EP2268873A1 - Formwork and formwork method of a concrete construction - Google Patents
Formwork and formwork method of a concrete constructionInfo
- Publication number
- EP2268873A1 EP2268873A1 EP09737730A EP09737730A EP2268873A1 EP 2268873 A1 EP2268873 A1 EP 2268873A1 EP 09737730 A EP09737730 A EP 09737730A EP 09737730 A EP09737730 A EP 09737730A EP 2268873 A1 EP2268873 A1 EP 2268873A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- formwork
- wall
- elements
- carriage
- stand
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
- E04G11/28—Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer and which are anchored in the hardened concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/062—Forms for curved walls
- E04G11/065—Forms for curved walls with mechanical means to modify the curvature
Definitions
- the invention relates to a formwork in concrete construction, in particular for an annular rising wall of a round container in which enclosing a further construction section formwork elements an upper edge of a completed wall section, are fixed to this and project for a backfilling with concrete the wall portion.
- Formwork and methods of shuttering in concrete construction are known and proven in various embodiments.
- formwork with curved walls are still problematic and especially in monolithic to create round containers, as they can be used in many cases for biogas plants or silos in agriculture in recent times.
- Diameters of up to 35 m require careful, high-quality formwork techniques.
- formwork elements as they are known from DE 200 00 497 Ul or DE 102 40 372 Al, assembled into several rings arranged one above the other. With increasing wall height, a lower, inner ring and a lower, outer ring occupy an upper edge of a completed wall portion and carry the overlying, concentric rings of further formwork elements for finishing a another wall section by filling the gap between the rings with concrete.
- the invention has the object to provide a formwork for concrete construction and a method of concrete construction for enclosing an annular rising wall of a round container available that allow a very safe and fast work.
- the formwork according to the invention offers many advantages. Cranes or the like are not needed since the formwork is supported by carriages parallel to and from the wall section spaced stands in height is adjustable. In particular, shuttering elements can be saved, since the height of the formwork can be dimensioned smaller than in conventional formworks.
- a particular advantage is seen in an annular rising wall, for example.
- a round container also seen in that, in contrast to the conventional method, the rings of formwork elements no longer disassembled and these must be implemented individually.
- the stand has a plurality of segments corresponding to the height of the formwork and that the carriage can be fixed to each segment, wherein the distance between the locations of setting preferably again corresponds to the height of the formwork.
- the height of the formwork, the length of the travel and the height of a structural steel mat are thus optimally matched.
- a lifting device is arranged between the carriage and the formwork. If the carriage is fixed to the stand, the formwork for a further construction section can then be lifted by means of the lifting device.
- lifting devices offer a variety of variants.
- a hydraulically and / or pneumatically actuated since in this case a synchronization of the individual lifting devices can be achieved comparatively easily.
- spindle drives are indeed very accurate, but relatively slow and there is a significant risk of contamination especially on the construction sites in question.
- rope or band hoops are possible, however, which must be performed consuming in roles.
- the lifting height of the lifting device should also correspond approximately to the travel path.
- formwork elements on both sides of the wall portion by the wall portion cross cantilever arms are connected, so that only on one side of the wall portion stand with carriage and lifting devices must be arranged.
- a rope or a band at one end is connected to a stand adjacent to the shuttering element, that the rope or band to a train at the foot of the stand arranged roller is deflected, that a roller disposed above the finished wall is provided, over which the cable or belt tension is deflected again and that the rope or belt tension is the other hand fixed to a arranged on the opposite side of the wall formwork element.
- the role can be placed on the finished wall in a simple manner, so that it must be spent only after the completion of the wall in the position above it.
- At least one formwork element is guided positively against a wall-fixed guide profile.
- a wall-fixed guide profile can be given in the manner of tongue and groove in a simple manner.
- formwork elements are preferably used equidistantly to distribute loads as evenly as possible.
- the formwork according to the invention can be provided with a framework when at an upper and on a support arm is hinged to a lower edge of a formwork element when the free ends of the support arms are braced diagonally in a side view and when connected to the free ends in a position of use vertically rising support.
- a support structure In the manner of a truss, a support structure is thereby formed, can be placed on the planks for a scaffold.
- tarpaulins or the like At the vertical rising support nets, tarpaulins or the like can also be set in the usual way.
- such a framework with the formwork according to the invention is mobile in use. After removal of the vertical rising support but the support arms of such a formwork element for a space-saving storage or transport to the formwork element can be pivoted.
- a formwork for an annular rising wall of a round container that the stand are arranged on an inner ring of formwork elements. This is preferably done in a uniform division, so that the forces occurring, only normal forces can be safely collected.
- the formwork according to the invention allows a method in concrete for a shroud of an annular rising wall of a round container, is parked in the claim 18 that for a further construction section a finished wall section enclosing formwork elements by reducing the radius of an inner ring forming formwork elements and by increasing the radius of an outer ring forming formwork elements, the formwork elements of the finished wall section are removed, that the two rings of the formwork elements are moved together on uprights and that by increasing the radius of the inner ring forming formwork elements and by reducing the radius of the outer ring forming
- Shuttering elements a lower edge of the formwork elements are brought into abutment against an upper edge of the finished wall portion.
- a formwork for a round container with increasing height of the structure no longer needs to be removed, but the formwork is raised altogether.
- the rings are moved by lifting devices, which are supported on sliders fixed to the uprights. The process should be as even as possible, both over the circumference and in the vertical, so that tilting of the formwork and, consequently, possible damage to the finished wall section or the formwork itself is avoided.
- the rings are raised, they are then determined with a lower edge of the formwork elements at the upper edge of the wall portion and then the lifting devices track the carriages on the uprights to the travel, said travel corresponds to the stroke of the lifting device approximately.
- the tracked carriages are then re-fixed to the uprights, again providing the starting point for a further step in manufacturing.
