EP0258338A1 - Pieces de fixation pour structures coffrees en beton - Google Patents

Pieces de fixation pour structures coffrees en beton

Info

Publication number
EP0258338A1
EP0258338A1 EP87901414A EP87901414A EP0258338A1 EP 0258338 A1 EP0258338 A1 EP 0258338A1 EP 87901414 A EP87901414 A EP 87901414A EP 87901414 A EP87901414 A EP 87901414A EP 0258338 A1 EP0258338 A1 EP 0258338A1
Authority
EP
European Patent Office
Prior art keywords
element according
fastening element
plate
fastening
grooves
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.)
Ceased
Application number
EP87901414A
Other languages
German (de)
English (en)
Inventor
International S.A. Ipa-Isorast
Edmond Dominique Krecke
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.)
Ipa-Isorast International SA
Original Assignee
Ipa-Isorast International SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19863601878 external-priority patent/DE3601878A1/de
Application filed by Ipa-Isorast International SA filed Critical Ipa-Isorast International SA
Publication of EP0258338A1 publication Critical patent/EP0258338A1/fr
Ceased legal-status Critical Current

Links

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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
    • E04B1/163—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with vertical and horizontal slabs, only the vertical slabs being partially cast in situ
    • 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
    • E04B2002/867—Corner details

