EP0086965B1 - Système de coffrage pour un plafond en béton contenant un sommier - Google Patents

Système de coffrage pour un plafond en béton contenant un sommier Download PDF

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Publication number
EP0086965B1
EP0086965B1 EP83100549A EP83100549A EP0086965B1 EP 0086965 B1 EP0086965 B1 EP 0086965B1 EP 83100549 A EP83100549 A EP 83100549A EP 83100549 A EP83100549 A EP 83100549A EP 0086965 B1 EP0086965 B1 EP 0086965B1
Authority
EP
European Patent Office
Prior art keywords
formwork
frame member
sheathing
side form
form element
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.)
Expired
Application number
EP83100549A
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German (de)
English (en)
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EP0086965A1 (fr
Inventor
Artur Schwörer
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.)
Peri SE
Original Assignee
Peri SE
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Filing date
Publication date
Application filed by Peri SE filed Critical Peri SE
Priority to AT83100549T priority Critical patent/ATE12807T1/de
Publication of EP0086965A1 publication Critical patent/EP0086965A1/fr
Application granted granted Critical
Publication of EP0086965B1 publication Critical patent/EP0086965B1/fr
Expired legal-status Critical Current

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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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/04—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
    • 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
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/40—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for coffered or ribbed ceilings
    • E04G11/46—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for coffered or ribbed ceilings of hat-like or trough-like shape encasing a rib or the section between two ribs or encasing one rib and its adjacent flat floor or ceiling section