- the inner and outer rings of the shuttering elements can be jointly drained. Since this is preferably done by means of rope or band trains according to the device according to the invention, it is provided that on stand tethered formwork elements are arranged at a regular pitch and that in the middle between the connected to the uprights formwork elements in the circumferential direction adjustable formwork elements are arranged for a change in the radius of a ring.
- FIG. 1 shows a cross section through a double-walled formwork according to the invention
- Fig. 3 a detail of the top view of a turn-on, annular rising wall
- Fig. 4 a view of adjustable formwork elements.
- the formwork has an inner ring 2 according to FIG. 3 and an outer ring 3, which consist of a multiplicity of formwork elements 4.
- the formwork elements 4 of the rings 2, 3 can border with their lower edges an upper edge 5 of the finished wall portion 1.
- Formwork elements 4 the finished wall section 1 before, the remaining space between the formwork elements 4 and 2.3 rings can be filled with concrete.
- the rings 2, 3 are released by changing their radii of the cured wall section 1 and raised together for a further construction period.
- 2 stand 6 are parallel to, but spaced from the wall portion 1 on the inner ring.
- the stator 6 are arranged in a uniform pitch, in the embodiment at a distance of 90 °.
- a carriage 7 is movable and fixable, indicated by a Einsteckbolzen 8, see. Fig. 1.
- a hydraulic lifting device 10 is arranged, which raises the two dissolved from the wall portion 1 rings 2, 3 of the formwork for another construction phase.
- the bidirectional lifting device 10 also moves the carriage 7 to a new, elevated position, where it is fixed again according to FIG.
- the travel path of the carriage 7 on the stand 6 corresponds to the height of the formwork, which is preferably between 1.80 m and 2.20 m in accordance with the dimensions of a structural steel mat used and an optimum working height.
- individual segments 11,12, the stator 6, on each of which the carriage 7 can be fixed are preferably fixed, so that the stand 6 is optimally adapted to the height of the wall sections 1 for each construction phase.
- the opposing formwork elements 4, 13 are connected by the wall portion 1 cross-cantilevers 14, see. Fig. 2.
- the inner ring 2 and outer ring 3 are lowered to a bottom 15.
- Shuttering element 9 fixed to a disposed on the foot 17 of the stator 6 roller 18 deflected by a above the finished wall, preferably on this patch roll 19 again deflected and then fixed to the shuttering element 13.
- the discharge takes place after completion of the wall 1 of the two rings 2, 3 successively by means of the lifting device 10th
- the shuttering element 31 has an enlarged in Fig. 3 shown groove 20, in which a wall-fixed guide profile engages, not shown, so that the shuttering element 31 is guided on this guide profile.
- the formwork element 9 has at its upper and at its lower edge in each case a hinged support arm 21,22 still on, which are braced diagonally in a side view of Figure 1 or 2 with wire ropes 23,24. At the free ends 25,26 of the support arms 21,22 a vertically rising support 27 is connected. On the support arms 21,22 boards for a scaffold can be easily placed, while the support 27 tarpaulins, nets or the like can be attached.
- a work basket 28 is connected in Figure 1, which allows safe working even below the outer ring 3 of the formwork.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
Description
Schalung und Schalungsverfahren des BetonbausFormwork and formwork of concrete construction
Beschreibung:Description:
Die Erfindung betrifft eine Schalung im Betonbau, insbesondere für eine ringförmig aufgehende Wand eines Rundbehälters, bei der für einen weiteren Bauabschnitt Schalungselemente einen oberen Rand eines fertiggestellten Wandabschnitts einfassen, an diesem festgelegt sind und für ein Verfüllen mit Beton dem Wandabschnitt vorstehen.The invention relates to a formwork in concrete construction, in particular for an annular rising wall of a round container in which enclosing a further construction section formwork elements an upper edge of a completed wall section, are fixed to this and project for a backfilling with concrete the wall portion.
Des weiteren wird ein Verfahren des Betonbaus für ein Einschalen einer ringförmig aufgehenden Wand eines Rundbehälters, insbesondere unter Verwendung der erfindungsgemäßen Schalung, weiter erläutert.Furthermore, a method of concrete construction for enclosing an annular rising wall of a round container, in particular using the formwork according to the invention, further explained.
Schalungen und Verfahren des Einschalens im Betonbau sind in vielfältigen Ausführungsformen bekannt und bewährt. Jedoch sind nach wie vor Schalungen bei gekrümmten Wänden problematisch und insbesondere bei monolithisch zu erstellenden Rundbehältern, wie sie in jüngerer Zeit vielfach für Biogasanlagen oder als Silos in der Landwirtschaft Verwendung finden können. Behälterhδhen von bis zu 20 m undFormwork and methods of shuttering in concrete construction are known and proven in various embodiments. However, formwork with curved walls are still problematic and especially in monolithic to create round containers, as they can be used in many cases for biogas plants or silos in agriculture in recent times. Container heights of up to 20 m and
Durchmesser von bis zu 35 m verlangen sorgfältige, qualitativ hochwertige Schalungstechniken.Diameters of up to 35 m require careful, high-quality formwork techniques.
Bei einer bekannten Schalungstechnik werden Schalungselemente, wie sie aus der DE 200 00 497 Ul oder der DE 102 40 372 Al bekannt sind, zu mehreren, übereinander angeordneten Ringen zusammengesetzt. Mit wachsender Wandhöhe fassen ein unterer, innerer Ring und ein unterer, äußerer Ring einen oberen Rand eines fertiggestellten Wandabschnitts ein und tragen die darüberliegenden, konzentrischen Ringe aus weiteren Schalungselementen für ein Fertigstellen eines weiteren Wandabschnitts durch Verfüllen des Zwischenraums zwischen den Ringen mit Beton.In a known formwork technique formwork elements, as they are known from DE 200 00 497 Ul or DE 102 40 372 Al, assembled into several rings arranged one above the other. With increasing wall height, a lower, inner ring and a lower, outer ring occupy an upper edge of a completed wall portion and carry the overlying, concentric rings of further formwork elements for finishing a another wall section by filling the gap between the rings with concrete.