Definitions

  • the invention relates to a fastening element for formwork and heat insulation components made of rigid foam, in particular for the shell-concrete construction method.
  • a fastening element for formwork and heat insulation components made of rigid foam in particular for the shell-concrete construction method.
  • large-format formwork elements made of rigid foam are used in the shell-concrete construction method, which are provided on their edges with grooves and tongues for securing the position and after installation in association with Be poured out of concrete.
  • connecting elements are used in a known manner between the side walls, which snap into place on the inside of the side walls, for example in the form of tongue and groove connections, or are also glued.
  • the invention is accordingly based on the object of providing a fastening element for formwork and heat insulation components made of rigid foam which can be used universally, avoids fire and cold bridges and is inexpensive and simple to manufacture.
  • the formwork elements themselves should be improved and supplemented.
  • the invention is based on a fastening element of the type mentioned Ar-t and is marked by a plate which can be fixed to the component made of rigid foam and which is provided with further fastening means.
  • panels according to the invention enable a large-area connection to the surfaces of formwork and heat insulation components made of rigid foam, a large number of common and different fastening means then being used Determination of the plates and thus the rigid foam components on other structures in a simple manner.
  • Component made of rigid foam can be provided with corresponding locking means, which are expediently formed, for example, by spaced-apart, continuous grooves in one part, for example the plate, and corresponding webs in the other part, for example in the component made of rigid foam.
  • the cross section of the grooves can be complementary to the cross section of the webs remaining between two adjacent grooves.
  • the grooves are expediently designed to be enlarged at their base.
  • the continuous grooves and webs enable the plates and their fastening elements to be moved and thus placed in any position.
  • the cross-sectional shape of the grooves and webs should be dimensioned such that the frictional forces that occur prevent unintentional shifting even when shaken or when a concrete jet hits the concrete.
  • the plate can have any shape, but is advantageously designed in the form of a plate and has on its rear side facing away from the component made of rigid foam the respective fastening means which are attached to, on or on a rear shaft of the plate. are arranged. Concrete is used in particular as the production material for the plate and the shaft, so that the fastening element later forms a piece with the filled in-situ concrete of the formwork elements. A weakening of the concrete wall with regard to a fire breakdown is thus avoided.
  • one or more binding wires can be anchored in the shaft, which enable a tensile connection to neighboring components.
  • the Eefestigunqsstoff can also be designed in the form of an anchored, straight or deformed rod in the shaft.
  • the rod can be a round or flat rod.
  • a deformed rod can, for example, form a hook or an open or closed eyelet.
  • a threaded nut or a threaded rod can be fixed in the shaft.
  • attachment to or by means of any other parts, for example angles, perforated bands or the like, can then be carried out, it also being possible to set the distances using the threads.
  • the shaft is expediently provided with at least one and preferably two adjacent, circumferential ones
  • two plates are combined into a pair via a deformable connecting piece.
  • Straight steel rods of different lengths enable the production of connecting pieces for the side walls of formwork elements with any internal width. Concrete walls of the desired thickness, also deviating from standard dimensions, can thus be easily realized become.
  • the connecting piece can also be shaped such that the plane of the two plates forms a desired angle to one another, for example an angle of 90 ° for the connection point between an outer wall and a vertically opening inner wall. Other angles allow the connection of ledges.
  • a ceiling closure can be achieved in a particularly expedient manner by embedding the rod in the concrete of the stone lying under the ceiling.
  • An elongation of the rod on the other side of the shaft, angled towards the plate, facilitates the removal of ceiling elements in the manner of an insertion funnel. This will be explained in more detail below using the drawings.
  • a large number of plates can also be combined with a common connecting element, for example when a special course, for example an arch in a wall, is to be realized.
  • a special embodiment of the invention provides a formwork element made of hard foam for the shell-concrete construction with side walls which have grooves arranged at the same distance from one another, running from top to bottom and distributed over the entire inner surface of the side walls, one between the sides walls arranged plate made of rigid foam is provided on the edges adjacent to the side walls with webs which correspond to the grooves. This allows any height shift of the plate in the grooves, and it can be done independently of the
  • the plate that forms the floor in the formwork element and determines the height of, for example, the girder or the lintel, can also be the cover of a roller shutter box. which is arranged under a keystone.
  • End walls arranged between the side walls of the formwork element and provided with webs and corresponding to the grooves in the side walls can accommodate roller shutter anchors for mounting a roller shutter, the anchors having anchoring parts which protrude through the end walls and are to be embedded in the concrete of the neighboring elements to be filled.
  • the fastening, formwork and thermal insulation elements according to the invention enable a very flexible use of the sheathed concrete construction, whereby even complicated shapes can be produced quickly and safely and in a reproducible manner.
  • the formwork elements are manufactured with predetermined locking dimensions and the grooves and webs within the formwork elements have a predetermined, smaller grid, it can be built without a grid, because both abutting walls and corners do not have to adhere to the grid, as they do will be explained. Free-standing surfaces of formwork elements made of ⁇ .ar-t-foam can be secured with the aid of the fastening elements according to the invention in such a way that no deformations occur even when filling high walls. Because of the height-adjustable fastening elements and floor or ceiling panels made of hard foam between the side walls, any heights between the standard or grid dimensions of formwork elements can also be achieved.
  • FIG. 1 to 5 show exemplary embodiments for fastening elements according to the invention, which are arranged on the grooved inside of a formwork component made of rigid foam; 6 to 19 the use of fastening elements according to the invention with a number of different wall shapes and with different functions; 20 shows schematically the bracing of a
  • Wall made of formwork elements for storm protection; 21 shows a ceiling-wall connection using 5.
  • components according to the invention; 22 shows a height-displaceable floor of a formwork element as an exemplary embodiment of the invention.
  • 1 to 5 each schematically show a section of a formwork component 1 made of rigid foam for the shell-concrete construction, on which fastening elements 2 according to the invention are arranged.
  • the formwork components 1 have parallel grooves 3 and springs 5 with an undercut and symmetrical, rounded profile.
  • a plate-shaped plate 6 of the fastening element 2 is also equipped with continuous grooves 7 and springs 8, the same shape and size as the grooves 3 and 4 of component 1.
  • the fastening element can be brought to a desired height after insertion into the grooves and tongues.
  • the plate-shaped plate 6 of the fastening element 2 has a shaft 9 which, together with the plate 6, is made in one piece from concrete.
  • the shaft 9 has two circumferential grooves 10, in d, i.e. A.rm istsst.a..b. eu / nldageBegfeessitcingeurntg ⁇ setienigeleßrac.ht. can, for example, a horizontal and a vertical rod. (Not shown). .
