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EP3701098B1 - Structural joint bridging device and method for producing a structural joint bridging device - Google Patents

Structural joint bridging device and method for producing a structural joint bridging device Download PDF

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Publication number
EP3701098B1
EP3701098B1 EP18807948.7A EP18807948A EP3701098B1 EP 3701098 B1 EP3701098 B1 EP 3701098B1 EP 18807948 A EP18807948 A EP 18807948A EP 3701098 B1 EP3701098 B1 EP 3701098B1
Authority
EP
European Patent Office
Prior art keywords
bridging device
holding portion
sealing profile
recess
joint bridging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18807948.7A
Other languages
German (de)
French (fr)
Other versions
EP3701098A1 (en
Inventor
Daniel Rill
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maurer Engineering GmbH
Original Assignee
Maurer Engineering GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maurer Engineering GmbH filed Critical Maurer Engineering GmbH
Priority to SI201830596T priority Critical patent/SI3701098T1/en
Priority to PL18807948T priority patent/PL3701098T3/en
Priority to HRP20220398TT priority patent/HRP20220398T1/en
Priority to RS20220234A priority patent/RS62994B1/en
Publication of EP3701098A1 publication Critical patent/EP3701098A1/en
Application granted granted Critical
Publication of EP3701098B1 publication Critical patent/EP3701098B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/06—Arrangement, construction or bridging of expansion joints
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6806—Waterstops
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
    • E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
    • E01C11/12—Packing of metal and plastic or elastic materials
    • E01C11/126—Joints with only metal and prefabricated packing or filling
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/681—Sealings of joints, e.g. expansion joints for free moving parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B2001/6818—Joints with swellable parts