Definitions

  • the invention relates to a system formwork for a concrete ceiling having a beam with side formwork elements for the side surfaces and with bottom formwork elements for the bottom surface of the beam, wherein a side formwork element has at least one support for the formwork skin.
  • the invention has for its object to develop a formwork element in a system formwork for a concrete beam having a beam that can be used both for the side surfaces of the beam and can also be used where a corner must be formed in the area of the beam, so For example, if another beam crosses the first beam, be it in the area of a concrete column or without such a column.
  • this object is achieved in that means for optionally form-fitting attachment of an additional support for at least one component of a formwork to be arranged on the front side of the formwork element are provided for formworking a corner of the beam on at least one support for the formwork skin of the side formwork element.
  • the component of an additional formwork fastened to the support can, in embodiments of the invention, consist of an end formwork arranged on the side formwork element. If a wall adjoining the joist has not yet been concreted up to the ceiling, the front formwork can form a section of formwork for a wall adjoining the joist. If the front formwork is used for formwork of a girder crossing the girder, this component of the formwork to be arranged on the end face of the side formwork element can have a horizontal formwork skin, for example also be formed by a lower formwork element for the lower surface of a girder. The bottom formwork element is then attached to the additional support together with the face formwork or separately from it.
  • the additional carrier and the formlining for the front formwork forms a prefabricated unit.
  • the additional carrier is first fastened to the carrier of the side formwork of the side formwork element on the fastening means provided, and the formwork skin for the front formwork is then fastened to the additional carrier.
  • the fastening means are arranged so that the effective distance of the additional support from the formwork surface of the side formwork element is equal to the effective distance of the support from the plane of the face formwork.
  • the fastening means can be arranged such that the distance of the longitudinal center plane of the additional carrier from the side of the formwork skin of the side formwork facing away from the formwork surface, which is fastened to the carrier of the side formwork element, is equal to the distance that this carrier of the Has side formwork element from the adjacent end of the formlining attached to it.
  • the last-mentioned dimension can also be smaller by the thickness of the formwork skin if the formwork skin of the side formwork element overlaps the end of the forehead formwork. It is assumed that the formlining for the side surface of the beam has the same thickness as the face formwork of the side formwork element.
  • the means for the optional, form-fitting fastening of the additional carrier can be designed in various ways in embodiments of the invention.
  • bolts can be fastened to the additional carrier, which fit into bores which are provided in the carrier of the side formwork element. This is particularly suitable for those embodiments in which the dimension which the cross section of the carrier has at right angles to the formlining is relatively large. If the beam has a rectangular hollow profile, the bolts align in the mutually aligned bores provided in the two mutually parallel side surfaces of the beam, so that the face formwork is also precisely aligned.
  • the dimension of the beam is perpendicular to that Side formwork is not large enough to provide such bores in the girder itself, in one embodiment of the invention these bores are provided on at least one extension projecting beyond the side of the girder facing away from the formlining.
  • the distance of the holes from the side formwork can be chosen as large as desired with a suitable choice of the dimension of the extensions, for example, so large that the distance dimension of these holes from the side formwork corresponds to the distance dimension of the central plane of the beam from the end of the side formwork.
  • the extensions can be formed by a strip which is fastened, in particular welded, to the side of a carrier of the side formwork element which has a rectangular profile. These strips can also be welded to both sides of the side surface of the rectangular profile of the carrier, so that in turn two mutually aligned bores are available for the bolts of the additional carrier. Also, in embodiments of the invention, instead of two individual strips, a U-profile can be provided, the yoke of which is fastened to the side of the rectangular profile of the girder of the side-formwork facing away from the side formwork, the aligned holes for the again in the legs of the U-profile Bolts of the additional support are provided.
  • the object of the invention can also be achieved in that instead of means for selectively positively fastening an additional support, this additional support is permanently attached to the side formwork element, for example by welding or by a screw connection which the additional support remains with over several uses of the formwork element connects the support of the side formwork element.
  • the additional support can in turn support the formlining on the end face of the side formwork element and / or a bottom formwork element for a beam running transversely to the longitudinal axis of the side formwork element.
  • the additional support can also be permanently attached in such an arrangement that the effective distance of the additional support from the formwork surface of the side formwork element is equal to the effective distance of the support from the plane of the face formwork.
  • the four side formwork elements forming a crossing of two beams do not all have to run in the same longitudinal direction, but one or two of these elements can also be arranged transversely to the longitudinal direction of the other elements.
  • Embodiments with permanent attachment of the additional carrier can be realized, for example, in that in the aforementioned embodiments, in which the additional carrier has bolts, which engage in holes either in the carrier of the side formwork element or in extensions fastened to the side formwork element, which are used for bolts on the carrier of the side formwork element or in its holes or on the extensions mentioned.
  • the beam formwork shown in FIG. 1 in the assembled state has two side formwork elements 1 and 2 of identical design, which are arranged in parallel and at a distance from one another and between which a formwork element 3 for the formwork of the underside of the beam is arranged.