  • fastening means are fixed in the shaft 10, for example anchored by pouring, or also glued in. 1 to 5 show examples of such fasteners, namely one
  • Hook 11 made of structural steel, for example with a diameter of 10 mm in Fig. 1, a closed eyelet 12 in Fig.2, a threaded nut 13 with screw 14 for attachment an angle 15 in FIG. 3, a threaded rod 16 in FIG. 4 and binding wires 17 in FIG. 5.
  • the hook 11 in FIG. 1 which is shown rotated by 90 ° for illustration purposes, lies down with its slightly outwardly projecting end for example into one of the grooves 10 of a further fastening element 2 and pulls it towards itself when the hook 11 with its plate 6 is pressed down in the grooves 3.
  • the angle 15 has elongated holes 15a in its two legs, so that adaptable displacements are possible. 4a schematically explains how with
  • connecting rods 18 of different lengths which can also be realized using threaded rods according to the exemplary embodiment in FIG. 4, connecting webs for formwork elements of any width can be produced.
  • Fig. '6 schematically shows the construction of a corner Mauer ⁇ using a fastening element according to the invention.
  • the inner walls of two formwork components 1 made of rigid foam are cut so that d ate a continuous concrete corner after filling with
  • a connecting web 20 with connecting plates which can be designed in the same way as the plate-shaped plates 6 according to FIGS. 1 to 5 and with a one-piece connecting shaft made of concrete between the plates, ensures the distance between the inside - And outer wall of the upper formwork component 1.
  • FIG. 7 shows the junction parts, for example, of an inner wall (horizontal) into an outer wall (vertical).
  • the inner surface of the formwork component 1 of the outer wall is provided with a cutout into which the formwork component 1 of the inner wall projects.
  • a connecting web 20 secures the formwork component 1 of the inner wall in the cutout of the outer wall and simultaneously provides the Connection point for a fastening element 2 with hook 11 as shown in FIG. 1.
  • any connection between the inner and outer wall is possible regardless of the grid Lich, because the formwork component 1 of the inner wall can be arranged in the cutout of the outer wall.
  • FIG. 8 schematically shows a further exemplary embodiment of a corner similar to that in FIG. 6.
  • a fastening element 2 with hooks 11 instead of a fastening element 2 with hooks 11, however, a fastening element 2 with binding wires 17 according to FIG. 5 is used, which are fixed to a connecting web 20 .
  • the corner can be realized independently of the given grids, because the binding wires 17 allow any distance setting.
  • FIG. 9 shows a modification of the joint between the inner and outer wall according to FIG. 7.
  • the fastening element 2 is here also fixed to a further connecting web 20 with binding wires 17 according to FIG. 5. Any distance setting is then also possible here.
  • FIG. 10 shows a piece of wall with two corners which, in a modification of the exemplary embodiments according to FIGS. 6 and 8, have a pull wire 22 between two fastening elements 2, each with one or two binding wires 17.
  • FIG. 11 represents three further exemplary embodiments for realizing a wall corner.
  • the two outer walls of the formwork components 1 are secured against one another with a pair of fastening elements 2, which in accordance with the exemplary embodiment according to FIG. 3 are connected to one another via an angle 15.
  • An additional securing of the corner is carried out with two brackets 23 in the lower right in the
  • the brackets which are made, for example, of structural steel with a diameter of 8 mm, have diagonally angled ends 23a, with which they engage in grooves 10 of the fastening elements 2 or the connecting webs 20.
  • the inner walls of formwork components 1 are connected with two fastening elements 2, which are connected via a bent rod 19 made of structural steel.
  • the outer corner could additionally be secured according to FIG. 11.
  • a fastening element 2 with an eyelet 12 according to FIG. 2 is used to fix the outer wall of a formwork component 1.
  • FIG. 15 shows a non-positive connection between an outer wall (horizontal) and a confluent inner wall (vertical) similar to FIGS. 7 and 9.
  • two connecting webs 20 are pulled together with a steel bracket 23, which can also be replaced by a binding wire, and at the same time the opening inner wall is secured to a connecting web 20 with a fastening element 2 and a binding wire 17 according to FIG. 5.
  • 16 and 17 schematically show the realization of ledges of different inclinations, wherein a formwork plate 24 with a pair of fastening elements 2 is fixed to a formwork component 1 and the connection between the two fastening elements 2 takes place via a suitably curved rod 25, which can also be replaced by a perforated plate.
  • the ledge-side plate of the formwork element 1 is sawn out in the area of the fastening element 2 on the plate 24, so that a bond with the reinforced concrete (an additional reinforcing element 26 is shown in FIG. 16) of the wall can occur.
  • FIG. 18 shows how a fastening that can be set at a distance between two formwork panels of a formwork component 1 can be achieved with fastening elements 40 according to FIG. 3 or 4.
  • a wall arch is shown, which is composed of a number of arch-shaped formwork components 1, the Walls with fastening elements according to FIGS. 3 and 4 and a connecting sheet metal strip 27 provided with elongated holes are held in the correct and adjustable (see left corner) angle.
  • Fig. 20 shows schematically how one of a
  • tensioning cables 28 are fixed in the four corners on fastening elements 2.
  • the fastening elements with binding wires according to FIG. 5 can be used, or the tensioning cables 28, as is shown larger on the right in FIG. 20, are simply placed around the shaft 9, specifically in a groove 10.
  • a ceiling formwork termination is shown element 40, the element using a Befest Trents ⁇ 2 arranged as an embodiment of the invention, including on a leigenden Schalungsbauteil- »1, is.
  • the fastening element 2 has a connecting iron 29 made of structural steel, which protrudes into the concrete of the lintel 30 below or at other points of the ceiling 32 of a normal stone or other element.
  • the connecting iron is on a shaft 9 according to FIG. 1 to 5 and extended upwards by an angle 31. This serves as a run-in aid when inserting ceiling panels 32.
  • the connecting iron 29 springs, so that damage is avoided when inserted.
  • the plate 40 which is provided with grooves 3 and tongues 4 according to FIGS. 1 to 5, can be pulled out when inserting the blanket in order to also avoid damage. On
  • Reinforcement bar 33 which belongs to a ring anchor; is positioned in a groove 10 of the fastening element 2. After the space between the ceiling 32 and the plate 40 has been filled in, a continuous connection to the lintel or the normal wall is established and reinforced by means of the bend 31 to the component above.
  • the lintel 30 is down by a
  • Plate 34 limited, which is shown in more detail in Fig. 22.
  • the height of the camber stone 30 can be adjusted by moving the plate with the aid of a tongue and groove formation 3, 4 at its edges in the corresponding grooves 3 and tongues 4 of the shuttering component 1.
  • the reinforcement cage arranged in the camber stone 30 and formed from bars 35 can, as shown in FIG. 21, be higher than a standardized formwork component 1. Connecting webs 20 made of concrete and, if appropriate, also fastening elements 2 do not interfere with the reinforcement or reinforcement.
  • a roller shutter box is realized below the plate 34.
  • two end or end walls 36 arranged between the walls of the lowest formwork component 1 serving as a shutter box have in each case only a schematically illustrated bearing 37 for the ball bearing 38 of the shutter armor (not shown).
  • the bearing 37 extends with an anchor (not shown) through the end wall 36 into the free space of the next formwork component, which is then filled with in-situ concrete while fixing the anchor.
  • the height-adjustable wall 34 is therefore both the bottom of the lintel 30 and the lid of the roller shutter box.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

