EP1849927A1 - Elément de coffrage - Google Patents

Elément de coffrage Download PDF

Info

Publication number: EP1849927A1
Authority: EP; European Patent Office
Prior art keywords: element according; base plate; wall; holding; shuttering element
Prior art date: 2005-12-22
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

Application number

EP06024261A

Other languages

German (de)

English (en)

Other versions

EP1849927B1 (fr

Inventor

Wolfgang Joos

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.)

BVB AG

Original Assignee

BVB AG

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.)

2005-12-22

Filing date

2006-11-23

Publication date

2007-10-31

2006-11-23 Application filed by BVB AG filed Critical BVB AG

2006-11-23 Priority to PL06024261T priority Critical patent/PL1849927T3/pl

2007-10-31 Publication of EP1849927A1 publication Critical patent/EP1849927A1/fr

2009-09-02 Application granted granted Critical

2009-09-02 Publication of EP1849927B1 publication Critical patent/EP1849927B1/fr

Status Not-in-force legal-status Critical Current

2026-11-23 Anticipated expiration legal-status Critical

Images

Classifications

- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8635—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties attached to the inner faces of the forms
- E04B2/8641—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties attached to the inner faces of the forms using dovetail-type connections

Definitions

the invention relates to a formwork element, in particular for shell construction, with two wall space enclosing a wall space between them and at least one wall panels enclosing spacers.
Such a wall element is for example from the DE 196 32 528 A1 known, where the inner surfaces of the wall panels have undercut recesses and also arranged as a plastic injection molded part spacers plate-shaped sections are arranged, which are precisely inserted vertically into the recesses. There are also dovetailed groove cross-sections z B. from the DE 20 2004 015 083 U1 known.
shuttering elements for shell concrete construction known in which on the inner surfaces of the wall panels regular groove structures are formed, in which parallel webs can be inserted and bonded to terminal plates of a spacer. It is also known to form dovetail-shaped projections on the inner surfaces of the wall panels, via which spacers can be pushed with complementary recesses.
the WO 03/097957 shows a formwork element in which the inner surface of wall panels have a periodic pattern of vertical wedge-shaped undercut joints and the spacers on outer surfaces of connected via a central part connection plates four complementary to the joints shaped vertical continuous support members side by side.
the spacers on the one hand have the function to connect the two wall panels to a uniform in the construction of a wall formwork element, and must hold together for filling the hollow wall space with fresh concrete, the wall panels against the pressure of the filled concrete.
the present invention has for its object to provide a reliable and cost-effective formwork element of the aforementioned type.
the holding elements expand with substantially flat retaining flanks, so that in cross-section the holding flanks form a trapezoidal shape with a contact plane of the base plate to the wall plate.
the angle of inclination of the flat retaining flanks against the preferably flat contact surface of the base plate is advantageously between 20 and 45, preferably between 25 ° and 35 °.
connection plate or its base plate to a wall plate is a typically substantially flat outwardly to the inner surface of the Wall plate facing out enveloping surface of the base plate without taking into account the projecting from this holding structures.
the recesses Due to the remote from the base plate front side of the holding elements forth recesses introduced into the holding elements, the amount required for the spacers or the base plates plastic compared to an execution platform with massive solid support elements to the front surface, in particular the material savings at the end face in the greatest width of the holding elements can be achieved.
the recesses are also advantageous injection molding because of the thereby reduceable material thickness.
the temporally limiting the depressions and the retaining flanks forming side walls of the holding elements may in advantageous embodiments in their course away from the base plate have a constant wall thickness.
the wall thickness can also vary, in particular continuously taper.
Such preferably wall-shaped webs can be predetermined in particular at the ends of holding elements and or as intermediate wall webs in the course of such holding elements.
Breakthroughs through the base plate in areas of projection of the retaining flanks on the base plate are of particular advantage for the production of preferred embodiments of the base plates as plastic injection molded parts.
the breakthroughs allow the immersion of mold cores through the contact surface of the base plate in the direction of the retaining flanks.
an injection molding tool is used for the connection plates, which has two relative to each other in the direction of the surface normal of the plane of the contact surface of the base plate deformable mold halves and no further moving the shape of the connection plates determining moving Parts needed.
First mandrels on a first mold half of the injection mold with end faces for the retaining flanks and second mandrels on a second mold half for the depressions dive in the opposite direction in the mold space and determine with spaced-apart opposing surfaces of the walls of the holding elements. Further cores on the second mold half dive along the first mold cores to the base plate.
connection structures on the wall space to and from the holding elements facing away side of the connection plates.
projections are provided on some or more second cores for the depressions, which cause openings in the base plate in extension of the depressions at the base of the holding elements on the base plate and on the wall space facing side the base plate with immersion cores of the first mold half define such connection structures.
a plurality of holding elements in a Einschieberaum spaced successively and spaced and / or transversely to the insertion direction, preferably arranged in a plurality of parallel rows, each with a plurality of holding elements. Between in the insertion direction successive holding elements are advantageously in the insertion direction extending intermediate webs, preferably provided projecting from the base plate. In an advantageous embodiment, exactly three rows of parallel rows of retaining elements are provided.