Ist dieser frisch verfüllte Wandabschnitt des Behälters weitgehend tragfähig ausgehärtet, werden die unteren Ringe abgebaut und auf die oberen Ringe aufgesetzt.If this freshly filled wall section of the container has hardened to a large extent, the lower rings are dismantled and placed on the upper rings.
Das Umsetzen der Ringe ist äußerst zeitintensiv und darüber hinaus für die Arbeiter bei den genannten Höhen nicht ungefährlich. Darüber hinaus erfordert das Umsetzen und insbesondere auch der Abbau der Ringe aus Schalungselementen nach Fertigstellung des Behälters erhebliche technische Ressourcen, beispielsweise in Form von Kränen.The reaction of the rings is extremely time-consuming and beyond that dangerous for the workers at the heights mentioned. In addition, the implementation and in particular the degradation of the rings of formwork elements after completion of the container requires significant technical resources, for example in the form of cranes.
Vor diesem technischen Hintergrund macht die Erfindung es sich zur Aufgabe, eine Schalung für den Betonbau und ein Verfahren des Betonbaus für ein Einschalen einer ringförmig aufgehenden Wand eines Rundbehälters zur Verfügung zu stellen, die ein ausgesprochen sicheres und schnelles Arbeiten erlauben.Against this technical background, the invention has the object to provide a formwork for concrete construction and a method of concrete construction for enclosing an annular rising wall of a round container available that allow a very safe and fast work.
Gelöst wird diese technische Problematik gemäß des Anspruchs 1 bei einer Schalung im Betonbau, insbesondere für eine ringförmig aufgehende Wand eines Rundbehälters, bei der für einen weiteren Bauabschnitt Schalungselemente einen oberen Rand eines fertiggestellten Wandabschnitts einfassen, an diesem festgelegt sind und für ein Verfüllen mit Beton dem Wandabschnitt vorstehen, durch die Maßnahmen, dass parallel zu und von dem Wandabschnitt beabstandet Ständer angeordnet sind, dass an jedem Ständer ein Schlitten verfahrbar ist und dass an dem Schlitten Schalungselemente angebunden sind.This technical problem is solved according to claim 1 in a formwork in concrete construction, in particular for an annular rising wall of a round container in which enclosing a further construction section formwork elements an upper edge of a completed wall section, are fixed to this and for a backfilling with concrete Wall section protrude, by the measures that are arranged parallel to and spaced from the wall portion stand that at each stand a carriage is movable and that formwork elements are connected to the carriage.
Die Schalung nach der Erfindung bietet vielfältige Vorteile. Kräne oder dergleichen werden nicht benötigt, da die Schalung über Schlitten an parallel zu und von dem Wandabschnitt beabstandeten Ständern in der Höhe einstellbar ist. Insbesondere können auch Schalungselemente eingespart werden, da die Höhe der Schalung geringer bemessen sein kann als bei herkömmlichen Einschalungen.The formwork according to the invention offers many advantages. Cranes or the like are not needed since the formwork is supported by carriages parallel to and from the wall section spaced stands in height is adjustable. In particular, shuttering elements can be saved, since the height of the formwork can be dimensioned smaller than in conventional formworks.
Ein besonderer Vorteil wird bei einer ringförmig aufgehenden Wand bspw. eines Rundbehälters ferner darin gesehen, dass im Gegensatz zu den herkömmlichen Verfahren die Ringe aus Schalungselementen nicht mehr zerlegt und diese einzeln umgesetzt werden müssen.A particular advantage is seen in an annular rising wall, for example. A round container also seen in that, in contrast to the conventional method, the rings of formwork elements no longer disassembled and these must be implemented individually.
Zweckmäßigerweise entspricht der Verfahrweg des Schlittens an dem Ständer etwa der Höhe der Schalung, ist jedoch gegenüber dieser versetzt. Solches bietet die Möglichkeit, Baustahlmatten einem Wandabschnitt vorstehen zu lassen, um so mit weiteren Baustahlmatten folgender Bauabschnitte eine Überlappung für ein Verbinden der Baustahlmatten untereinander zu erhalten.Appropriately, the travel of the carriage on the stand about the height of the formwork, but is offset from this. Such offers the possibility of having a steel mesh protrude a wall section, so as to obtain an additional overlap for connecting the reinforcing steel mats with other structural steel mats following sections.
Entsprechend den Abmessungen der Baustahlmatten wird derAccording to the dimensions of the steel mats is the
Verfahrweg um 2 m, insbesondere zwischen 1,80 m und 2,20 m betragen. Darüber hinaus können über eine derartige Höhe noch Arbeiten ohne eine Zuhilfenahme von Leitern, Podesten oder dergleichen nicht unproblematischen Hilfsmittel anfallende Arbeiten erledigt werden.Travel by 2 m, in particular between 1.80 m and 2.20 m amount. In addition, work can be done about such a height still work without the aid of ladders, pedestals or the like not unproblematic tools.
Um optimal einer vorgegebenen Höhe insbesondere eines Rundbehälters angepasst werden zu können, ist in konstruktiver Ausgestaltung weiter vorgesehen, dass der Ständer mehrere, jeweils der Höhe der Schalung entsprechende Segmente aufweist und dass der Schlitten an jedem Segment festlegbar ist, wobei der Abstand der Orte des Festlegens vorzugsweise wieder der Höhe der Schalung entspricht. Die Höhe der Schalung, die Länge des Verfahrweges und die Höhe einer Baustahlmatte sind somit optimal aufeinander abgestimmt .In order to be able to be optimally adapted to a given height, in particular of a round container, it is further provided in a structural design that the stand has a plurality of segments corresponding to the height of the formwork and that the carriage can be fixed to each segment, wherein the distance between the locations of setting preferably again corresponds to the height of the formwork. The height of the formwork, the length of the travel and the height of a structural steel mat are thus optimally matched.