  • the side formwork elements 1 and 2 each have four spaced-apart supports, which consist of a vertical leg 4 and a short leg 5 protruding at right angles at its upper end, the legs 4 and 5 having the cross section of a rectangular hollow profile.
  • the legs 4 and 5 have a miter cut at their connection point, they are welded together there.
  • the vertical leg 4 carries on its side facing the joist a formwork 6 for formwork of the side surface of the joist.
  • the short leg 5 pointing away from the beam has on its top a formlining 7, which is used for formwork of the ceiling section adjacent to the beam.
  • the ends of the legs 5 facing away from the beam are connected to one another by a strip 8.
  • cutouts 9 are provided in the vicinity of its end adjacent to the strip 8, by means of which the side formwork element is hung on a ceiling support or a drop head of a drop head support.
  • the formlining 6 extends from the top down so far that this surface is sufficient for formwork of the side walls of the usual beams.
  • a formwork section or a lining 10 is provided below the formwork skin 6 in the region of the legs 4 and has the same thickness as the formwork skin 6 and the width of the surface of the support leg 4 facing the formwork skin.
  • the vertical formwork skin 6 and the horizontal formwork skin 7 project laterally beyond the legs 4, 5 of the beams by approximately half the distance between two adjacent beams 4 and 11.
  • a lower formwork element 3 is arranged, the egg NEN frame 12 having a vertical frame surface, which is welded together from frame legs having a rectangular profile in cross section and whose rectangular sides have a different length.
  • the frame 12 has bores 13 and the carrier leg 4 bores 14.
  • the frame 12 is fastened to the carrier leg 4 with the aid of bolts, not shown, which penetrate the bores 13 and 14 and the strip 10.
  • a formwork skin 15 is attached, which is used to form the lower surface of the beam.
  • the side formwork elements 1 and 2 are rigidly and rigidly connected to one another by the frame 12 and the bolts passing through the frame and the carrier legs 4.
  • the carrier legs 4 have tab-shaped extensions 16 which are welded to a side surface of the carrier leg 4 which is perpendicular to the formlining 6 and which have a bore 17 and are arranged at a distance from one another along the carrier leg 4.
  • tab-shaped extensions 16 are welded to a side surface of the carrier leg 4 which is perpendicular to the formlining 6 and which have a bore 17 and are arranged at a distance from one another along the carrier leg 4.
  • two such extensions 16 are shown, in Fig. 4, the extensions 16 are attached to the two side surfaces of the support leg 4.
  • the diameter of section 23 is dimensioned such that it fits into the bores 17 so that the annular shoulder at the transition between the section with the larger diameter 22 and the section 23 with the smaller one Diameter bears against the edge of the bore 17.
  • a recess is provided which extends through the bolt and into which a wedge 31 can be driven, so that the annular end face of the wider bolt section 22 is pressed against the outer surface of the extension 16.
  • the formwork skin 20 forms the face formwork 20 running at right angles to the formwork skin 6.
  • the face formwork 20 can form the side formwork 6 in the in Fig. 4 shown overlap.
  • the bolts 21 are welded in the longitudinal center plane of the side of the rectangular profile of the carrier 18 facing away from the formlining 20.
  • bracket 18 When the bracket 18 is secured in the bores 17, its upper end is flush with the upper surface of the horizontally extending bracket leg 5 and its lower end may be flush with the lower end of the bracket leg 4.
  • the distance 24 of the axis 25 of the bolt 21 from the inner surface 26 of the side formwork 6 is equal to the distance of the longitudinal center plane 27 of the support leg 4 from the end face 28 of the side formwork 6.
  • the end formwork can This side formwork element can be used for the formwork of the side surface of the joist if an element is required whose formwork length on the joist is shorter than the normal length of the side formwork element 1.
  • the side formwork element designed in this way can therefore not only be used to form corners, but also as a short compensating piece can be used for the formwork of the side wall of its beam. Any remaining gaps are compensated for by compensating pieces that are smaller than the dimension of the length of the carrier legs 5.
  • the embodiment according to FIG. 4 differs from the embodiment according to FIG. 1 in that 4 extensions 16 and 29 are welded onto both side surfaces of the carrier leg and the axis of the bores in these two extensions are aligned with one another.
  • the bore 30 in the extension 29 can correspond to the diameter of the bolt section 21, the bore 17 in the extension 16 to the diameter of the bolt section 23.
  • the bolt 21 and thus the face formwork are aligned in the bores 17 and 30.
  • the carrier legs 4 and the carrier 18 can also have a U-profile instead of a rectangular hollow profile, the open side of the U-profile facing the formwork surface and the interior of the profile being filled with a wooden strip, so that the formlining 20 on it Wooden bar can be nailed on.
  • FIG. 2 shows the horizontally extending support legs 5 and the upper surface of the strip 8 connecting the two legs 5 to one another.
  • the side formwork elements shown in FIG. 2 have only two supports 4, 5 .
  • the slab formwork adjoining the not shown formlining 7 is supported by wooden lattice girders 32 which are attached to the drop head of a support, of which the cover plate 34 is shown in FIG. 2, which also supports the slab even when the drop head is lowered.
  • frames 35 corresponding to the frame 12 are fastened with the aid of bolts 33 (FIG. 3) which penetrate the frame legs and the vertical supports 18 and the formlining 20 or a corresponding lining.
  • the frame 12 of the corresponding sub-formwork elements arranged in the cross beam that extends transversely thereto are fastened in the carrier leg 4 in the same way.
  • the area in which the beams penetrate can be replaced by a permanent support, e.g. B. Concrete column. be supported.
  • the side form element 2 is arranged parallel to the side form element 1.
  • two elements 40, 41 of the elements 40 to 43 formworking the intersection are arranged such that these longitudinal axes run transversely to the longitudinal axes of the elements 42 and 43. If a side formwork element 45 running parallel to the element 42 cannot connect to the element 40 on the left in FIG. 5 without a space, this space is bridged by a special compensating piece 44 or merely by a formlining at the top and on the side.