connection plate On the side facing away from the holding elements of the connection plate advantageously webs or ribs are provided, which protrude distantly from the base plate into the wall space and which laterally lead away from the at least one middle part.
the stiffening webs advantageously extend before, after and / or between in the insertion direction spaced successive holding elements on the opposite side of the base plate.
the wall panels are advantageously made in a conventional manner of heat-insulating rigid foam, such as foamed polystyrene. There may also be provided different wall panels for the inside and outside of a wall.
the counter-structures can also be formed in a conventional manner as parallel undercut grooves in the inner, ie, the wall space of the wall plates facing the wall space, wherein the insertion of the spacers may be limited by stops on the wall plate and / or on the spacer.
Fig. 1 shows an oblique view of an assembly of parts of a preferred embodiment of a formwork element according to the invention. 2, the finished assembled formwork element is shown in an oblique view.
the formwork element according to FIG. 2 is composed of two wall panels WP of a preferably heat-insulating hard foam, in particular of foamed polystyrene. It can also be provided for the inside and outside of a wall wall panels of different shapes or different materials.
the two wall panels are substantially cuboid.
the outer surfaces of the wall panels are substantially flat.
complementary structures HS1 and HS2, for example grooves or webs are formed, via which successive formwork elements in the transverse direction y in the longitudinal direction x can be aligned exactly with one another.
the wall panels WP include a wall space WR between them.
the inner surfaces IF facing the wall space have counter-structures GS to support structures PS on the spacers.
the counter-structures are preferably vertically extending undercut grooves into which the holding structures of the spacers in the z-direction can be inserted from above, whereby a fixation of the two wall panels takes place relative to each other.
the insertion depth can advantageously by a stop in the inner surfaces IF the wall panels and / or on the spacers done.
the counter-structures GS can advantageously be continued continuously in the x-direction on the inner surface, so that the spacers can be inserted with the support structures at a plurality of positions in the counter-structures.
a few concrete positions may be specified.
the counter-structures or other relief structures in surface areas of the inner surfaces IF which are not occupied by spacers can serve for better anchoring of the wall panels with the concrete which has been filled and hardened in the wall space.
the spacers AH are in turn composed of two flat connection plates AP and a flat central part MT connecting them. A spacer is outlined in detail in various views in FIGS. 4 and 5.
the spacer includes two on the support structures in the counter-structures of the wall plate inner surfaces mechanically anchored connection plates AP of the outlined in Fig. 3 type and a middle part MT, which is connectable via connecting structures MV of the connection plates with these, z. B. by snapping and / or preferably by insertion in the z direction.
two connection plates and a middle part are first connected to a spacer and then inserted with the support structures in the counter-structures of the inner surfaces of two wall panels.
connection plates can be inserted into the counter-structures or wall plates before the connection with the central part or integrated in the production of the wall panels in this, so that a connection of two wall panels by inserting the middle part in the pre-assembled or integrated connection plates.
the two connection plates are preferably identical in shape.
the middle part forms a largely open frame with vertical webs MLS and transverse webs MQS, wherein in the uppermost crosspiece images BA are prepared for steel reinforcements of the concrete wall core.
the middle part is preferably designed as a one-piece plastic injection-molded part.
connection plates are advantageously also produced as one-piece plastic injection-molded parts, wherein essential features of the present invention relate in particular to the formation of the connection plates.
Various, partially also cut representations of a connection plate are sketched in FIG. 6 to FIG. 12.
the connection plates contain a base plate GP, at the outward, d. H. in the y-direction away from the wall space WR facing away outside the support structures PS are arranged and at the inwardly, d. H. to the wall space WR side facing inside the connecting structures MV are formed for connection to the central part.
the base plate GP By stiffening on the inside of the base GP, the base plate GP can be carried out even with transverse wall y small wall thickness.
the middle part MT is connected in the longitudinal direction x in the middle of the connection plate with this.
Stiffening webs AS extend with decreasing height above the base plate from the center in the x-direction outward to the edges of the base plate.
Such stiffening webs are advantageously formed at the top and at the bottom of the base plate and in a plurality of intermediate positions in the y-direction.
the stiffening webs AS running parallel to an xy plane are advantageously connected to a vertical, central web MS lying in a yz plane.
the middle web MS consists in the sketched preferred example of a plurality of extending in the z-direction web portions, which are spaced apart in the region of the connecting structures.
the base plate GP is not necessarily, but preferably flat and determines with its outer side a planar contact surface AE between the connection plate AP and inner surface IP of a wall plate.
a notional plane AE is assumed to be the middle contact surface even if the outside of the base plate is not flat.
the outer surface may in particular be arched in the initial state with the lateral edge regions towards the wall space, so that upon insertion of the retaining structures into the counter-structures of the flat inner wall surface of the wall plate, a bending of the base plate and a resilient bias on the edge regions arises.
