EP0039384B1 - Coffrage perdu pour poutres de ceinture, bords de plancher et/ou linteaux - Google Patents

Coffrage perdu pour poutres de ceinture, bords de plancher et/ou linteaux Download PDF

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Publication number
EP0039384B1
EP0039384B1 EP81100779A EP81100779A EP0039384B1 EP 0039384 B1 EP0039384 B1 EP 0039384B1 EP 81100779 A EP81100779 A EP 81100779A EP 81100779 A EP81100779 A EP 81100779A EP 0039384 B1 EP0039384 B1 EP 0039384B1
Authority
EP
European Patent Office
Prior art keywords
shape
metal clips
limb
layer
lintels
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
EP81100779A
Other languages
German (de)
English (en)
Other versions
EP0039384A2 (fr
EP0039384A3 (en
Inventor
Reinhold Beck
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.)
Individual
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Individual
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Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6101658&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0039384(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT81100779T priority Critical patent/ATE4829T1/de
Publication of EP0039384A2 publication Critical patent/EP0039384A2/fr
Publication of EP0039384A3 publication Critical patent/EP0039384A3/de
Application granted granted Critical
Publication of EP0039384B1 publication Critical patent/EP0039384B1/fr
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B2005/322—Floor structures wholly cast in situ with or without form units or reinforcements with permanent forms for the floor edges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C2003/023—Lintels