Definitions

  • the present invention relates to a structural joint bridging device.
  • the invention also relates to the use of a joint sealing profile in a structural joint bridging device with such a joint sealing profile.
  • the invention also relates to a method for producing a structural joint bridging device.
  • joint sealing profiles have been known for a long time and are used in different embodiments in various areas of application, for example for sealing road junctions or sidewalk junctions in bridges or in general for joints between structural parts.
  • the tight contact between the joint sealing profile and the structural joint bridging device is important for fulfilling the sealing function.
  • this contact takes place via holding areas, such as thickened edges, which are formed on the joint sealing profile and which engage in recesses provided for this purpose on carriers of the respective attached building joint bridging device.
  • the contact is created between the outer surface of the holding area and the inner surface of the recess.
  • a holding area is to be understood quite generally to mean an area that is suitable for holding the joint sealing profile in position in a form-fitting and / or force-fitting manner.
  • the tightness of the connection between the joint sealing profile and the bridging device depends on the extent to which the holding areas are clamped in the recesses provided. This is influenced by the contact surface and the surface force that are generated on the active surface pair of holding area outer surface and recess inner surface. The more a holding area is clamped in the recess, the greater the sealing effect. With conventional joint sealing profiles, an attempt is therefore made to maximize the deformation of the holding area when installed. For this purpose, parts of the holding area are made thicker than the empty space available in the recess.
  • the disadvantage here is that the installation and removal of the holding area in the recess provided is made more difficult in proportion to the deformation, since precisely this deformation has to be applied mechanically during installation and removal. In particular in the case of the usually narrow and only partially accessible recesses in the supports of the bridging device, this can lead to a considerable outlay on assembly.
  • the BE 1 014 719 A3 discloses a structural joint bridging device according to the preamble of claim 1.
  • the object is achieved according to the device initially with a joint sealing profile of a structural joint bridging device according to claim 1.
  • the structural joint bridging device is characterized in that the holding area has, at least in sections, a composition of matter which can be activated in a targeted manner by chemical, thermal and / or physical exposure in such a way that the volume of the holding area changes.
  • the invention is therefore based on the knowledge that the previously customary thickening of the holding area does not have to be formed continuously. Rather, it is sufficient if this volume is only created in a targeted manner when the joint sealing profile has been introduced into the relevant recess or the thickening can be specifically removed for removal.
  • This has the decisive advantage that the shape of the holding area can be designed to be significantly more free from assembly boundary conditions (such as the opening cross-section of the recess, accessibility of the joint with tools, ergonomics, etc.).
  • this has the advantage that the seal associated with the change in volume can be activated or deactivated in a targeted manner at any point in time. This activation can generally take place passively or actively, once or several times and, if necessary, gradually or in steps increasing or decreasing.
  • a composition of matter can be understood to mean an individual substance, a mixture of substances, a substance storage, an accumulation of substances or a chemical combination of several substances. In the broadest sense, exposure is to be understood as bringing the composition of matter into contact with or within the effective range of the application means.
  • the chemical application should be understood quite generally as bringing about and / or accelerating a chemical reaction, in particular as adding a reactant or a catalyst. This can have different states of aggregation and be present as a chemical element, as a substance or as a mixture of substances.
  • the addition can take place using various transport processes, for example by means of a fluid-mechanical or mechanical material flow or by means of diffusion processes.
  • the term "thermal exposure” should be understood as the flow of heat into the composition of matter. Nevertheless, this expression also includes a heat flow out of the composition of matter.
  • the expression "physical exposure” is intended to describe any kind of physical action such as material or non-material impact. A material exposure is to be understood in the broadest sense as the addition of material that changes the volume of the holding area through its presence.
  • Particle radiation is also included. Pressure waves, sound waves and the like are also included. Non-material impacts, such as energetic, field-based or wave / particle-shaped, are also conceivable Charges. Examples include magnetic fields, electric fields, electric waves, light waves, and other energy flows.
  • the phrase “in order to change the volume” does not necessarily presuppose that an externally perceptible change in volume of the holding area takes place in the installed state. Under certain circumstances, in the actual installation situation, the outer surface of the holding area can already lie completely against the inner surface of the recess, which rules out a volumetric change in the holding area.
  • the change in volume of the holding area due to activation is expediently determined in such a case in the dismantled state.
  • the change in volume is an increase in volume. This has the advantage that the holding area forms a form-fitting connection in the activated state, since the recess has a corresponding undercut, for example in the form of a recessed step or claw. This will secure the holding area in the recess.
  • the change in volume is at least partially reversible.
  • This reversal of the change in volume can be brought about, for example, on the basis of a renewed activation, which then reverses the change in volume of the holding area.
  • the reversal can take place due to the fact that the application is interrupted. The latter can be the case, for example, if the application of an electric field or an energy flow is necessary to change the volume. If the electric field is removed or the flow of energy is interrupted, the change in volume also recedes.
  • the joint sealing profile can consequently be removed more easily as soon as the change in volume has receded by a certain amount.
  • composition of matter arranged in the holding area expediently has a material which can be swelled by a liquid, so that the application can be effected by means of such a liquid.
  • the advantage here is that a liquid can easily be applied and, for example, even in tight installation situations, can reach the areas to be acted upon due to capillary forces.
  • a liquid can easily escape from shrinking cavities between the holding area and the recess, so that any residues of the application means can be largely avoided.
  • the swellable material has a mineral and / or a water-swellable polymer.
  • the application takes place with water or a water-containing liquid.
  • the decisive advantage here is that the sealing effect of the joint sealing profile against water, such as rainwater, can be activated or reinforced by this medium itself. It is also advantageous that water has particularly good flow and wetting properties, which makes it easier to act on the holding area.
  • the swellable material advantageously has a granulate which has a superabsorbent based on polyacrylic acid and an elastomeric carrier material.
  • superabsorbent is understood to mean a particularly absorbent composition of matter.
  • the granules can be mixed with the elastomeric carrier material.
  • the composite of superabsorbent and carrier material has the advantage that an optimal mix can be produced that meets both structural material requirements, for example compressive strength, mechanical resistance and / or chemical stability, as well as swellability-related material requirements.
  • the composition of matter comprises a material which increases its volume when exposed to a chemical, so that the application can be carried out by means of such a chemical.
  • This can be advantageous if accidental or unintentional activation to increase the volume of the holding area is to be avoided.
  • the activation can be understood as encrypted in the sense that it only occurs when the correct chemical is applied to the holding area. This can reduce the risk of unauthorized activation or deactivation. This can also prevent unwanted environmental influences from activating the holding area.
  • the composition of matter can have a prepolymer so that the application can take place by means of water, the prepolymer being designed to release CO 2 as a function of the swelling.
  • the prepolymer is initially sealed airtight in the holding area of the joint sealing profile.
  • the prepolymer can be activated by exposing it to ambient air, for example by breaking the seal, and thereby coming into contact with water.
  • the prepolymer reacts with water to form a stable foam with a significant and permanent increase in volume.
  • the fully developed foam is largely resistant to environmental influences. Water can be acted upon in the gaseous state of aggregation, and / or in the liquid state of aggregation in the form of liquid water or water droplets, and / or in the solid state of aggregation.
  • the material composition has a field-affine material, so that the application can take place by applying a field.
  • field affinity should be understood quite generally in such a way that the material has the property of being influenced by the said field in a way that can bring about a change in volume of the holding area.
  • the material can have ferromagnetic properties and the field can be a magnetic field. When a magnetic field is applied, the position or the distribution of the material in the holding area can change, whereby the volume of the same can be changed.
  • the magnetic field can be induced electrically or magnetically.
  • the field can be an electric field which, when applied, changes the electric charge of the field-affine material, whereupon it is influenced in such a way that that a change in volume of the holding area is caused.
  • a field-based activation in connection with a field-affine material has the advantage that the field-affine material can be present in the holding area of the joint sealing profile without material exchange with the environment. The application itself is then best carried out via energy flows.
  • Another advantage is the ability to flexibly switch the application on and off and adjust its intensity to the desired level. This is particularly advantageous for temporary sealing applications that only need to seal for a certain period of time.
  • the object of the invention is further achieved by means of the use of a joint sealing profile in a structural joint bridging device according to the invention according to claim 10.
  • the carrier is expediently designed as a profile. It is used to connect the bridging device or the profile to the structure.
  • the respective carrier itself is anchored in the associated structure by means of an anchor structure.
  • the holding area is designed in such a way that when it is acted upon chemically, thermally and / or physically, it forms an adjacent contact with the corresponding recess (A).
  • Advantages that result from such an abutting contact are on the one hand the resulting adhesion of the bodies to one another and on the other hand that a sealing effect is also produced at each abutting contact.
  • the holding area After being acted upon by the corresponding recess, the holding area forms a form-fitting component connection.
  • the recess has an undercut, into which the holding area extends in the installed state after being acted upon.
  • the holding area forms a non-positive component connection after being acted upon by the corresponding recess.
  • the object on which the invention is based is further achieved with a method for producing a structural joint bridging device according to claim 11, the composition of matter in the holding area in the profile is introduced.
  • the profile can be produced, for example, by means of coextrusion.
  • a profile can have a cavity in the holding area, into which the material composition is introduced. It is advantageous that the manufacturing method of a joint sealing profile according to the invention is then largely identical to the manufacturing method of a conventional joint sealing profile. Chemically, thermally and / or physically activatable compositions of matter could then only be introduced into the otherwise conventionally produced profile in a subsequent process step.
  • At least part of the holding area is manufactured with the composition of matter as a separate component and as such is connected to the profile in a separate process step.
  • This also includes a method in which the material in the holding area, or the holding area as such, is removed and a further component, which contains or embodies the composition of matter, is connected to the joint sealing profile.
  • the separate component is vulcanized onto the profile.
  • One advantage of vulcanization is the resilient connection between the vulcanized components.
  • the joint sealing profile is inserted into the recess and the holding area is acted upon chemically, thermally and / or physically in such a way that its volume increases.
  • the change in volume of the holding area necessary for the functional fulfillment of the structural joint bridging device is activated with a time delay, namely only after the joint sealing profile has been installed.
  • it can be installed in an ergonomically advantageous manner without any special expenditure of force.
  • the change in volume in the holding area can be designed completely independently of the gap dimensions available for installation.
  • the object on which the invention is based is achieved with a method for dismantling a structural joint bridging device with a joint sealing profile according to claim 15, the chemical, thermal and / or physical loading of the holding area of the joint sealing profile inserted into the recess being changed in such a way that the volume of the holding area changes reduced.
  • the reduction in volume of the holding area has the advantage that the joint sealing profile can be removed again without any special effort.
  • the term "changed" in this context means an intended change in the admission. This can mean, for example, the interruption or weakening of a constant exposure. Otherwise, this can also be the application of a new substance to the joint sealing profile, which causes the holding area of the joint sealing profile to reduce its volume.
  • the structural joint bridging device 10 shown serves to bridge or seal a joint F located between two structural parts.
  • the structural joint bridging device 10 has a joint sealing profile 1 extending over the joint F.
  • the joint sealing profile 1 for its part has a left holding area 2 and a right holding area 3.
  • the left holding area 2 is inserted into a left carrier 11 of the building joint bridging device 10 and correspondingly the right holding area 3 is inserted into a right carrier 12 of the building joint bridging device 10.
  • the left support 11 and the right support 12 are each firmly connected to the associated left component 13 and the right component 14.
  • the building joint bridging device 10 in the embodiment shown has an anchor structure K on each side of the joint F, via which the respective carrier is anchored to the building.
  • FIG. 11 shows an enlarged portion of FIG Fig. 1 building joint bridging device 10 shown, namely the right holding area 3 of the joint sealing profile 1 as it is in engagement with the right support 12 of the building joint bridging device 10.
  • the holding area has a composition of matter 4 which is in an activated state.
  • the composition of matter is designed in such a way that its volume and thus also the volume of the right holding area 3 increases after activation.
  • the right holding area 3 hugs the inner wall of the recess A of the right support 12 almost over its entire surface.
  • the substance composition is dosed in such a way that the holding area 3 would expand significantly beyond the volume available in the recess A in a non-built-in situation after activation.
  • Fig. 3 is the same sub-area of the structural joint bridging device as in Fig. 2 shown, but here the composition of matter 4 is in a non-activated state. So this is the situation when introducing the profile in the recess A of the carrier 12 or when Remove. It can be seen that the right holding area 3, in contrast to the activated state, has a smaller cross section, which means that the holding area can easily be inserted into or removed from the opening of the recess. When inserting or removing the holding area 3 into the recess A, the holding area only has to be deformed slightly or, if necessary, not at all. After activation, however, the holding area 3 is held in the recess A in both a frictional and form-locking manner in the recess A, since after the holding area has been activated, it produces a claw-like undercut.
  • the shown second embodiment of the joint sealing profile according to the invention has a left holding area 2 and a right holding area 3, with a shape that is adapted to the shape of the recess in the carrier, see FIG Figures 1 to 3 .
  • the activatable composition of matter 4 is also arranged in the holding areas 2 and 3.
  • the figure shown is the shape of the holding area after activation of the composition 4 on the right holding area 3 indicated by dashed lines.
  • the composition of matter 4 on the left holding area 3 is shown in the non-activated state.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Road Paving Structures (AREA)
  • Sealing Material Composition (AREA)
  • Building Environments (AREA)
  • Bridges Or Land Bridges (AREA)
  • Forging (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Gasket Seals (AREA)

Description

Die vorliegende Erfindung betrifft eine Bauwerksfugenüberbrückungsvorrichtung. Ferner betrifft die Erfindung die Verwendung eines Fugendichtprofils in einer Bauwerksfugenüberbrückungsvorrichtung mit einem solchen Fugendichtprofil. Des Weiteren betrifft die Erfindung ein Verfahren zum Herstellen einer Bauwerkfugenüberbrückungsvorrichtung.The present invention relates to a structural joint bridging device. The invention also relates to the use of a joint sealing profile in a structural joint bridging device with such a joint sealing profile. The invention also relates to a method for producing a structural joint bridging device.