In weiterer, konstruktiver Ausgestaltung der Schalung nach der Erfindung ist vorgesehen, dass zwischen dem Schlitten und der Schalung eine Hubvorrichtung angeordnet ist. Ist der Schlitten an dem Ständer festgelegt, kann dann mittels der Hubvorrichtung die Schalung für einen weiteren Bauabschnitt angehoben werden.In a further, constructive embodiment of the formwork according to the invention it is provided that a lifting device is arranged between the carriage and the formwork. If the carriage is fixed to the stand, the formwork for a further construction section can then be lifted by means of the lifting device.
Für die Ausbildung der Hubvorrichtungen bieten sich eine Vielzahl von Varianten an. Bevorzugt ist eine hydraulisch und/oder pneumatisch betätigte, da hierbei ein Gleichlauf der einzelnen Hubvorrichtungen vergleichsweise leicht erreicht werden kann. Alternativ mögliche Spindelantriebe sind zwar sehr genau, jedoch relativ langsam und es besteht gerade auf den in Rede stehenden Baustellen erhebliche Verschmutzungsgefahr. Gleichfalls sind Seil- oder Bandzüge möglich, die jedoch aufwendig in Rollen geführt werden müssen.For the formation of lifting devices offer a variety of variants. Preferably, a hydraulically and / or pneumatically actuated, since in this case a synchronization of the individual lifting devices can be achieved comparatively easily. Alternatively possible spindle drives are indeed very accurate, but relatively slow and there is a significant risk of contamination especially on the construction sites in question. Likewise, rope or band hoops are possible, however, which must be performed consuming in roles.
Unanhängig von der Ausbildung der Hubvorrichtung sollte diese bevorzugt so ausgelegt werden, dass ein Hub in zwei Richtungen ermöglicht ist. Es kann dann ein und dieselbe Hubvorrichtung nach einem Festlegen der Schalung an einem oberen Rand eines Wandabschnitts den an dem Ständer festgelegten Schlitten nachholen, so dass dieser erneut, in einer höheren Position, an dem Ständer festgelegt werden kann .Regardless of the design of the lifting device, this should preferably be designed so that a stroke in two directions is possible. It can then one and the same lifting device after setting the formwork at an upper edge of a wall section catch up with the sled fixed to the stand so that it can be set again, in a higher position, on the stand.
Infolgedessen sollte die Hubhöhe der Hubvorrichtung dem Verfahrweg auch in etwa entsprechen. In weiterer konstruktiver Ausgestaltung der Erfindung ist vorgesehen, dass Schalungselemente beidseits des Wandabschnitts durch den Wandabschnitt übergreifende Kragarme verbindbar sind, so dass nur auf einer Seite des Wandabschnitts Ständer mit Schlitten und Hubvorrichtungen angeordnet werden müssen.As a result, the lifting height of the lifting device should also correspond approximately to the travel path. In a further constructive embodiment of the invention, it is provided that formwork elements on both sides of the wall portion by the wall portion cross cantilever arms are connected, so that only on one side of the wall portion stand with carriage and lifting devices must be arranged.
Um auch bei dem Abbau der Schalung nach Fertigstellung der Wand auf Kräne oder dergleichen verzichten zu können, ist vorgesehen, dass ein Seil- oder Bandzug einerends an einem dem Ständer benachbarten Schalungselement angebunden ist, dass der Seil- oder Bandzug um eine am Fuß des Ständers angeordneten Rolle umgelenkt wird, dass eine oberhalb der fertigen Wand angeordnete Rolle vorgesehen ist, über die der Seil- oder Bandzug erneut umgelenkt wird und dass der Seil- oder Bandzug andernends an einem auf der gegenüberliegenden Seite der Wand angeordneten Schalungselement festgelegt ist. Dabei kann in einfacher Weise die Rolle auf die fertige Wand aufgesetzt sein, so dass sie erst nach der Fertigstellung der Wand in die Position oberhalb derselben verbracht werden muss.In order to dispense with the dismantling of the formwork after completion of the wall on cranes or the like, it is provided that a rope or a band at one end is connected to a stand adjacent to the shuttering element, that the rope or band to a train at the foot of the stand arranged roller is deflected, that a roller disposed above the finished wall is provided, over which the cable or belt tension is deflected again and that the rope or belt tension is the other hand fixed to a arranged on the opposite side of the wall formwork element. In this case, the role can be placed on the finished wall in a simple manner, so that it must be spent only after the completion of the wall in the position above it.
Um insbesondere bei einem Ablassen der Schalung nach Fertigstellung der Wand diese nicht zu beschädigen, beispielsweise durch Verkanten, kann in weiterer Ausgestaltung vorgesehen ein, dass wenigstens ein Schalungselement formschlüssig an einem wandfesten Führungsprofil geführt ist. Solches kann nach Art von Nut und Feder in einfacher Weise gegeben sein. In der Praxis werden derartige Schalungselemente bevorzugt äquidistant eingesetzt werden, um Belastungen möglichst gleichmäßig auch zu verteilen.In order not to damage these in particular with a draining of the formwork after completion of the wall, for example by tilting, can be provided in a further embodiment that at least one formwork element is guided positively against a wall-fixed guide profile. Such can be given in the manner of tongue and groove in a simple manner. In practice, such formwork elements are preferably used equidistantly to distribute loads as evenly as possible.