Definitions

  • Ring beams or ring anchors on buildings, edges of ceilings and lintels and door lintels are manufactured in the usual way with wooden formwork, which is removed and, if necessary, reused after the concrete has hardened.
  • plaster supports in the form of plates in front of the plasterboard in such wooden formwork Pour the concrete in vertically.
  • plaster base plates consist, for example, of cement-bound wood wool.
  • plaster supports of this type which consist of multilayer boards, the layer facing the facade being capable of plastering, while the layer facing the concrete is a thermal barrier coating, such as polystyrene foam.
  • DE-A-2 005 642 describes assembly components for the production of hollow or jacket concrete walls from at least two thermal insulation boards with pocket-like recesses, into which spacers bent at an angle on one or two sides are pressed at their two ends. These mounting components have no means for attachment to a support and result in cold bridges, since the connecting web of the spacers is exposed and creates a distance between the thermal insulation panel and the element adjacent to it.
  • the object on which the invention was based was to obtain formwork for ring beams, ceiling edges and / or lintels which could be easily assembled and which did not result in cold bridges. This problem is solved by the lost formwork according to the invention.
  • This lost formwork for ring beams, ceiling edges and / or lintels with metal brackets with at least two sections arranged essentially perpendicular to one another and with multi-layer panels which have an outer layer of plaster base and at least one heat insulation layer and bores spaced apart from one another and perpendicular to their bearing surface and are dimensioned in this way, that in each case one section of one of the metal brackets can be fully inserted is characterized in that the multilayer plates have recesses in the area of the bores on their bearing surface, which have the height of the metal bracket thickness and open into the bores, and that a different section of the metal bracket each Has device for attaching this section to a support.
  • Such lost formwork can be installed quickly, since only the metal brackets are fastened at intervals from one another with the aid of the fastening device to the underlying support, such as masonry or roller shutter box, and then the multilayer panels with their holes or channels are pushed onto the vertical legs of the attached metal brackets Need to become.
  • the multi-layer panels which were also required in the previously used wooden formwork, but were only inserted there, thus also serve as formwork, which is kept at the required distance by means of the easy-to-install metal bracket and fastened to the masonry, roller shutter box or other supports underneath.
  • the metal brackets required as the only additional means according to the invention save time and manpower, wooden formwork and possibly external scaffold structures.
  • the metal brackets In order to avoid measuring the distances between the metal brackets, they can be inserted into the holes in the multilayer panels before fastening, whereupon the formwork assembled in this way is then fastened to the masonry or other supports underneath using the fastening devices on the metal brackets. If, on the other hand, you first want to attach the metal brackets to the support and then push on the multilayer plates, it is advisable to make the holes wider than the width of the metal brackets in order to get a play for the insertion of the metal brackets.
  • the multilayer boards are, for example, 2 m long in the usual way and for example 24, 30 or 36 cm wide.
  • the metal brackets which are usually made of steel, are attached to the masonry or the like, for example, at intervals of 30 cm corresponding to the spacing of the holes in the multilayer panels.
  • the multi-layer panels can only consist of an outer layer of plaster base, for example of cement-bound wood wool or the like, and a conventional thermal insulation layer, for example of polystyrene foam.
  • the thermal insulation layer usually has low strength, it is expedient to let the multilayer panels consist of at least three layers, of which the outer layers have mechanical strength and consist, for example, of cement-bonded wood wool, while at least one thermal insulation is located between these solid plaster base outer layers layer is located.
  • the bores spaced apart from one another are expediently provided in the middle thermal insulation layer.
  • the holes or channels are usually subsequently milled into this layer.
  • the fastening devices on the metal brackets can be designed differently. They expediently consist of at least one hole in the relevant leg of the metal bracket and a nail to be passed through this hole or a screw or rivet to be passed through the hole, the size of the holes being dimensioned such that the nails, screws or rivets do not slip through them can.
  • the lost formwork according to the invention is placed on a brick wall, it is easiest to nail the metal brackets to the masonry through the holes mentioned, while expediently screwing or riveting when placed on a roller shutter box or the like.
  • the metal brackets can have different lengths, widths and thicknesses.
  • the length of the entire metal bracket and the individual legs results from the usual construction standards.
  • the width and thickness of the metal brackets are chosen so that they give the formwork sufficient stability before concreting.
  • the metal bracket can be 2 to 10 mm thick and 20 to 100, such as 40 mm wide.
  • the shape of the metal bracket may vary slightly depending on the specific application within the scope of the features defined above.
  • the metal bracket can consist of solid material or thin-walled metal sheet stabilized by deformation, which saves material.
  • the metal brackets expediently have a U-shape with an essentially right-angled transition from the U-legs to the U-web which runs without a curvature, the fastening device being located in the U- Jetty is located.
  • the length of the U-web corresponds to the width of the wall minus twice the distance between the outer surface of the multi-layer panels and the holes in the multi-layer panels. If the multilayer panels are now pushed onto the metal bracket, their outer surfaces are flush with the wall surfaces.
  • the metal bracket suitably has a Z-shape with an essentially right-angled transition from the Z-legs to the Z-web, the Z-web and the two Z-legs being non-curved.
  • the fastening devices can be located in the Z-web and / or one of the Z-legs, since in this case a multilayer plate is only placed on the facade side of the wall and the metal bracket is therefore on the top of the masonry and / or on the Fixed side of the masonry as can be nailed.
  • U-shaped metal bracket is used for lost formwork, which is also used for the production of lintels or ring beams and ceiling edges arranged above them.
  • lost formwork which is also used for the production of lintels or ring beams and ceiling edges arranged above them.
  • lintels or ring beams and ceiling edges arranged above them.
  • such combinations above doors, windows or roller shutter boxes are required where the ceiling is to be made from reinforced concrete at a distance from the door opening or window opening or the roller shutter box, but as an integral unit with the lintels located under these openings or roller shutter boxes.
  • Metal brackets for this purpose have two U-legs of different lengths, the length of one U-leg essentially the height of the lintel or ring beam and the length of the other U-leg essentially the combined height of the lintel or ring beam and the ceiling above it corresponds.
  • an additional stabilizing agent which is detachably connected to the free end of the shorter U-leg and to the longer U-leg in the central region thereof is provided.
  • This additional web thus stabilizes the formwork by acting as a spacer between the free end of the shorter U-web and the longer U-web. After concreting, it can remain in the concrete or be removable and reusable. It is delivered as a separate part to make it easier to insert the reinforcement into the formwork.
  • a simple embodiment of this additional web is that it has a preferably hook-shaped pin at one end and a hole at the other end and that the shorter U-leg has a pin that can be inserted into the hole at its free end and the longer U-leg has a hole in its central area, into which the preferably hook-shaped pin of the additional web can be inserted and can be attached by pressing it down.
  • Such additional webs can also be used in the formwork according to FIG. 1a if the U-legs are longer, such as. B. from 24 cm to make additional stabilization appear appropriate.
  • the multilayer boards can have different structures and consist of different materials, but this is part of the prior art.
  • the lost formwork according to the invention shown in Fig. 1a consists of the three-layer multi-layer panels 1 and the U-shaped metal brackets 2, which are attached to the masonry 4 with the aid of a nail 3.
  • the U-shaped metal brackets which are shown in Fig. 1b and 1c, each have an uncurved U-web 5 and two also non-curved U-legs 6. In the middle of the U-web 5 there is a hole 7 through which the Nail 3 is passed through.
  • the structure of a preferred embodiment of the multi-layer panels 1 used in the lost formwork according to the invention is shown.
  • These consist of a plaster base outer layer 8, for example made of cement-bound wood wool, of a middle thermal insulation layer 9, for example of hard polystyrene foam, and an inner stabilizing layer 10, for example again of cement-bound wood wool.
  • Bores 11 are provided in the middle layer 9 and have been expediently milled into this layer.
  • the insulation layer 10 and the middle layer 9 have a recess 12 corresponding to the thickness of the metal bracket 5, each opening in the bore 11. In this way it is achieved that the outside of the multilayer board 1 sits flush on the masonry 4.
  • the formwork for room ceiling edge regions shown in FIG. 4a consists of Z-shaped metal brackets 13, the Z-legs 14 and 15 of which are connected to one another by the uncurved Z-web 16.
  • the Z-leg 15 there is a hole 17 as a fastening device, through which a nail 18 is passed and driven into the masonry 19.
  • the multilayer plates 1 are placed on the Z-legs 14.
  • a hole can also be provided in the Z-web 16, through which a nail or a screw or the like is likewise passed for attachment to the masonry 19.
  • FIGS. 5a to 5f is a modification of a lost formwork with U-shaped metal brackets of special design and for a special application. This formwork is used to create a lintel with overlying room cover.
  • the U-web 25 there is a hole 26 through which the rivet 21 is passed.
  • the U-leg 23 has a pin 27 which fits into a hole 28 of the additional web 29.
  • This web 29 has at its other end a hook-like pin 30 which can be inserted into a recess 31 of the longer U-leg 24 and can be locked behind the lower edge of the recess 31.
  • the higher multilayer plates 1 a in the area of the vertical bores 11 have lateral bores 32 which extend through the inner layer and the middle layer through to the vertical bores 11 and enlarge in the outer layer 8 such that the hook-like pin 30 behind the lower edge of the recess 31 can be hung.
  • the additional web 29 stabilizes the formwork in its lower Part for the production of the lintel, in its part lying above the additional webs 29 is used to produce the ceiling.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Moulding By Coating Moulds (AREA)