the holding structures on the outside of the base plate include a plurality of holding elements, which are arranged in three in the insertion direction z extending, spaced apart in the longitudinal direction x rows each having a plurality, in the example, five holding elements regularly.
the number of exactly three rows of holding elements is particularly advantageous with respect to a firm anchoring of the connection plates in the inner surfaces of the wall panels with simultaneously low weakening of the wall plate material in the undercuts.
a spacer at the junction of two longitudinally successive wall panels with the middle row of holding elements engage in an undercut formed by half of two wall panels undercut groove, for which on the wall panels in the longitudinal direction of the plate inner surface in each case a half cross-section of a such groove is formed.
the holding elements Starting from a foot region FB on the base plate GP, the holding elements lead outwardly away from them by diverge holding edges HF in the direction of an end face spaced from the base plate SF widened.
the holding flanks HF bear against corresponding counter flanks of the undercut grooves of the counter-structures and support the connection plates against picking out of the holding structures from the counter-holding structures.
the retaining flanks form in the preferred example outlined planar surfaces which are inclined against the flat contact surface AE by an angle WH between 45 ° and 75 °, preferably 55 ° and 65 °.
the retaining flanks of the outer contour of the cross section of the retaining elements form side edges of a trapezoidal shape.
the retaining flanks can also be curved.
the holding elements are from the end face SF, on which the holding elements have the largest extent in the longitudinal direction x, formed depressions VT, which may extend to the foot of the holding elements on the base plate.
the wall thickness of the walls EW of the holding elements between the depressions and the retaining flanks can advantageously be substantially constant, but can also decrease from the foot region to the end face.
the holding flanks of a holding element preferably extend in the insertion direction z in cross section uniformly over the height of the holding element in the z-direction.
the plurality of holding elements of a row have aligned holding flanks in the z-direction.
An advantageously small wall thickness for the side walls EW can be selected in particular when stiffening web walls SV are formed between opposite side walls of a holding element, which bending the walls EW with the holding flanks under the action of pulling forces, eg. B. by static pressure filled fresh concrete, prevent.
the retaining elements point at their upper and lower ends in each case such web walls SV.
One or more such web walls can be provided depending on the height of the holding elements in the z direction at intermediate positions.
successive holding elements can advantageously be formed in a y-z plane in the foot region of the holding elements extending intermediate webs ZS.
the intermediate webs ZS are preferably connected to upper and / or lower web walls SV of a holding element.
aligned end webs ES are provided at the upper and lower end of the base plate.
the baseplate GP has openings DU in the areas of the projection of the retaining flanks HF on the abutment plane AE.
the mold consists of two mold halves FI and FA, which can be moved relative to each other substantially in the direction of the surface normal of the planar contact surface AE, ie in the y-direction for opening and closing the mold. Since the connection plate has its smallest dimension in this travel direction, a particularly short travel path results, which favors a low cycle time.
first mold half FI protrude to the outside of the base plate and there determine the shape of the retaining edges HF.
first mold cores FH and second mold cores FV on the second mold half FA the side walls of the holding elements are formed. Further mold cores FZ on the second mold half FA dip between each two first mold cores FH up to the base plate GP.
the principle of pouring mandrels is also used advantageously in the example outlined for the formation of the connecting structure MV to the middle part.
mandrels FV-M for generating the recess VT in holding elements of the middle row at the lying on the outside of the base plate GP mold half FA through the base plate through extensions FS extended and create openings SC at the bottom of the recess VT of some example, but not all holding elements of the middle row.
the connecting structures MV are formed with an undercut guide groove NU for the central part-forming projections VS on two wall sections WN protruding from the base plate.
the ends of the wall sections WN in the z-direction are connected to one another via a transverse wall QW and to the central web MS.
the undercut guide groove favors an advantageous injection mold for the middle part.
the undercut groove and the vertical web portions MS define a guide for the central part, which connects by insertion into these guides in the z direction, the two wall plates together and forms with these the spacer.
a modification of the connecting structures provides that between the wall sections WV, the middle web is performed in the z direction, for which the extension FS is divided into two the web between them enclosing flat extensions which extend to the projections in the y direction and with a cooperating mold core forming the groove cooperates with the first mold half.
the remaining core shapes on the two mold halves do not relate to undercuts and are readily derivable from the sketches as standard cases of injection molds and therefore not explained in detail.
the forming cores FH and FS passing through the base plate advantageously allow the execution of both mold halves with cores fixed relative to the respective mold half and the absence of the shape of the connection plate determining cores to be moved relative to both mold halves as slides or the like.
FIG. 10 shows a view of a connecting plate with a view towards the surface facing away from the wall space WR facing outwards with the retaining elements.
the viewing direction of FIG. 10 provides a view into the recesses VT and through the openings SC in the base plate GP on the projections of the connecting structures MV with the groove NU.
Fig. 11 shows a connection plate with a view in the x-direction from the side
Fig. 12 is a sectional view corresponding to the multi-stepped section line XII-XII in Fig. 10, which further shows the structure of the preferred embodiment of the connection plate.