In einfacher Weise kann die Schalung nach der Erfindung mit einem Gerüst versehen werden, wenn an einem oberen und an einem unteren Rand eines Schalungselements ein Tragarm angelenkt ist, wenn die freien Enden der Tragarme in einer Seitenansicht diagonal verspannt sind und wenn an den freien Enden eine in einer Gebrauchslage vertikal aufgehende Stütze angeschlossen ist .In a simple manner, the formwork according to the invention can be provided with a framework when at an upper and on a support arm is hinged to a lower edge of a formwork element when the free ends of the support arms are braced diagonally in a side view and when connected to the free ends in a position of use vertically rising support.
Nach Art eines Fachwerks wird hierdurch ein Trägerwerk ausgebildet, auf das Bohlen für ein Gerüst aufgelegt werden können. An der vertikal aufgehenden Stütze können ferner in üblicher Weise Netze, Planen oder dergleichen festgelegt werden .In the manner of a truss, a support structure is thereby formed, can be placed on the planks for a scaffold. At the vertical rising support nets, tarpaulins or the like can also be set in the usual way.
Hierbei ist weiter von Vorteil, dass ein derartiges Gerüst mit der Schalung nach der Erfindung bei Gebrauch ortsveränderlich ist. Nach Entfernen der vertikal aufgehende Stütze können jedoch die Tragarme eines solchen Schalungselements für eine platzsparende Lagerung oder einen Transport auf das Schalungselement verschwenkt werden.It is further advantageous that such a framework with the formwork according to the invention is mobile in use. After removal of the vertical rising support but the support arms of such a formwork element for a space-saving storage or transport to the formwork element can be pivoted.
Nach der Erfindung ist weiter bei einer Schalung für eine ringförmig aufgehende Wand eines Rundbehälters vorgesehen, dass die Ständer an einem inneren Ring aus Schalungselementen angeordnet sind. Dies erfolgt bevorzugt in einer gleichmäßigen Teilung, so dass die auftretenden Kräfte, lediglich Normalkräfte, sicher aufgefangen werden können.According to the invention is further provided in a formwork for an annular rising wall of a round container, that the stand are arranged on an inner ring of formwork elements. This is preferably done in a uniform division, so that the forces occurring, only normal forces can be safely collected.
Insbesondere die Schalung nach der Erfindung erlaubt ein Verfahren im Betonbau für ein Einschalen einer ringförmig aufgehenden Wand eines Rundbehälters, bei dem gemäß des Anspruchs 18 darauf abgestellt ist, dass für einen weiteren Bauabschnitt die einen fertiggestellten Wandabschnitt einfassenden Schalungselemente durch Verringern des Radius der einen inneren Ring ausbildenden Schalungselemente und durch Vergrößern des Radius der einen äußeren Ring ausbildenden Schalungselemente die Schalungselemente von dem fertiggestellten Wandabschnitt entfernt werden, dass die beiden Ringe der Schalungselemente gemeinsam an Ständern verfahren werden und dass durch Vergrößern des Radius der den inneren Ring ausbildenden Schalungselemente und durch Verkleinern des Radius der den äußeren Ring ausbildendenIn particular, the formwork according to the invention allows a method in concrete for a shroud of an annular rising wall of a round container, is parked in the claim 18 that for a further construction section a finished wall section enclosing formwork elements by reducing the radius of an inner ring forming formwork elements and by increasing the radius of an outer ring forming formwork elements, the formwork elements of the finished wall section are removed, that the two rings of the formwork elements are moved together on uprights and that by increasing the radius of the inner ring forming formwork elements and by reducing the radius of the outer ring forming
Schalungselemente ein unterer Rand der Schalungselemente in Anlage an einen oberen Rand des fertiggestellten Wandabschnitts gebracht werden.Shuttering elements a lower edge of the formwork elements are brought into abutment against an upper edge of the finished wall portion.
Erfindungsgemäß muss eine Schalung für einen Rundbehälter mit zunehmender Höhe des Bauwerks nicht mehr abgenommen werden, sondern wird die Schalung insgesamt angehoben. Hierzu ist vorgesehen, dass die Ringe durch Hubvorrichtungen verfahren werden, die sich auf an den Ständern festgelegte Schlitten abstützen. Das Verfahren sollte möglichst gleichmäßig, sowohl über den Umfang als auch in der Vertikalen, erfolgen, so dass ein Verkanten der Schalung und damit einhergehend eine mögliche Beschädigung des fertiggestellten Wandabschnitts oder der Schalung selbst vermieden wird.According to the invention, a formwork for a round container with increasing height of the structure no longer needs to be removed, but the formwork is raised altogether. For this purpose, it is provided that the rings are moved by lifting devices, which are supported on sliders fixed to the uprights. The process should be as even as possible, both over the circumference and in the vertical, so that tilting of the formwork and, consequently, possible damage to the finished wall section or the formwork itself is avoided.
Sind die Ringe angehoben, werden sie anschließend mit einem unteren Rand der Schalungselemente an dem oberen Rand des Wandabschnitts festgelegt und können dann die Hubvorrichtungen die Schlitten an den Ständern um den Verfahrweg nachführen, wobei dieser Verfahrweg dem Hub der Hubvorrichtung in etwa entspricht . Die nachgeführten Schlitten werden dann an den Ständern erneut festgelegt, womit erneut die Ausgangsbasis für einen weiteren Schritt der Fertigung geschaffen ist.The rings are raised, they are then determined with a lower edge of the formwork elements at the upper edge of the wall portion and then the lifting devices track the carriages on the uprights to the travel, said travel corresponds to the stroke of the lifting device approximately. The tracked carriages are then re-fixed to the uprights, again providing the starting point for a further step in manufacturing.