Claims (8)

1. Coffrage perdu pour poutres de ceinture, bords de planchers et/ou linteaux, comprenant des étriers métalliques (2, 13,22) comportant au moins deux parties sensiblement perpendiculaires (5, 6; 14, 16; 23, 25) et des plaques multicouches (1, 1a) comportant une couche extérieure support d'enduit, au moins une couche thermoisolante et des trous espacés (11) perpendiculaires à leur surface d'appui et de dimension telle qu'une partie (6, 14, 23 ou 24) d'un des étriers métalliques (2, 13, 22) puisse y être introduite entièrement, caractérisé en ce que les plaques multicouches (1, 1a) ont dans la zone des trous (11), sur leur surface d'appui, des évidements (12) dont la hauteur est égale à l'épaisseur des étriers métalliques et qui débouchent dans les trous (11), et en ce qu'une autre partie (5, 15, 25) des étriers métalliques présente des moyens (7, 3; 17, 18; 26, 31) de fixation de cette partie à un support.
2. Coffrage selon la revendication 1, caractérisé en ce que les plaques multicouches (1, 1a) sont constituées de trois couches, 1a couche centrale (9) étant la couche thermoisolante et présentant les trous espacés (11).
3. Coffrage selon l'une des revendications 1 ou 2, caractérisé en ce que les moyens (7, 3,17; 18; 26, 21) de fixation des étriers métalliques (2, 13, 22) comprennent des trous (7,17,26) faits dans la partie concernée (5, 15, 25) et des clous, vis ou rivets (3, 18, 21) pouvant être passés par ces trous.
4. Coffrage selon l'une quelconque des revendications 1 à 3 pour poutres de ceinture ou linteaux, caractérisé en ce que les étriers métalliques (2, 22) ont la forme d'un U avec raccordement à angle droit des branches (6, 23, 24) du U à l'âme (5, 25) et les moyens de fixation (7, 3; 26, 21) se trouvent sur l'âme.
5. Coffrage selon l'une quelconque des revendications 1 à 3 pour bords de planchers, caractérisé en ce que les étriers métalliques (13) ont la forme d'un Z avec raccordement à angle droit des branches (14,15) du Z à l'âme (16) et les moyens de fixation (17, 18) se trouvent sur l'âme (16) et/ou sur une des branches (15) du Z.
6. Coffrage selon la revendication 4 pour bords de planchers et linteaux ou poutres de ceinture, caractérisé en ce que les branches (23, 24) du U sont de longueur différente, la longueur de l'une étant égale à la hauteur du linteau ou de la poutre de ceinture et la longueur de l'autre (24) étant égale à la hauteur totale du linteau ou de la poutre de ceinture et du plancher.
7. Coffrage selon la revendication 6, caractérisé en ce que parallèlement à l'âme (25) du U est prévue une âme supplémentaire (29) jointe de façon détachable à l'extrémité libre de la branche courte (23) et à la branche longue (24) dans la partie médiane de celle-ci.
8. Coffrage selon la revendication 7, caractérisé en ce que l'âme supplémentaire (29) peut être accrochée par un trou (28) à un tenon (27) prévu à l'extrémité supérieure de la branche courte (23) et, par un tenon (30) de préférence du genre crochet, dans un trou (31) prévu dans la partie médiane de la branche longue (24).
EP81100779A 1980-05-05 1981-02-04 Coffrage perdu pour poutres de ceinture, bords de plancher et/ou linteaux Expired EP0039384B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81100779T ATE4829T1 (de) 1980-05-05 1981-02-04 Verlorene schalung fuer ringbalken, deckenraender und/oder stuerze.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803017192 DE3017192A1 (de) 1980-05-05 1980-05-05 Verlorene schalung fuer ringbalken
DE3017192 1980-05-05