Derartige Fugendichtprofile sind grundsätzlich seit Langem bekannt und werden in unterschiedlichen Ausführungsformen in verschiedenen Anwendungsbereichen eingesetzt, etwa zum Abdichten von Fahrbahnübergängen bzw. Gehwegübergängen bei Brücken oder ganz allgemein bei Fugen zwischen Bauwerksteilen. Gerade wenn Spalten zwischen Bauwerkskörpern gegen Feuchtigkeitseintritt und/oder gegen Eintritt von Schmutz abgedichtet werden sollen, ist für die Erfüllung der Dichtfunktion dabei möglichst der dichte Kontakt zwischen dem Fugendichtprofil und der Bauwerksfugenüberbrückungsvorrichtung von Bedeutung. In der Regel erfolgt dieser Kontakt über Haltebereiche, wie etwa verdickte Ränder, die am Fugendichtprofil ausgebildet sind und die in dafür vorgesehene Aussparungen an Trägern der jeweiligen angebrachten Bauwerksfugenüberbrückungsvorrichtung eingreifen. Der Kontakt entsteht dabei zwischen der Außenfläche des Haltebereichs und der Innenfläche der Aussparung. Mit Haltebereich ist dabei ganz allgemein ein Bereich zu verstehen, der geeignet ist, das Fugendichtprofil form- und/oder kraftschlüssig in Position zu halten.Such joint sealing profiles have been known for a long time and are used in different embodiments in various areas of application, for example for sealing road junctions or sidewalk junctions in bridges or in general for joints between structural parts. Especially when gaps between structures are to be sealed against the ingress of moisture and / or against the ingress of dirt, the tight contact between the joint sealing profile and the structural joint bridging device is important for fulfilling the sealing function. As a rule, this contact takes place via holding areas, such as thickened edges, which are formed on the joint sealing profile and which engage in recesses provided for this purpose on carriers of the respective attached building joint bridging device. The contact is created between the outer surface of the holding area and the inner surface of the recess. A holding area is to be understood quite generally to mean an area that is suitable for holding the joint sealing profile in position in a form-fitting and / or force-fitting manner.

Die Dichtigkeit der Verbindung des Fugendichtprofils mit der Überbrückungsvorrichtung hängt dabei von dem Ausmaß der Klemmung der Haltebereiche in den vorgesehenen Aussparungen ab. Diese wird von der Auflagefläche und der Flächenkraft beeinflusst, die an dem Wirkflächenpaar Haltebereich-Außenfläche und Aussparung-Innenfläche erzeugt werden. Je stärker ein Haltebereich in der Aussparung eingeklemmt wird, desto größer ist die Dichtwirkung. Bei herkömmlichen Fugendichtprofilen wird daher versucht, die Verformung des Haltebereichs im eingebauten Zustand zu maximieren. Hierfür werden Teile des Haltebereichs dicker ausgebildet, als Leerraum in der Aussparung zur Verfügung steht. Nachteilig ist hierbei jedoch, dass sich der Ein- und Ausbau des Haltebereichs in die vorgesehene Aussparung proportional zur Verformung erschwert, da eben diese Verformung während des Ein- und Ausbaus mechanisch aufgebracht werden muss. Dies kann insbesondere bei den üblicherweise engen und nur eingeschränkt zugänglichen Aussparungen in den Trägern der Überbrückungsvorrichtung zu einem erheblichen Montageaufwand führen.The tightness of the connection between the joint sealing profile and the bridging device depends on the extent to which the holding areas are clamped in the recesses provided. This is influenced by the contact surface and the surface force that are generated on the active surface pair of holding area outer surface and recess inner surface. The more a holding area is clamped in the recess, the greater the sealing effect. With conventional joint sealing profiles, an attempt is therefore made to maximize the deformation of the holding area when installed. For this purpose, parts of the holding area are made thicker than the empty space available in the recess. The disadvantage here, however, is that the installation and removal of the holding area in the recess provided is made more difficult in proportion to the deformation, since precisely this deformation has to be applied mechanically during installation and removal. In particular in the case of the usually narrow and only partially accessible recesses in the supports of the bridging device, this can lead to a considerable outlay on assembly.

Die BE 1 014 719 A3 offenbart eine Bauwerksfugenüberbrückungsvorrichtung gemäß dem Oberbegriff des Anspruchs 1.the BE 1 014 719 A3 discloses a structural joint bridging device according to the preamble of claim 1.

Vor diesem Hintergrund ist es Aufgabe der vorliegenden Erfindung, ein Fugendichtprofil aufzuzeigen das bei gleichbleibender oder sogar verbesserter Dichtigkeit leichter in einer Überbrückungsvorrichtung montiert werden kann.Against this background, it is the object of the present invention to provide a joint sealing profile which can be more easily installed in a bridging device with the same or even improved tightness.

Die Lösung der Aufgabe gelingt vorrichtungsgemäß zunächst mit einem Fugendichtprofil einer Bauwerksfugenüberbrückungsvorrichtung gemäß Anspruch 1.The object is achieved according to the device initially with a joint sealing profile of a structural joint bridging device according to claim 1.

Die erfindungsgemäße Bauwerksfugenüberbrückungsvorrichtung zeichnet sich dadurch aus, dass der Haltebereich zumindest abschnittsweise eine Stoffzusammensetzung aufweist, die durch eine chemische, thermische und/oder physikalische Beaufschlagung gezielt so aktiviert werden kann, dass sich das Volumen des Haltebereichs verändert.The structural joint bridging device according to the invention is characterized in that the holding area has, at least in sections, a composition of matter which can be activated in a targeted manner by chemical, thermal and / or physical exposure in such a way that the volume of the holding area changes.

Die Erfindung beruht also auf der Erkenntnis, dass die bislang übliche Verdickung des Haltebereichs nicht ständig ausgebildet sein muss. Vielmehr reicht es, wenn dieses Volumen gezielt erst dann entsteht, wenn das Fugendichtprofil in die betreffende Aussparung eingebracht ist bzw. sich die Verdickung zum Ausbau gezielt aufheben lässt. Dies hat den entscheidenden Vorteil, dass die Formgebung des Haltebereichs deutlich freier von Montagerandbedingungen (wie etwa Öffnungsquerschnitt der Aussparung, Zugänglichkeit der Fuge mit Werkzeug, Ergonomie usw.) ausgelegt werden kann. Ferner hat dies den Vorteil, dass die mit der Volumenänderung einhergehende Dichtung zu einem beliebigen Zeitpunkt gezielt aktiviert bzw. deaktiviert werden kann. Diese Aktivierung kann generell passiv oder aktiv, einmalig oder mehrmalig und gegebenenfalls allmählich oder in Schritten zunehmend oder abnehmend erfolgen. Dabei kann unter Stoffzusammensetzung ein Einzelstoff, ein Stoffgemisch, eine Stoffeinlagerung, eine Stoffansammlung oder eine chemischen Verbindung mehrerer Stoffe verstanden werden. Unter Beaufschlagung soll im weitesten Sinne ein in-Kontakt-bringen beziehungsweise ein in den Wirkungsbereich bringen der Stoffzusammensetzung mit dem Beaufschlagungsmittel verstanden werden.The invention is therefore based on the knowledge that the previously customary thickening of the holding area does not have to be formed continuously. Rather, it is sufficient if this volume is only created in a targeted manner when the joint sealing profile has been introduced into the relevant recess or the thickening can be specifically removed for removal. This has the decisive advantage that the shape of the holding area can be designed to be significantly more free from assembly boundary conditions (such as the opening cross-section of the recess, accessibility of the joint with tools, ergonomics, etc.). Furthermore, this has the advantage that the seal associated with the change in volume can be activated or deactivated in a targeted manner at any point in time. This activation can generally take place passively or actively, once or several times and, if necessary, gradually or in steps increasing or decreasing. A composition of matter can be understood to mean an individual substance, a mixture of substances, a substance storage, an accumulation of substances or a chemical combination of several substances. In the broadest sense, exposure is to be understood as bringing the composition of matter into contact with or within the effective range of the application means.