Bei dem Verfahren nach der Erfindung können ferner nach Fertigstellung der Wand der innere und der äußere Ring der Schalungselemente gemeinsam abgelassen werden. Da dies mittels Seil- oder Bandzügen gemäß der Vorrichtung nach der Erfindung bevorzugt erfolgt, ist vorgesehen, dass an Ständer angebundene Schalungselemente in einer regelmäßigen Teilung angeordnet sind und dass mittig zwischen den an den Ständern angebundenen Schalungselemente in Umfangsrichtung einstellbare Schalungselemente angeordnet sind für eine Änderung des Radius eines Rings.Furthermore, in the method according to the invention, after completion of the wall, the inner and outer rings of the shuttering elements can be jointly drained. Since this is preferably done by means of rope or band trains according to the device according to the invention, it is provided that on stand tethered formwork elements are arranged at a regular pitch and that in the middle between the connected to the uprights formwork elements in the circumferential direction adjustable formwork elements are arranged for a change in the radius of a ring.
Aufgrund dieser Maßnahmen ist eine gleichmäßige, symmetrische Krafteinleitung wie Kraftverteilung gegeben.Due to these measures, a uniform, symmetrical force transmission such as force distribution is given.
Hinsichtlich dieser Belastungen sollten ferner Änderungen des Umfangs durch Einstellen der Schalungselemente gleichmäßig erfolgen, weshalb solches bevorzugt mit Spindelantrieben oder hydraulisch bzw. pneumatisch erfolgt.With regard to these loads further changes in the circumference should be made uniform by adjusting the formwork elements, which is why such preferably with spindle drives or hydraulically or pneumatically.
Die Erfindung wird anhand der Zeichnung näher erläutert, in der lediglich schematisch Ausführungsbeispiele dargestellt sind. In der Zeichnung zeigt:The invention will be explained in more detail with reference to the drawing, in which only schematically exemplary embodiments are shown. In the drawing shows:
Fig. 1: einen Querschnitt durch eine doppelwandige Schalung nach der Erfindung,1 shows a cross section through a double-walled formwork according to the invention,
Fig. 2: das Anheben der Schalung,2: the lifting of the formwork,
Fig. 3: ausschnittweise die Draufsicht auf eine eingeschalte, ringförmig aufgehende Wand undFig. 3: a detail of the top view of a turn-on, annular rising wall and
Fig. 4: eine Ansicht einstellbarer Schalungselemente.Fig. 4: a view of adjustable formwork elements.
Anhand der Figuren 1 bis 4 wird die erfindungsgemäße Schalung an einem ringförmig aufgehenden, fertiggestelltenWith reference to the figures 1 to 4, the formwork according to the invention in an annular rising, finished
Wandabschnitt 1 beispielsweise eines Rundbehälters weiter erläutert . Die Schalung weist einen inneren Ring 2 gemäß Figur 3 und einen äußeren Ring 3 auf, die aus einer Vielzahl von Schalungselementen 4 bestehen. Durch eine Vergrößerung des Radius des inneren Rings 2 bzw. eine Verringerung des Radius des äußeren Rings 3 können die Schalungselemente 4 der Ringe 2 , 3 mit ihren unteren Rändern einen oberen Rand 5 des fertiggestellten Wandabschnitts 1 einfassen. Sind die Ringe 2,3 festgelegt und stehen dieWall section 1, for example, a round container further explained. The formwork has an inner ring 2 according to FIG. 3 and an outer ring 3, which consist of a multiplicity of formwork elements 4. By increasing the radius of the inner ring 2 or a reduction of the radius of the outer ring 3, the formwork elements 4 of the rings 2, 3 can border with their lower edges an upper edge 5 of the finished wall portion 1. Are the rings 2.3 fixed and stand the
Schalungselemente 4 dem fertiggestellten Wandabschnitt 1 vor, kann der verbleibende Zwischenraum zwischen den Schalungselementen 4 bzw. Ringen 2,3 mit Beton verfüllt werden .Formwork elements 4 the finished wall section 1 before, the remaining space between the formwork elements 4 and 2.3 rings can be filled with concrete.
Für einen weiteren Bauabschnitt werden die Ringe 2 , 3 durch Änderung ihrer Radien von dem ausgehärteten Wandabschnitt 1 gelöst und gemeinsam für einen weiteren Bauabschnitt angehoben .For a further construction period, the rings 2, 3 are released by changing their radii of the cured wall section 1 and raised together for a further construction period.
Hierzu sind an dem inneren Ring 2 Ständer 6 parallel zu, jedoch von dem Wandabschnitt 1 beabstandet angeordnet. Über den Umfang des inneren Rings 2 sind die Ständer 6 in einer gleichmäßigen Teilung angeordnet, bei dem Ausführungsbeispiel in einem Abstand von 90°.For this purpose, 2 stand 6 are parallel to, but spaced from the wall portion 1 on the inner ring. Over the circumference of the inner ring 2, the stator 6 are arranged in a uniform pitch, in the embodiment at a distance of 90 °.
An jedem Ständer 6 ist ein Schlitten 7 verfahrbar und festlegbar, angedeutet durch einen Einsteckbolzen 8, vgl. Fig. 1. Zwischen dem Schlitten 7 und einem Schalungselement 9 des inneren Rings 2 der Schalung ist eine hydraulische Hubvorrichtung 10 angeordnet, die die beiden von dem Wandabschnitt 1 gelösten Ringe 2 , 3 der Schalung für einen weiteren Bauabschnitt anhebt.At each stand 6, a carriage 7 is movable and fixable, indicated by a Einsteckbolzen 8, see. Fig. 1. Between the carriage 7 and a formwork element 9 of the inner ring 2 of the formwork, a hydraulic lifting device 10 is arranged, which raises the two dissolved from the wall portion 1 rings 2, 3 of the formwork for another construction phase.