Publications (3)

Publication Number Publication Date
EP0039384A2 EP0039384A2 (fr) 1981-11-11
EP0039384A3 EP0039384A3 (en) 1981-12-30
EP0039384B1 true EP0039384B1 (fr) 1983-09-28

Family

ID=6101658

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81100779A Expired EP0039384B1 (fr) 1980-05-05 1981-02-04 Coffrage perdu pour poutres de ceinture, bords de plancher et/ou linteaux

Country Status (3)

Country Link
EP (1) EP0039384B1 (fr)
AT (1) ATE4829T1 (fr)
DE (2) DE3017192A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2646681A1 (fr) * 1989-05-03 1990-11-09 Claude Jean Louis Dispositif de coffrage pour nez de dalles ou de planchers d'une construction
DE9005046U1 (fr) * 1990-05-03 1991-08-29 Josef Hain Gmbh & Co Kg, 8091 Ramerberg, De
DE4409782C2 (de) * 1994-03-22 1996-02-08 Dieter Schinhofen Verlorene Schalung zum Betonieren eines oberen Abschlusses einer Geschoß- oder Kniestockwand
CH688417A5 (de) * 1995-10-25 1997-09-15 Pecon Ag Schalungselement.
DE29715541U1 (de) * 1997-08-29 1999-01-07 Boesch Berndt Verlorenes Schalungselement
FR2802956B1 (fr) * 1999-12-22 2002-08-23 Claude Letulle Element de construction, notamment element de rive pour le coffrage peripherique d'une dalle en beton
DE102018110280A1 (de) * 2018-04-27 2019-10-31 Holzmann Gmbh & Co. Kg Gedämmtes Ringbalkenelement mit Ziegelblende
CN112376905B (zh) * 2020-11-27 2022-06-10 腾达建设集团股份有限公司 一种立柱钢模板的连接机构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1517244A (en) * 1922-10-12 1924-12-02 John J Sullivan Method of building construction
DE2005642A1 (de) * 1970-02-07 1971-08-12 Buchmann, Rudolf C , 6800 Mannheim Feudenheim Montagebauteile zur Herstellung von Hohl oder Mantelbetonwanden
DE2138920A1 (de) * 1971-08-04 1973-02-15 Willi Holzapfel Bauplatte fuer die bauindustrie
US3722849A (en) * 1971-11-05 1973-03-27 W Luyben Concrete form clip
DE2815080A1 (de) * 1978-04-07 1979-10-18 Vielberth Elementbeton Kg Schalkoerper
AT354686B (de) * 1978-08-09 1980-01-25 Kirchner Franz Dipl Ing Abstandhalter
FR2437473A1 (fr) * 1978-09-27 1980-04-25 Grosjean Claude Procede rapide de construction de murs exterieurs

Also Published As

Publication number Publication date
DE3017192A1 (de) 1981-11-12
EP0039384A2 (fr) 1981-11-11
EP0039384A3 (en) 1981-12-30
ATE4829T1 (de) 1983-10-15
DE3160985D1 (en) 1983-11-03

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