Dabei soll die chemische Beaufschlagung ganz allgemein als die Herbeiführung und/oder als das Beschleunigen einer chemischen Reaktion verstanden werden, insbesondere als die Hinzugabe eines Reaktanden oder eines Katalysators. Dieser kann verschiedene Aggregatzustände haben und als chemisches Element, als ein Stoff oder als ein Stoffgemenge vorliegen. Die Hinzugabe kann anhand verschiedener Transportprozesse erfolgen, beispielsweise mittels eines fluidmechanischen oder mechanischen Stoffflusses oder mittels Diffusionsprozesse. Der Ausdruck "thermische Beaufschlagung" soll als Wärmestrom in die Stoffzusammensetzung verstanden werden. Gleichwohl umfasst dieser Ausdruck auch einen Wärmestrom aus der Stoffzusammensetzung heraus. Der Ausdruck "physikalische Beaufschlagung" soll eine irgendwie geartete physikalische Einwirkung wie etwa eine stoffliche als auch nicht stoffliche Beaufschlagungen beschreiben. Eine stoffliche Beaufschlagung ist im weitesten Sinne als das Hinzufügen von Material, das durch seine Anwesenheit das Volumen des Haltebereichs verändert, zu verstehen. Ebenfalls umfasst ist Teilchenstrahlung. Auch umfasst sind Druckwellen, Schallwellen und dergleichen. Denkbar sind aber auch nicht stoffliche Beaufschlagungen wie etwa energetische, feldbasierte oder Welle/Teilchen-förmige Beaufschlagungen. Beispiele hierfür umfassen Magnetfelder, elektrische Felder, elektrische Wellen, Lichtwellen und andere Energieströme.The chemical application should be understood quite generally as bringing about and / or accelerating a chemical reaction, in particular as adding a reactant or a catalyst. This can have different states of aggregation and be present as a chemical element, as a substance or as a mixture of substances. The addition can take place using various transport processes, for example by means of a fluid-mechanical or mechanical material flow or by means of diffusion processes. The term "thermal exposure" should be understood as the flow of heat into the composition of matter. Nevertheless, this expression also includes a heat flow out of the composition of matter. The expression "physical exposure" is intended to describe any kind of physical action such as material or non-material impact. A material exposure is to be understood in the broadest sense as the addition of material that changes the volume of the holding area through its presence. Particle radiation is also included. Pressure waves, sound waves and the like are also included. Non-material impacts, such as energetic, field-based or wave / particle-shaped, are also conceivable Charges. Examples include magnetic fields, electric fields, electric waves, light waves, and other energy flows.

Die Formulierung "um das Volumen zu ändern" setzt nicht zwangsläufig voraus, dass im eingebauten Zustand eine äußerlich wahrnehmbare Volumenänderung des Haltebereichs stattfindet. Unter Umständen kann in der tatsächlichen Einbausituation die Außenfläche des Haltebereichs bereits vollständig an der Innenfläche der Aussparung anliegen, was eine volumetrische Änderung des Haltebereichs ausschließt. Die Volumenänderung des Haltebereichs durch Aktivierung wird in einem solchen Fall zweckmäßigerweise im demontierten Zustand festgestellt.The phrase “in order to change the volume” does not necessarily presuppose that an externally perceptible change in volume of the holding area takes place in the installed state. Under certain circumstances, in the actual installation situation, the outer surface of the holding area can already lie completely against the inner surface of the recess, which rules out a volumetric change in the holding area. The change in volume of the holding area due to activation is expediently determined in such a case in the dismantled state.

Die Volumenänderung ist eine Volumenvergrößerung. Dies hat den Vorteil, dass der Haltebereich im aktivierten Zustand eine formschlüssige Verbindung ausbildet, da die Aussparung einen entsprechenden Hinterschnitt, etwa in Gestalt einer rückspringenden Stufe oder Klaue aufweist. Dadurch wird der Haltebereich in der Aussparung gesichert.The change in volume is an increase in volume. This has the advantage that the holding area forms a form-fitting connection in the activated state, since the recess has a corresponding undercut, for example in the form of a recessed step or claw. This will secure the holding area in the recess.

Dabei ist es dienlich, wenn die Volumenänderung zumindest teilweise reversibel ist. Diese Umkehrung der Volumenänderung kann beispielsweise aufgrund einer erneuten Aktivierung, die dann die Volumenänderung des Haltebereichs rückgängig macht, hervorgerufen werden. Alternativ kann die Umkehrung aufgrund dessen erfolgen, dass die Beaufschlagung unterbrochen wird. Letzteres kann etwa der Fall sein, wenn zur Volumenänderung das Anlegen eines elektrischen Felds oder eines Energieflusses notwendig ist. Wird das elektrische Feld entfernt oder der Energiefluss unterbrochen, weicht auch die Volumenänderung zurück. Das Fugendichtprofil kann folglich leichter entnommen werden, sobald die Volumenänderung um ein bestimmtes Maß zurückgewichen ist.It is useful if the change in volume is at least partially reversible. This reversal of the change in volume can be brought about, for example, on the basis of a renewed activation, which then reverses the change in volume of the holding area. Alternatively, the reversal can take place due to the fact that the application is interrupted. The latter can be the case, for example, if the application of an electric field or an energy flow is necessary to change the volume. If the electric field is removed or the flow of energy is interrupted, the change in volume also recedes. The joint sealing profile can consequently be removed more easily as soon as the change in volume has receded by a certain amount.

Zweckmäßigerweise weist die im Haltebereich angeordnete Stoffzusammensetzung einen durch eine Flüssigkeit quellbaren Werkstoff auf, sodass die Beaufschlagung mittels einer solchen Flüssigkeit erfolgen kann. Vorteilhaft ist hierbei, dass eine Flüssigkeit leicht aufgetragen werden kann und zum Beispiel selbst bei engen Einbausituationen aufgrund von Kapillarkräften zu den zu beaufschlagenden Bereichen gelangen kann. Zudem kann eine Flüssigkeit während der Volumenänderung des Haltebereichs gut aus schwindenden Hohlräumen zwischen dem Haltebereich und der Aussparung entweichen, wodurch etwaige Rückstände des Beaufschlagungsmittels weitestgehend vermieden werden können.The composition of matter arranged in the holding area expediently has a material which can be swelled by a liquid, so that the application can be effected by means of such a liquid. The advantage here is that a liquid can easily be applied and, for example, even in tight installation situations, can reach the areas to be acted upon due to capillary forces. In addition, during the change in volume of the holding area, a liquid can easily escape from shrinking cavities between the holding area and the recess, so that any residues of the application means can be largely avoided.

Weiterbildend weist der quellbare Werkstoff ein Mineral und/oder ein wasserquellfähiges Polymer auf. Die Beaufschlagung erfolgt dabei mit Wasser oder einer wasserenthaltenden Flüssigkeit. Der entscheidende Vorteil ist hierbei, dass Dichtwirkung des Fugendichtprofils gegen Wasser, wie etwa Regenwasser, von diesem Medium selbst aktiviert bzw. verstärkt werden kann. Vorteilhaft ist auch, dass Wasser besonders gute Fließ- und Benetzungseigenschaften aufweist, was die Beaufschlagung des Haltebereichs erleichtert.In a further development, the swellable material has a mineral and / or a water-swellable polymer. The application takes place with water or a water-containing liquid. The decisive advantage here is that the sealing effect of the joint sealing profile against water, such as rainwater, can be activated or reinforced by this medium itself. It is also advantageous that water has particularly good flow and wetting properties, which makes it easier to act on the holding area.