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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)

Claims (16)

1. Système de coffrage pour un plafond à béton contenant un sommier, comprenant des éléments de coffrage latéraux pour les faces latérales du sommier et des éléments de coffrage inférieurs pour sa face inférieure, système dans lequel un élément de coffrage latéral présente au moins un support pour la feuille de coffrage, caractérisé en ce que, pour le coffrage d'un coin en projection horizontale du sommier, des moyens (16, 17, 21) de fixation à liaison de forme d'un support supplémentaire (18) sont prévus sur au moins un support (4, 5) de la feuille de coffrage (6) de l'élément de coffrage latéral (1 ) pour au moins un élément constitutif (20, 33) d'un coffrage à agencer sur le côté frontal de l'élément de coffrage latéral.
2. Coffrage suivant la revendication 1, caractérisé en ce que le support supplémentaire (18) supporte la feuille de coffrage (20) sur le côté frontal de l'élément de coffrage latéral (1 ).
3. Coffrage suivant l'une des revendications 1 et 2, caractérisé en ce que le support supplémentaire (18) supporte un élément de coffrage inférieur pour un sommier disposé transversalement à l'axe longitudinal de l'élément de coffrage latéral (1).
4. Coffrage suivant la revendication 2, caractérisé en ce que le support supplémentaire (18) et la feuille de coffrage (20) du coffrage frontal forment une unité préfabriquée.
5. Coffrage suivant l'une des revendications précédentes, caractérisé en ce que les moyens de fixation sont agencés de façon que la distance effective entre le support supplémentaire (18) et la face de coffrage de l'élément de coffrage latéral est égale à la distance effective entre le support (4, 5) et le plan du coffrage frontal (20).
6. Coffrage suivant la revendication 5, caractérisé en ce que les moyens de fixation sont agencés de façon que la distance entre le plan médian longitudinal (25) du support supplémentaire (18) et la face (26), opposée à la face de coffrage, de la feuille de coffrage (6), qui est fixée sur le support (4, 5) de l'élément de coffrage latéral, est égale à la distance entre le plan médian longitudinal (27) du support (4, 5) de l'élément de coffrage latéral et l'extrémité voisine (28) de la feuille de coffrage (6).
7. Coffrage suivant l'une des revendications précédentes, caractérisé en ce que les moyens de fixation présentent, le long de l'aile de support (4) de l'élément de coffrage latéral, des perforations agencées à une certaine distance l'une de l'autre et en ce que le support supplémentaire (18) présente des axes (21) qui sont agencés à la même distance l'un de l'autre et qui s'adaptent dans ces perforations.
8. Coffrage suivant la revendication 7, caractérisé en ce que les perforations (17) sont prévues dans au moins un prolongement (16) qui fait saillie au-delà du côté opposé à la feuille de coffrage (6).
9. Coffrage suivant la revendication 8, caractérisé en ce que des pattes qui font saillie au-delà de la face, opposée à la feuille de coffrage (6), de l'aile de support (4) et qui portent les perforations (17), sont fixées sur une face latérale, disposée perpendiculairement au coffrage latéral (6) et parallèlement au coffrage frontal (20), d'une aile de support (4) présentant un profil rectangulaire de l'élément de coffrage latéral.
10. Coffrage suivant la revendication 9, caractérisé en ce que sur les deux faces latérales sont fixés des prolongements (16) qui font saillie au-delà de la face opposée à la feuille de coffrage (6) et portent des perforations (17, 30) dont les axes sont en alignement.
11. Coffrage suivant la revendication 8, caractérisé en ce que sur la face, opposée à la feuille de coffrage (6), de l'aile de support (4) est fixée l'âme d'une barre à profil en U dans les ailes de laquelle les perforations sont prévues pour recevoir les axes du support supplémentaire.
12. Système de coffrage pour un plafond en béton contenant un sommier, comprenant des éléments de coffrage latéraux pour les faces latérales du sommier et des éléments de coffrage inférieurs pour sa face inférieure, système dans lequel un élément de coffrage latéral présente au moins un support pour la feuille de coffrage, caractérisé en ce que, pour le coffrage d'un coin en projection horizontale du sommier, un support supplémentaire (18) est fixé de manière non détachable sur au moins un suport (4, 5) de la feuille de coffrage (6) de l'élément de coffrage latéral (1) pour au moins un élément constitutif (20, 33) d'un coffrage à agencer sur le côté frontal de l'élément de coffrage latéral.
13. Coffrage suivant la revendication 12, caractérisé en ce que le support supplémentaire (18) supporte la feuille de coffrage (20) sur le côté frontal de l'élément de coffrage latéral (1 ).
14. Coffrage suivant l'une des revendications 12 et 13, caractérisé en ce que le support supplémentaire (18) supporte un élément de coffrage inférieur (3) d'un sommier disposé transversalement à l'axe longitudinal de l'élément de coffrage latéral (1).
15. Coffrage suivant l'une des revendications 12 à14, caractérisé en ce que le support supplémentaire (18) est agencé de façon que la distance effective entre le support supplémentaire (18) et la face de coffrage de l'élément de coffrage latéral soit égale à la distance effective entre le support (4, 5) et le plan du coffrage frontal (20).
16. Coffrage suivant la revendication 15, caractérisé en ce que le support supplémentaire (18) est fixé sur au moins un prolongement (16) qui fait saillie au-delà du côté, opposé à la feuille de coffrage (6), du support (4).
EP83100549A 1982-02-03 1983-01-22 Système de coffrage pour un plafond en béton contenant un sommier Expired EP0086965B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83100549T ATE12807T1 (de) 1982-02-03 1983-01-22 Systemschalung fuer eine einen unterzug aufweisende betondecke.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3203585A DE3203585C2 (de) 1982-02-03 1982-02-03 Schalung für eine Unterzüge aufweisende Betondecke
DE3203585 1982-02-03