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Engineering & Computer Science (AREA)
Architecture (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Moulds, Cores, Or Mandrels (AREA)
Saccharide Compounds (AREA)
Bipolar Transistors (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Semiconductor Memories (AREA)
Surgical Instruments (AREA)
Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

EP06024261A 2005-12-22 2006-11-23 Elément de coffrage Not-in-force EP1849927B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
PL06024261T PL1849927T3 (pl)	2005-12-22	2006-11-23	Element szalunkowy

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102005062156A DE102005062156A1 (de)	2005-12-22	2005-12-22	Schalungselement

Publications (2)

Publication Number	Publication Date
EP1849927A1 true EP1849927A1 (fr)	2007-10-31
EP1849927B1 EP1849927B1 (fr)	2009-09-02

Family

ID=38108852

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP06024261A Not-in-force EP1849927B1 (fr)	2005-12-22	2006-11-23	Elément de coffrage

Country Status (4)

Country	Link
EP (1)	EP1849927B1 (fr)
AT (1)	ATE441764T1 (fr)
DE (2)	DE102005062156A1 (fr)
PL (1)	PL1849927T3 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19909460A1 (de) *	1999-03-04	2000-11-02	Ubs Uni Bau System Gmbh	Schalungssystem
WO2002055798A2 (fr) *	2001-01-11	2002-07-18	Pentstar Corporation	Bloc de construction composite a structure de connexion modulaire
WO2003097957A1 (fr) *	2002-05-18	2003-11-27	Bvb Ag	Ecarteur pour elements de coffrage
DE202004015083U1 (de) *	2004-06-12	2004-12-30	Brüssow, Jürgen	Schalungselemente aus Hartschaum für die Mantelbetonbauweise

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3405736A1 (de) *	1984-02-17	1985-08-22	Ipa-Isorast International S.A., Panama	Schalungselement fuer die mantelbetonbauweise sowie waermedaemmplatte
DE19632528A1 (de) *	1996-08-13	1998-02-19	Ubs Uni Bau System Gmbh	Hartschaum-Schalungselement

2005
- 2005-12-22 DE DE102005062156A patent/DE102005062156A1/de not_active Withdrawn
2006
- 2006-11-23 DE DE502006004734T patent/DE502006004734D1/de active Active
- 2006-11-23 PL PL06024261T patent/PL1849927T3/pl unknown
- 2006-11-23 EP EP06024261A patent/EP1849927B1/fr not_active Not-in-force
- 2006-11-23 AT AT06024261T patent/ATE441764T1/de active