Vorteilhafterweise weist der quellbare Werkstoff ein Granulat auf, das einen Superabsorber auf Polyacrylsäure-Basis sowie ein elastomeres Trägermaterial aufweist. Unter dem Begriff Superabsorber wird eine besonders absorptionsfähige Stoffzusammensetzung verstanden. Das Granulat kann dem elastomeren Trägermaterial beigemischt sein. Der Verbund aus Superabsorber und Trägermaterial hat den Vorteil, dass so ein optimaler Mix hergestellt werden kann, der sowohl strukturelle Werkstoffanforderungen, beispielsweise Druckfestigkeit, mechanische Widerstandsfähigkeit und/oder chemische Stabilität, als auch Quellfähigkeits-bezogene Werkstoffanforderungen erfüllt.The swellable material advantageously has a granulate which has a superabsorbent based on polyacrylic acid and an elastomeric carrier material. The term superabsorbent is understood to mean a particularly absorbent composition of matter. The granules can be mixed with the elastomeric carrier material. The composite of superabsorbent and carrier material has the advantage that an optimal mix can be produced that meets both structural material requirements, for example compressive strength, mechanical resistance and / or chemical stability, as well as swellability-related material requirements.

Ferner kann es vorteilhaft sein, wenn die Stoffzusammensetzung einen Werkstoff aufweist, der durch Beaufschlagung mit einer Chemikalie sein Volumen vergrößert, sodass die Beaufschlagung mittels einer solchen Chemikalie erfolgen kann. Dies kann vorteilhaft sein, wenn eine versehentliche oder ungewollte Aktivierung zur Volumenvergrößerung des Haltebereichs vermieden werden soll. In diesem Fall kann die Aktivierung in dem Sinne als verschlüsselt aufgefasst werden, als sie nur unter Beaufschlagung des Haltebereichs mit der richtigen Chemikalie eintritt. So kann die Gefahr einer nicht autorisierten Aktivierung oder Deaktivierung reduziert werden. Auch kann dadurch vermieden werden, dass ungewollte Umwelteinflüsse eine Aktivierung des Haltebereichs verursachen.Furthermore, it can be advantageous if the composition of matter comprises a material which increases its volume when exposed to a chemical, so that the application can be carried out by means of such a chemical. This can be advantageous if accidental or unintentional activation to increase the volume of the holding area is to be avoided. In this case, the activation can be understood as encrypted in the sense that it only occurs when the correct chemical is applied to the holding area. This can reduce the risk of unauthorized activation or deactivation. This can also prevent unwanted environmental influences from activating the holding area.

Weiterbildend kann die Stoffzusammensetzung ein Prepolymer aufweisen, sodass die Beaufschlagung mittels Wasser erfolgen kann, wobei das Prepolymer ausgebildet ist, in Abhängigkeit der Quellung CO2 freizusetzen. Idealerweise liegt hierbei das Prepolymer zunächst luftdicht versiegelt im Haltebereich des Fugendichtprofils vor. Das Prepolymer kann aktiviert werden, indem es mit Umgebungsluft beaufschlagt wird, beispielsweise durch Brechen der Versiegelung, und dadurch in Kontakt mit Wasser kommt. Wie dies aus dem Fachbereich der Montageschäume gut bekannt ist, reagiert das Prepolymer mit Wasser unter Ausbildung eines stabilen Schaums bei einer deutlichen und dauerhaften Volumenzunahme. Der fertig entwickelte Schaum ist gegenüber Umwelteinflüssen weitgehend resistent. Wasser kann dabei in gasförmigem Aggregatzustand beaufschlagt werden, und/oder im flüssigen Aggregatzustand in Form von flüssigem Wasser oder Wassertröpfchen, und/oder im festen Aggregatzustand.In a further development, the composition of matter can have a prepolymer so that the application can take place by means of water, the prepolymer being designed to release CO 2 as a function of the swelling. Ideally, the prepolymer is initially sealed airtight in the holding area of the joint sealing profile. The prepolymer can be activated by exposing it to ambient air, for example by breaking the seal, and thereby coming into contact with water. As is well known from the field of assembly foams, the prepolymer reacts with water to form a stable foam with a significant and permanent increase in volume. The fully developed foam is largely resistant to environmental influences. Water can be acted upon in the gaseous state of aggregation, and / or in the liquid state of aggregation in the form of liquid water or water droplets, and / or in the solid state of aggregation.

Weiterhin kann es vorteilhaft sein, wenn die Stoffzusammensetzung einen Feld-affinen Werkstoff aufweist, so dass die Beaufschlagung durch Aufbringen eines Felds erfolgen kann. Der Begriff "Feldaffin" soll ganz allgemein so verstanden werden, dass der Werkstoff die Eigenschaft hat, von dem besagten Feld auf eine Art und Weise beeinflusst zu werden, die eine Volumenänderung des Haltebereichs bewirken kann. Beispielsweise kann der Werkstoff ferromagnetische Eigenschaften haben und das Feld kann ein Magnetfeld sein. Wenn ein Magnetfeld anliegt, kann sich die Position oder die Verteilung des Werkstoffs in dem Haltebereich verändern, wodurch das Volumen desselben verändert werden kann. Dabei kann das Magnetfeld elektrisch oder magnetisch induziert sein. Alternativ und/oder zusätzlich kann das Feld ein elektrisches Feld sein, welches bei Beaufschlagung die elektrische Ladung des Feld-affinen Werkstoffs verändert, woraufhin dieser derart beeinflusst wird, dass eine Volumenänderung des Haltebereichs verursacht wird. Eine solche Feld-basierte Aktivierung in Verbindung mit einem Feld-affinen Werkstoff hat den Vorteil, dass der Feld-affine Werkstoff ohne Stoffaustausch mit der Umgebung in dem Haltebereich des Fugendichtprofils vorliegen kann. Die Beaufschlagung selbst erfolgt dabei dann am besten über Energieströme. Ein weiterer Vorteil ist die Möglichkeit, die Beaufschlagung flexibel an- und ausschalten zu können und deren Intensität auf das gewünschte Maß einstellen zu können. Dies ist insbesondere bei temporären Dichtungsanwendungen von Vorteil, die nur für einen bestimmten Zeitraum dichten müssen.Furthermore, it can be advantageous if the material composition has a field-affine material, so that the application can take place by applying a field. The term “field affinity” should be understood quite generally in such a way that the material has the property of being influenced by the said field in a way that can bring about a change in volume of the holding area. For example, the material can have ferromagnetic properties and the field can be a magnetic field. When a magnetic field is applied, the position or the distribution of the material in the holding area can change, whereby the volume of the same can be changed. The magnetic field can be induced electrically or magnetically. Alternatively and / or additionally, the field can be an electric field which, when applied, changes the electric charge of the field-affine material, whereupon it is influenced in such a way that that a change in volume of the holding area is caused. Such a field-based activation in connection with a field-affine material has the advantage that the field-affine material can be present in the holding area of the joint sealing profile without material exchange with the environment. The application itself is then best carried out via energy flows. Another advantage is the ability to flexibly switch the application on and off and adjust its intensity to the desired level. This is particularly advantageous for temporary sealing applications that only need to seal for a certain period of time.

Die Aufgabe der Erfindung wird des Weiteren mittels der Verwendung eines Fugendichtprofils in einer erfindungsgemäßen Bauwerksfugenüberbrückungsvorrichtung gemäß Anspruch 10 gelöst. Der Träger ist zweckmäßigerweise als Profil ausgebildet. Er dient der Verbindung der Überbrückungsvorrichtung bzw. des Profils mit dem Bauwerk. Üblicherweise ist der jeweilige Träger selbst in dem zugehörigen Bauwerkskörper mittels einer Ankerkonstruktion darin verankert.The object of the invention is further achieved by means of the use of a joint sealing profile in a structural joint bridging device according to the invention according to claim 10. The carrier is expediently designed as a profile. It is used to connect the bridging device or the profile to the structure. Usually, the respective carrier itself is anchored in the associated structure by means of an anchor structure.