Sind der innere Ring 2 und der äußere Ring 3 erneut für einen weiteren Bauabschnitt am oberen Randabschnitt 5 festgelegt, verfährt die in zwei Richtungen wirkende Hubvorrichtung 10 den Schlitten 7 gleichfalls in eine neue, erhöhte Position, wo er gemäß Figur 1 wieder festgelegt wird. Dabei entspricht der Verfahrweg des Schlittens 7 an dem Ständer 6 der Höhe der Schalung, die entsprechend den Abmessungen einer verwendeten Baustahlmatte und einer optimalen Arbeitshöhe vorzugsweise zwischen 1,80 m und 2,20 m liegt. Entsprechend hohe, einzelne Segmente 11,12 weist der Ständer 6 auf, an denen jeweils der Schlitten 7 festlegbar ist, womit der Ständer 6 optimal der Höhe der Wandabschnitte 1 für jeden Bauabschnitt anpassbar ist.If the inner ring 2 and the outer ring 3 are again set for a further construction section at the upper edge section 5, the bidirectional lifting device 10 also moves the carriage 7 to a new, elevated position, where it is fixed again according to FIG. In this case, the travel path of the carriage 7 on the stand 6 corresponds to the height of the formwork, which is preferably between 1.80 m and 2.20 m in accordance with the dimensions of a structural steel mat used and an optimum working height. Correspondingly high, individual segments 11,12, the stator 6, on each of which the carriage 7 can be fixed, so that the stand 6 is optimally adapted to the height of the wall sections 1 for each construction phase.
Um den äußeren Ring 3 durch die Hubvorrichtung 10 mit anzuheben, sind die sich gegenüberliegenden Schalungselemente 4 , 13 durch den Wandabschnitt 1 übergreifende Kragarme 14 verbunden, vgl. Fig. 2. Ist die Wand fertiggestellt, werden der innere Ring 2 und der äußere Ring 3 auf einen Boden 15 abgelassen. Hierzu wird ein Seilzug 16 an demIn order to lift the outer ring 3 by the lifting device 10, the opposing formwork elements 4, 13 are connected by the wall portion 1 cross-cantilevers 14, see. Fig. 2. When the wall is completed, the inner ring 2 and outer ring 3 are lowered to a bottom 15. For this purpose, a cable 16 on the
Schalungselement 9 festgelegt, um eine an dem Fuß 17 des Ständers 6 angeordnete Rolle 18 umgelenkt, um eine oberhalb der fertigen Wand, vorzugsweise auf diese aufgesetzte Rolle 19 erneut umgelenkt und dann an dem Schalungselement 13 festgelegt.Shuttering element 9 fixed to a disposed on the foot 17 of the stator 6 roller 18 deflected by a above the finished wall, preferably on this patch roll 19 again deflected and then fixed to the shuttering element 13.
Entsprechend der Umsetzung des inneren und äußeren Rings 2,3 für den Aufbau der Wand 1 erfolgt das Ablassen nach Fertigstellung der Wand 1 der beiden Ringe 2 , 3 sukzessive mittels der Hubvorrichtung 10.According to the implementation of the inner and outer rings 2,3 for the construction of the wall 1, the discharge takes place after completion of the wall 1 of the two rings 2, 3 successively by means of the lifting device 10th
Damit insbesondere beim Ablassen des inneren und äußeren Rings 2,3 die Schalung nicht verkantet, sondern gleichmäßig abgesetzt werden kann, weist das Schalungselement 31 eine in Fig. 3 vergrößert dargestellte Nut 20 noch auf, in die ein wandfestes Führungsprofil eingreift, nicht dargestellt, so dass das Schalungselement 31 an diesem Führungsprofil geführt wird. Das Schalungselement 9 weist an seinem oberen und an seinem unteren Rand jeweils einen angelenkten Tragarm 21,22 noch auf, die in einer Seitenansicht gemäß Figur 1 oder 2 mit Drahtseilen 23,24 diagonal verspannt sind. An den freien Enden 25,26 der Tragarme 21,22 ist eine vertikal aufgehende Stütze 27 angeschlossen. Auf die Tragarme 21,22 sind Bohlen für ein Gerüst problemlos auflegbar, während an die Stütze 27 Planen, Netze oder dergleichen angehängt werden können.Thus, especially when draining the inner and outer ring 2.3, the formwork is not tilted, but can be sold evenly, the shuttering element 31 has an enlarged in Fig. 3 shown groove 20, in which a wall-fixed guide profile engages, not shown, so that the shuttering element 31 is guided on this guide profile. The formwork element 9 has at its upper and at its lower edge in each case a hinged support arm 21,22 still on, which are braced diagonally in a side view of Figure 1 or 2 with wire ropes 23,24. At the free ends 25,26 of the support arms 21,22 a vertically rising support 27 is connected. On the support arms 21,22 boards for a scaffold can be easily placed, while the support 27 tarpaulins, nets or the like can be attached.
An das Schalungselement 13 ist in Figur 1 ein Arbeitskorb 28 angeschlossen, der ein gefahrloses Arbeiten auch unterhalb des äußeren Rings 3 der Schalung erlaubt .To the formwork element 13, a work basket 28 is connected in Figure 1, which allows safe working even below the outer ring 3 of the formwork.