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19909460A1 (de) *	1999-03-04	2000-11-02	Ubs Uni Bau System Gmbh	Schalungssystem
WO2002055798A2 (fr) *	2001-01-11	2002-07-18	Pentstar Corporation	Bloc de construction composite a structure de connexion modulaire
WO2003097957A1 (fr) *	2002-05-18	2003-11-27	Bvb Ag	Ecarteur pour elements de coffrage
DE202004015083U1 (de) *	2004-06-12	2004-12-30	Brüssow, Jürgen	Schalungselemente aus Hartschaum für die Mantelbetonbauweise

Also Published As

Publication number	Publication date
DE102005062156A1 (de)	2007-06-28
ATE441764T1 (de)	2009-09-15
PL1849927T3 (pl)	2010-04-30
DE502006004734D1 (de)	2009-10-15
EP1849927B1 (fr)	2009-09-02

Publication	Publication Date	Title
DE2628703C3 (de)	1980-10-09	Anordnung und Verfahren zur Herstellung von Profilen, insbesondere für Fenster und Türen
EP0371917B1 (fr)	1992-12-16	Cadre de couronnement pour canal de drainage
EP3790732B1 (fr)	2021-09-22	Procédé de fabrication d'une semelle de chaussure, en particulier de chaussure de sport
DE2729128A1 (de)	1978-01-19	Quaderfoermiges bauelement und aus solchen bauelementen errichtetes mauerwerk
DE4402281A1 (de)	1995-08-10	Verfahren und Vorrichtung zum Herstellen von Beton-Pflastersteinen
DE3037177A1 (de)	1982-04-29	Vorrichtung zum bilden einer ausnehmung in betonfertigteilen o.dgl.
WO1998006911A1 (fr)	1998-02-19	Element de coffrage et construction d'un mur au moyen de tels elements de coffrage
EP1642698A2 (fr)	2006-04-05	Procédé et appareil pour produire une section d'un conteneur en forme de boîte
DE2801149A1 (de)	1979-07-19	Verfahren zur herstellung von verbundprofilen, insbesondere fuer fenster und tueren sowie nach diesem verfahren hergestelltes verbundprofil
EP1849927B1 (fr)	2009-09-02	Elément de coffrage
DE69200349T2 (de)	1995-02-16	Werkzeug zur herstellung von fertigbauteilen aus beton.
DE202007010508U1 (de)	2008-12-11	Seilschlaufenkasten
EP0139215B1 (fr)	1987-12-02	Coffrage à éléments mobiles pour pièces préfabriquées en béton
EP0738661A1 (fr)	1996-10-23	Palette en matière plastique, procèdè et dispositif pour sa fabrication
DE2916005C2 (de)	1981-05-27	Formstück für die Erzeugung von Aussparungen an der Oberfläche von Beton-Bauteilen bei deren Herstellung
CH718328A2 (de)	2022-08-15	Abschalleiste, Überdeckungsabschalung, Abschalungselement, Schalungsanordnung, Verfahren zum Aufbau einer Schalungsanordnung und Verfahren zum Herstellen einer Abschalleiste.
CH718329A2 (de)	2022-08-15	Abschalleiste, Überdeckungsabschalung, Abschalungselement, Schalungsanordnung, Verfahren zum Aufbau einer Schalungsanordnung und Verfahren zum Herstellen einer Abschalleiste.
WO2003097957A1 (fr)	2003-11-27	Ecarteur pour elements de coffrage
WO1999007958A1 (fr)	1999-02-18	Espaceur
DE3232576C2 (fr)	1992-03-26
DE2334046C3 (de)	1977-11-24	Form zum Herstellen von Betonformteilen mit mindestens einem in Längsrichtung verlaufenden Hohlraum
DE8501877U1 (de)	1986-08-14	Als Schalung ausgebildetes Bauelement
DE69222009T2 (de)	1998-01-08	Mit Mörtel ausfüllbarer Verbindungskörper für Bewehrungsstäben
EP1676684B1 (fr)	2010-12-15	Procédé de production d'un bloc de construction
EP0246647A2 (fr)	1987-11-25	Elément de construction

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