Der Haltebereicht ist so ausgebildet, dass wenn dieser chemisch, thermisch und/oder physikalisch beaufschlagt wird, dieser mit der entsprechenden Aussparung (A) einen anliegenden Kontakt ausbildet. Vorteile, die sich aus einem solchen anliegenden Kontakt heraus ergeben sind zum einen die dadurch entstehende Haftung der Körper aneinander und zum anderen, dass an jedem anliegenden Kontakt auch eine Dichtwirkung erzeugt wird.The holding area is designed in such a way that when it is acted upon chemically, thermally and / or physically, it forms an adjacent contact with the corresponding recess (A). Advantages that result from such an abutting contact are on the one hand the resulting adhesion of the bodies to one another and on the other hand that a sealing effect is also produced at each abutting contact.

Der Haltebereich bildet nach Beaufschlagung mit der entsprechenden Aussparung eine formschlüssige Bauteilverbindung aus. Die Aussparung weist einen Hinterschnitt auf, in welchen sich der Haltebereich im eingebauten Zustand nach Beaufschlagung hineinerstreckt.After being acted upon by the corresponding recess, the holding area forms a form-fitting component connection. The recess has an undercut, into which the holding area extends in the installed state after being acted upon.

Zudem bildet der Haltebereich nach Beaufschlagung mit der entsprechenden Aussparung eine kraftschlüssige Bauteilverbindung aus.In addition, the holding area forms a non-positive component connection after being acted upon by the corresponding recess.

Ein Vorteil der kraftschlüssigen Verbindung ist die zusätzliche Dichtfunktion.An advantage of the force-fit connection is the additional sealing function.

Die der Erfindung zugrundeliegende Aufgabe wird des Weiteren mit einem Verfahren zum Herstellen einer Bauwerksfugenüberbrückungsvorrichtung gemäß Anspruch 11 gelöst, wobei die Stoffzusammensetzung im Haltebereich in das Profil eingebracht wird. Die Herstellung des Profils kann beispielweise mittels Koextrusion erfolgen. So kann ein Profil einen Hohlraum im Haltebereich aufweisen, in welchen die Stoffzusammensetzung eingebracht wird. Vorteilhaft ist dabei, dass das Herstellungsverfahren eines erfindungsgemäßen Fugendichtprofils dann zu einem großen Teil identisch ist mit dem Herstellungsverfahren eines herkömmlichen Fugendichtprofils. Chemisch, thermisch und/oder physikalisch aktivierbare Stoffzusammensetzungen könnten dann erst in einem nachgeschalteten Verfahrensschritt in das ansonsten herkömmlich hergestellte Profil eingebracht werden.The object on which the invention is based is further achieved with a method for producing a structural joint bridging device according to claim 11, the composition of matter in the holding area in the profile is introduced. The profile can be produced, for example, by means of coextrusion. Thus, a profile can have a cavity in the holding area, into which the material composition is introduced. It is advantageous that the manufacturing method of a joint sealing profile according to the invention is then largely identical to the manufacturing method of a conventional joint sealing profile. Chemically, thermally and / or physically activatable compositions of matter could then only be introduced into the otherwise conventionally produced profile in a subsequent process step.

Weiterbildend wird zumindest ein Teil des Haltebereichs mit der Stoffzusammensetzung als ein separates Bauteil gefertigt und als solches mit dem Profil in einem eigenen Verfahrensschritt verbunden. Dies schließt auch ein Verfahren mit ein, bei dem Material im Haltebereich, oder der Haltebereich als solcher, entfernt wird und ein weiteres Bauteil, das die Stoffzusammensetzung enthält oder diese verkörpert, mit dem Fugendichtprofil verbunden wird. Dies erlaubt eine einfache, kosten- und materialsparende Herstellung eines erfindungsgemäßen Fugendichtprofils.In a further development, at least part of the holding area is manufactured with the composition of matter as a separate component and as such is connected to the profile in a separate process step. This also includes a method in which the material in the holding area, or the holding area as such, is removed and a further component, which contains or embodies the composition of matter, is connected to the joint sealing profile. This allows a simple, cost-effective and material-saving production of a joint sealing profile according to the invention.

Weiterbildend kann es vorteilhaft sein, wenn das separate Bauteil auf das Profil aufvulkanisiert wird. Ein Vorteil der Aufvulkanisierung liegt in der widerstandsfähigen Bauteilverbindung der vulkanisierten Bauteile.In a further development, it can be advantageous if the separate component is vulcanized onto the profile. One advantage of vulcanization is the resilient connection between the vulcanized components.

Das Fugendichtprofil wird in die Aussparung eingesetzt und der Haltebereich wird chemisch, thermisch und/oder physikalisch so beaufschlagt, dass sich dessen Volumen vergrößert. Im Ergebnis wird dabei die für die Funktionserfüllung der Bauwerksfugenüberbrückungsvorrichtung notwendige Volumenänderung des Haltebereichs zeitverzögert aktiviert, nämlich erst nach dem Einbau des Fugendichtprofils. Dadurch kann dieses ohne besonderen Kraftaufwand und ergonomisch vorteilhaft montiert werden. Vorteilhaft ist auch, dass die Volumenänderung im Haltebereich gänzlich unabhängig von den für den Einbau zur Verfügung stehenden Spaltmaßen ausgelegt werden kann.The joint sealing profile is inserted into the recess and the holding area is acted upon chemically, thermally and / or physically in such a way that its volume increases. As a result, the change in volume of the holding area necessary for the functional fulfillment of the structural joint bridging device is activated with a time delay, namely only after the joint sealing profile has been installed. As a result, it can be installed in an ergonomically advantageous manner without any special expenditure of force. It is also advantageous that the change in volume in the holding area can be designed completely independently of the gap dimensions available for installation.

Ferner wird die der Erfindung zugrundeliegende Aufgabe mit einem Verfahren zum Abbauen einer Bauwerksfugenüberbrückungsvorrichtung mit einem Fugendichtprofil gemäß Anspruch 15 gelöst, wobei die chemische, thermische und/oder physikalische Beaufschlagung des Haltebereichs des in die Aussparung eingesetzten Fugendichtprofil so geändert wird, dass sich das Volumen des Haltebereichs reduziert. Analog zu den Ausführungen hinsichtlich des Einbaus des Fugendichtprofils hat die Volumenreduktion des Haltebereichs den Vorteil, dass das Fugendichtprofil ohne besonderen Kraftaufwand wieder entfernen lässt. Der Begriff "geändert" meint in diesem Zusammenhang eine beabsichtigte Änderung der Beaufschlagung. Dies kann beispielsweise die Unterbrechung oder Abschwächung einer konstant vorliegenden Beaufschlagung bedeuten. Andernfalls kann dies auch eine Beaufschlagung des Fugendichtprofils mit einem neuen Stoff sein, der den Haltebereich des Fugendichtprofils zu einer Volumenreduktion veranlasst.Furthermore, the object on which the invention is based is achieved with a method for dismantling a structural joint bridging device with a joint sealing profile according to claim 15, the chemical, thermal and / or physical loading of the holding area of the joint sealing profile inserted into the recess being changed in such a way that the volume of the holding area changes reduced. Analogous to the explanations regarding the installation of the joint sealing profile, the reduction in volume of the holding area has the advantage that the joint sealing profile can be removed again without any special effort. The term "changed" in this context means an intended change in the admission. This can mean, for example, the interruption or weakening of a constant exposure. Otherwise, this can also be the application of a new substance to the joint sealing profile, which causes the holding area of the joint sealing profile to reduce its volume.