Publications (2)

Publication Number Publication Date
EP0086965A1 EP0086965A1 (fr) 1983-08-31
EP0086965B1 true EP0086965B1 (fr) 1985-04-17

Family

ID=6154659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83100549A Expired EP0086965B1 (fr) 1982-02-03 1983-01-22 Système de coffrage pour un plafond en béton contenant un sommier

Country Status (4)

Country Link
EP (1) EP0086965B1 (fr)
AT (1) ATE12807T1 (fr)
DE (1) DE3203585C2 (fr)
ES (1) ES519473A0 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113187226B (zh) * 2021-05-08 2022-04-08 厦门泰睿坤建设工程有限公司 一种用于横梁浇筑成型的模板结构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE504330A (fr) *
FR1408912A (fr) * 1964-07-09 1965-08-20 Coffrage de poutres
DE2363748C3 (de) * 1973-12-21 1978-04-27 Peri-Werk Artur Schwoerer Kg, 7912 Weissenhorn Eckverbindung für Querriegel zur Bildung einer Eckschalung

Also Published As

Publication number Publication date
ES8401172A1 (es) 1983-11-16
ATE12807T1 (de) 1985-05-15
DE3203585C2 (de) 1984-09-27
EP0086965A1 (fr) 1983-08-31
DE3203585A1 (de) 1983-08-11
ES519473A0 (es) 1983-11-16

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