Für eine Veränderung eines Radius der Ringe 2,3 sind in einer regelmäßigen Teilung, hier mittig zwischen den an Ständern 6 angebundenen Schalungselementen 9, in Umfangsrichtung einstellbare Schalungselemente 29 vorgesehen, vergleiche Figur 4, was hier mittels Spindelantrieben 30 erfolgt. For a change in the radius of the rings 2, 3, in the middle of the interval between the formwork elements 9 connected to uprights 6, circumferentially adjustable formwork elements 29 are provided, compare FIG. 4, which takes place here by means of spindle drives 30.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008021202A DE102008021202A1 (en) | 2008-04-28 | 2008-04-28 | Formwork and formwork of concrete construction |
| PCT/DE2009/000577 WO2009132622A1 (en) | 2008-04-28 | 2009-04-27 | Formwork and formwork method of a concrete construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2268873A1 true EP2268873A1 (en) | 2011-01-05 |
| EP2268873B1 EP2268873B1 (en) | 2014-11-12 |
Family
ID=40984288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09737730.3A Active EP2268873B1 (en) | 2008-04-28 | 2009-04-27 | Formwork and formwork method of a concrete construction |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8668482B2 (en) |
| EP (1) | EP2268873B1 (en) |
| DE (2) | DE102008021202A1 (en) |
| WO (1) | WO2009132622A1 (en) |
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|---|---|---|---|---|
| DE102018204961A1 (en) * | 2018-04-03 | 2019-10-10 | Peri Gmbh | Self-climbing system with drive via a revolving drive means and method for operating a self-climbing system |
| CN115787701B (en) * | 2022-11-23 | 2024-08-16 | 中国化学工程第六建设有限公司 | Large-volume round tank foundation steel template supporting system and construction method |
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|---|---|---|---|---|
| DE902188C (en) * | 1952-03-28 | 1954-01-21 | Siemens Bauunion Gmbh | Sliding circuit for concrete structures |
| DE1534850A1 (en) | 1962-07-28 | 1968-12-12 | Acrow Wolff Gmbh | Formwork arrangement |
| AT340672B (en) | 1974-02-19 | 1977-12-27 | Heinzle Otto | DEVICE FOR ESTABLISHING PREFERABLY PERFECTLY ENCLOSED BUILDINGS |
| GB1469141A (en) | 1973-03-07 | 1977-03-30 | Enor Nominees Pty Ltd | Method and apparatus for progressively constructing a wall of cementitious material |
| US4040774A (en) * | 1976-04-29 | 1977-08-09 | Research-Cottrel, Inc. | Apparatus for constructing concrete walls |
| DE2709044C2 (en) * | 1977-03-02 | 1984-02-02 | Peri-Werk Artur Schwörer GmbH & Co KG, 7912 Weißenhorn | Climbing formwork |
| DE2725114A1 (en) * | 1977-06-03 | 1978-12-14 | Dyckerhoff & Widmann Ag | EQUIPMENT FOR THE PRODUCTION OF CURVED CONSTRUCTIONS FROM REINFORCED CONCRETE CONCRETE IN THE WAY OF A CLIMBING PROCESS |
| DE2759088C2 (en) * | 1977-12-30 | 1985-06-20 | Philipp Holzmann Ag, 6000 Frankfurt | Climbing scaffold with climbing formwork for the production of a reinforced concrete wall |
| US4403460A (en) * | 1981-10-01 | 1983-09-13 | Pittsburgh-Des Moines Corporation | Method of erecting an elevated tank using formwork |
| DE3521065A1 (en) * | 1985-06-12 | 1986-12-18 | Gleitbau GmbH, Salzburg | SLIDING METHOD AND SLIDING GEAR DEVICE |
| AT394077B (en) | 1990-05-17 | 1992-01-27 | Rund Stahl Bau Gmbh & Co | DEVICE ON A FORMWORK FOR THE INSTALLATION OF A WALL |
| JPH06317014A (en) * | 1991-07-01 | 1994-11-15 | Shimizu Corp | Formwork execution device and method |
| JP2662330B2 (en) * | 1991-11-11 | 1997-10-08 | 戸田建設株式会社 | Self-elevating formwork device |
| AT397404B (en) | 1992-06-12 | 1994-04-25 | Rund Stahl Bau Gmbh & Co | DEVICE FOR BUILDING CONSTRUCTION WALLS |
| JP2959313B2 (en) * | 1993-02-19 | 1999-10-06 | 株式会社大林組 | Sliding form method |
| JPH08144514A (en) * | 1994-11-17 | 1996-06-04 | Hory Corp | Form device having scaffold having raising-lowering function, and construction method of concrete wall or the like by using form device having scaffold |
| DE20000497U1 (en) | 2000-01-13 | 2000-05-04 | Sundermann GmbH & Co. KG Stahlbeton-Rundbehälter, 32683 Barntrup | Formwork element for the production of circular structures and containers made of concrete |
| US6557817B2 (en) * | 2000-01-18 | 2003-05-06 | Wilian Holding Company | Wall climbing form hoist |
| WO2002022990A1 (en) * | 2000-09-18 | 2002-03-21 | Ulma C Y E, S. Coop. | Modular curved formwork system with variable radius |
| US7004737B2 (en) * | 2001-08-20 | 2006-02-28 | Matthew Russell | Methods and apparatus for forming concrete structures |
| US6926851B2 (en) * | 2001-10-31 | 2005-08-09 | Specialty Minerals (Michigan) Inc. | Method, composition and apparatus for controlled concrete |
| DE10240372B4 (en) | 2002-09-02 | 2004-09-02 | Paschal-Werk G. Maier Gmbh | formwork |
| BRPI0318598B1 (en) * | 2003-11-27 | 2016-03-22 | Ulma C Y E S Coop | lifting system for slides, scaffolding and loads |
| DE102008015682A1 (en) * | 2008-03-25 | 2009-10-08 | Peri Gmbh | Rail-guided self-climbing formwork system with climbing rail extension pieces |
-
2008
- 2008-04-28 DE DE102008021202A patent/DE102008021202A1/en not_active Withdrawn
-
2009
- 2009-04-27 EP EP09737730.3A patent/EP2268873B1/en active Active
- 2009-04-27 WO PCT/DE2009/000577 patent/WO2009132622A1/en not_active Ceased
- 2009-04-27 DE DE112009001600T patent/DE112009001600A5/en not_active Withdrawn
- 2009-04-27 US US12/989,912 patent/US8668482B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
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| See references of WO2009132622A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008021202A1 (en) | 2009-10-29 |
| WO2009132622A1 (en) | 2009-11-05 |
| US8668482B2 (en) | 2014-03-11 |
| US20110037186A1 (en) | 2011-02-17 |
| EP2268873B1 (en) | 2014-11-12 |
| DE112009001600A5 (en) | 2011-03-31 |
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