Nachfolgend wird die Erfindung anhand zweier zeichnerisch dargestellter Ausführungsbeispiele näher erläutert. Darin zeigen schematisch:

Fig. 1
einen Querschnitt eines ersten Ausführungsbeispiels einer erfindungsgemäßen Bauwerksfugenüberbrückungsvorrichtung mit einem erfindungsgemäßen Fugendichtprofil;
Fig. 2
einen vergrößerten Ausschnitt des in Fig. 1 gezeigten Querschnitts im aktivierten Zustand;
Fig. 3
eine Teilansicht einer Bauwerksfugenüberbrückungsvorrichtung als Querschnittsansicht mit einem Fugendichtprofil gemäß einer ersten Ausführungsform im nicht aktivierten Zustand; und
Fig. 4
einen Querschnitt eines zweiten Ausführungsbeispiels eines erfindungsgemäßen Fugendichtprofils.
The invention is explained in more detail below with reference to two exemplary embodiments shown in the drawings. They show schematically:
Fig. 1
a cross section of a first embodiment of a structural joint bridging device according to the invention with a joint sealing profile according to the invention;
Fig. 2
an enlarged section of the in Fig. 1 cross section shown in the activated state;
Fig. 3
a partial view of a structural joint bridging device as a cross-sectional view with a joint sealing profile according to a first embodiment in the non-activated state; and
Fig. 4
a cross section of a second embodiment of a joint sealing profile according to the invention.

Die in Fig. 1 gezeigte Bauwerksfugenüberbrückungsvorrichtung 10 dient der Überbrückung bzw. Abdichtung einer sich zwischen zwei Bauwerksteilen befindlichen Fuge F. Hierzu weist die Bauwerksfugenüberbrückungsvorrichtung 10 ein sich über die Fuge F hinweg erstreckendes Fugendichtprofil 1 auf. Das Fugendichtprofil 1 hat seinerseits einen linken Haltebereich 2 und einen rechten Haltebereich 3. Gemäß der Abbildung in Fig. 1 ist der linke Haltebereich 2 in einen linken Träger 11 der Bauwerksfugenüberbrückungsvorrichtung 10 eingelegt und entsprechend ist der rechte Haltebereich 3 in einen rechten Träger 12 der Bauwerksfugenüberbrückungsvorrichtung 10 eingelegt. Der linke Träger 11 sowie der rechte Träger 12 sind jeweils mit der zugehörigen linken Bauteilkomponente 13 und der rechten Bauteilkomponente 14 fest verbunden. Hierzu weist die Bauwerksfugenüberbrückungsvorrichtung 10 in dem gezeigten Ausführungsbeispiel auf jeder Seite der Fuge F eine Ankerkonstruktion K auf, über die der jeweilige Träger mit dem Bauwerk verankert wird.In the Fig. 1 The structural joint bridging device 10 shown serves to bridge or seal a joint F located between two structural parts. For this purpose, the structural joint bridging device 10 has a joint sealing profile 1 extending over the joint F. The joint sealing profile 1 for its part has a left holding area 2 and a right holding area 3. As shown in FIG Fig. 1 the left holding area 2 is inserted into a left carrier 11 of the building joint bridging device 10 and correspondingly the right holding area 3 is inserted into a right carrier 12 of the building joint bridging device 10. The left support 11 and the right support 12 are each firmly connected to the associated left component 13 and the right component 14. For this purpose, the building joint bridging device 10 in the embodiment shown has an anchor structure K on each side of the joint F, via which the respective carrier is anchored to the building.

Fig. 2 zeigt einen vergrößerten Teilbereich der in Fig. 1 abgebildeten Bauwerksfugenüberbrückungsvorrichtung 10, nämlich den rechten Haltebereich 3 des Fugendichtprofils 1 wie er im Eingriff mit dem rechten Träger 12 der Bauwerksfugenüberbrückungsvorrichtung 10 steht. Der Haltebereich weist dabei eine Stoffzusammensetzung 4 auf, die sich in einem aktivierten Zustand befindet. Die Stoffzusammensetzung ist erfindungsgemäß so ausgebildet, dass sich deren Volumen und damit auch das Volumen des rechten Haltebereichs 3 nach einer Aktivierung vergrößert. Infolgedessen schmiegt sich der rechte Haltebereich 3 nahezu vollflächig an die Innenwand der Aussparung A des rechten Trägers 12 an. Die Stoffzusammensetzung ist so dosiert, dass sich der Haltebereich 3 in einer nicht eingebauten Situation nach Aktivierung deutlich über das in der Aussparung A zur Verfügung stehende Volumen ausdehnen würde. Dadurch wird erreicht, dass in der eingebauten Situation nicht nur ein Flächenkontakt hergestellt wird, sondern zusätzlich eine substantielle Flächenpressung zwischen dem Haltebereich 3 und der Aussparung A im aktivierten Zustand erzeugt werden kann. Durch eben diese Flächenpressung kann eine gute Dichtwirkung zwischen dem Träger 12 und dem Fugendichtprofil 1 erzeugt werden. Fig. 2 FIG. 11 shows an enlarged portion of FIG Fig. 1 building joint bridging device 10 shown, namely the right holding area 3 of the joint sealing profile 1 as it is in engagement with the right support 12 of the building joint bridging device 10. The holding area has a composition of matter 4 which is in an activated state. According to the invention, the composition of matter is designed in such a way that its volume and thus also the volume of the right holding area 3 increases after activation. As a result, the right holding area 3 hugs the inner wall of the recess A of the right support 12 almost over its entire surface. The substance composition is dosed in such a way that the holding area 3 would expand significantly beyond the volume available in the recess A in a non-built-in situation after activation. It is thereby achieved that in the installed situation not only surface contact is established, but also substantial surface pressure can be generated between the holding area 3 and the recess A in the activated state. A good sealing effect between the carrier 12 and the joint sealing profile 1 can be produced by precisely this surface pressure.

In Fig. 3 ist derselbe Teilbereich der Bauwerksfugenüberbrückungsvorrichtung wie in Fig. 2 dargestellt, allerdings ist hier die Stoffzusammensetzung 4 in einem nicht aktivierten Zustand. Dies ist also die Situation beim Einbringen des Profils in die Aussparung A des Trägers 12 oder beim Ausbauen. Erkennbar ist, dass der rechte Haltebereich 3 im Gegensatz zum aktivierten Zustand einen kleineren Querschnitt aufweist, was dazu führt, dass der Haltebereich leicht in die Öffnung der Aussparung eingeführt oder herausgenommen werden kann. Beim Einbringen oder Ausbauen des Haltebereichs 3 in die Aussparung A muss der Haltebereich nur geringfügig oder gegebenenfalls überhaupt nicht deformiert werden. Nach der Aktivierung wird der Haltebereich 3 in der Aussparung A jedoch sowohl reibkraftschlüssig als auch formschlüssig in der Aussparung A gehalten, da nach Aktivierung des Haltebereichs dieser einen klauenartigen Hinterschnitt erzeugt.In Fig. 3 is the same sub-area of the structural joint bridging device as in Fig. 2 shown, but here the composition of matter 4 is in a non-activated state. So this is the situation when introducing the profile in the recess A of the carrier 12 or when Remove. It can be seen that the right holding area 3, in contrast to the activated state, has a smaller cross section, which means that the holding area can easily be inserted into or removed from the opening of the recess. When inserting or removing the holding area 3 into the recess A, the holding area only has to be deformed slightly or, if necessary, not at all. After activation, however, the holding area 3 is held in the recess A in both a frictional and form-locking manner in the recess A, since after the holding area has been activated, it produces a claw-like undercut.

Das in Fig. 4 gezeigte zweite Ausführungsbeispiel des erfindungsgemäßen Fugendichtprofils weist einen linken Haltebereich 2 und einen rechten Haltebereich 3 auf, mit einer Form, die an die Gestalt der Aussparung im Träger angepasst ist, siehe hierzu die Figuren 1 bis 3. Die aktivierbare Stoffzusammensetzung 4 ist wie im ersten Ausführungsbeispiel ebenfalls in den Haltebereichen 2 und 3 angeordnet. In der in Fig. 4 dargestellten Abbildung ist die Form des Haltebereichs nach Aktivierung der Stoffzusammensetzung 4 am rechten Haltebereich 3 gestrichelt angedeutet. Die Stoffzusammensetzung 4 am linken Haltebereich 3 ist im nicht aktivierten Zustand abgebildet.This in Fig. 4 The shown second embodiment of the joint sealing profile according to the invention has a left holding area 2 and a right holding area 3, with a shape that is adapted to the shape of the recess in the carrier, see FIG Figures 1 to 3 . As in the first exemplary embodiment, the activatable composition of matter 4 is also arranged in the holding areas 2 and 3. In the in Fig. 4 The figure shown is the shape of the holding area after activation of the composition 4 on the right holding area 3 indicated by dashed lines. The composition of matter 4 on the left holding area 3 is shown in the non-activated state.

BezugszeichenlisteList of reference symbols

AA.
AussparungRecess
FF.
FugeGap
KK
AnkerkonstruktionAnchor construction
11
FugendichtprofilJoint sealing profile
22
linker Haltebereichleft stop area
33
rechter Haltebereichright holding area
44th
StoffzusammensetzungComposition of matter
1010
FugenüberbrückungsvorrichtungJoint bridging device
1111th
linker Trägerleft carrier
1212th
rechter Trägerright carrier
1313th
linke Bauteilkomponenteleft part component
1414th
rechte Bauteilkomponenteright part component

Claims (15)

  1. Construction joint bridging device (10) for sealing roadway transitions or pavement transitions in bridges, wherein the construction joint bridging device (10) comprises at least one support (11, 12) and at least one joint sealing profile (1), wherein the joint sealing profile (1) consisting at least partially of an elastic material and having at least one holding portion (2, 3) for fastening to the support (11, 12) of the construction joint bridging device (10), wherein the support (11, 12) comprises a recess (A) for receiving at least one holding portion (2, 3) of the joint sealing profile (1),
    wherein the recess (A) comprises an undercut,
    wherein at least one holding portion (2, 3) of the joint sealing profile (1) is inserted into the recess (A),
    characterized in that
    the support (11, 12) comprises a recess (A) for receiving at least one holding portion (2, 3) of the joint sealing profile (1), and
    the holding portion (2, 3) has, at least in sections, a material composition (4) which can be activated in a targeted manner by a chemical, thermal and/or physical exposure so that the volume of the holding portion (2, 3) increases, in order to form a form-fitting and force-locking component connection between the holding portion (2, 3) and the respective recess (A).
  2. Construction joint bridging device (10) according to claim 1,
    characterised in that
    the increase in volume is at least partially reversible.
  3. Construction joint bridging device (10) according to one of the preceding claims,
    characterised in that
    the material composition (4) comprises a material swellable by a liquid, so that the exposure can occur by means of such a liquid.
  4. Construction joint bridging device (10) according to claim 3,
    characterised in that
    the swellable material comprises a mineral and/or a water-swellable polymer.
  5. Construction joint bridging device (10) according to claim 3 or 4,
    characterised in that
    the swellable material comprises a granulate comprising a polyacrylic acid-based superabsorber and an elastomeric carrier material.
  6. Construction joint bridging device (10) according to one of the preceding claims,
    characterised in that
    the material composition (4) comprises a material which increases its volume upon exposure to a chemical.
  7. Construction joint bridging device (10) according to claim 3,
    characterised in that
    the material composition (4) comprises a prepolymer so that the exposure can occur by means of water, wherein the prepolymer is configured to release CO2 depending on the swelling.
  8. Construction joint bridging device (10) according to one of the preceding claims,
    characterised in that
    the material composition (4) comprises a field-affine material, so that the exposure can occur by applying a field.
  9. Construction joint bridging device (10) according to one of the preceding claims,
    characterised in that
    the holding portion (4) is designed in such a way that when it is subjected to chemical, thermal and/or physical exposure, it forms an abutting contact with the corresponding recess (A).
  10. Use of a joint sealing profile (1) with all features of claim 1 related to such a joint sealing profile (1) in a construction joint bridging device (10) according to one of the preceding claims.
  11. Method for producing a construction joint bridging device (10) according to one of the preceding claims 1 to 9,
    characterised in that
    the joint sealing profile (1) is produced as a profile and the material composition (4) is introduced into the profile in the holding portion (2, 3).
  12. Method according to claim 11,
    characterised in that
    at least part of the holding portion (2, 3) is manufactured with the material composition (4) as a separate component and is connected as such to the profile in a separate process step.
  13. Method according to claim 12,
    characterised in that
    the separate component is vulcanized onto the profile.
  14. Method according to one of claims 11 to 13,
    characterised in that
    the joint sealing profile (1) is inserted into the recess (A) and the holding portion is subjected to chemical, thermal and/or physical exposure so that its volume increases.
  15. Method for disassembling a construction joint bridging device (10) according to one of claims 1 to 9,
    characterised in that
    the chemical, thermal and/or physical exposure to the holding portion of the joint sealing profile (1) inserted into the recess (A) is changed in such a way that the volume of the holding portion is reduced.
EP18807948.7A 2017-11-23 2018-11-21 Structural joint bridging device and method for producing a structural joint bridging device Active EP3701098B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SI201830596T SI3701098T1 (en) 2017-11-23 2018-11-21 Structural joint bridging device and method for producing a structural joint bridging device
PL18807948T PL3701098T3 (en) 2017-11-23 2018-11-21 Structural joint bridging device and method for producing a structural joint bridging device
HRP20220398TT HRP20220398T1 (en) 2017-11-23 2018-11-21 Structural joint bridging device and method for producing a structural joint bridging device
RS20220234A RS62994B1 (en) 2017-11-23 2018-11-21 Structural joint bridging device and method for producing a structural joint bridging device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017220915.1A DE102017220915A1 (en) 2017-11-23 2017-11-23 Joint sealing profile, building joint bridging device and method for producing a joint sealing profile
PCT/EP2018/082106 WO2019101804A1 (en) 2017-11-23 2018-11-21 Joint-sealing profile, structural joint bridging device and method for producing a joint-sealing profile

Publications (2)

Publication Number Publication Date
EP3701098A1 EP3701098A1 (en) 2020-09-02
EP3701098B1 true EP3701098B1 (en) 2021-12-29

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EP (1) EP3701098B1 (en)
JP (1) JP7133016B2 (en)
KR (1) KR20200096249A (en)
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HU (1) HUE058000T2 (en)
IL (1) IL274805B2 (en)
MX (1) MX2020005269A (en)
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PH (1) PH12020550682A1 (en)
PL (1) PL3701098T3 (en)
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RU (1) RU2748262C1 (en)
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SI (1) SI3701098T1 (en)
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USD1106498S1 (en) 2023-08-24 2025-12-16 Illinois Tool Works Inc. Joint former

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SG11202004830VA (en) 2020-06-29
DE102017220915A1 (en) 2019-05-23
US20200362523A1 (en) 2020-11-19
HRP20220398T1 (en) 2022-05-13
RS62994B1 (en) 2022-03-31
PT3701098T (en) 2022-03-16
PL3701098T3 (en) 2022-03-21
JP7133016B2 (en) 2022-09-07
WO2019101804A1 (en) 2019-05-31
KR20200096249A (en) 2020-08-11
EP3701098A1 (en) 2020-09-02
ES2906393T3 (en) 2022-04-18
CN111566290A (en) 2020-08-21
SI3701098T1 (en) 2022-04-29
CA3083072C (en) 2023-08-01
HUE058000T2 (en) 2022-06-28
CA3083072A1 (en) 2019-05-31
DK3701098T3 (en) 2022-03-28
IL274805A (en) 2020-07-30
IL274805B2 (en) 2024-06-01
AU2018373772B2 (en) 2022-02-17
AU2018373772A1 (en) 2020-06-18
UA125197C2 (en) 2022-01-26
US11384490B2 (en) 2022-07-12
CL2020001356A1 (en) 2020-08-28
RU2748262C1 (en) 2021-05-21
NZ764970A (en) 2022-10-28
PH12020550682A1 (en) 2021-03-15
IL274805B1 (en) 2024-02-01
MX2020005269A (en) 2020-10-07
JP2021512969A (en) 2021-05-20

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