Pièces de fixation pour élément (1) de coffrage et d'isolation thermique, réalisé en mousse expansée rigide, en particulier pour les structures coffrées en béton, comportant une plaque (6) pouvant être fixée à l'élément (1) réalisé en mousse expansée rigide, ladite plaque étant pourvue de moyens de fixation continus (11). La plaque (16) est de préférence réalisée en béton et comporte un système à rainure/ressort (7, 8), qui coopère avec des rainures (3) et des ressorts (4) correspondants prévus dans l'élément (1), de sorte que la pièce de fixation (2) est fixée à l'élément (1) d'une manière permettant un réglage en hauteur.
EP87901414A 1986-01-23 1987-01-17 Pieces de fixation pour structures coffrees en beton Ceased EP0258338A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863601878 DE3601878A1 (de) 1985-02-13 1986-01-23 Befestigungselement fuer die mantelbetonbauweise
DE3601878 1986-01-23

Publications (1)

Publication Number Publication Date
EP0258338A1 true EP0258338A1 (fr) 1988-03-09

Family

ID=6292404

Family Applications (2)

Application Number Title Priority Date Filing Date
EP87200197A Pending EP0235843A1 (fr) 1986-01-23 1987-01-17 Pièce de fixation pour réaliser des murs par moulage dans des coffrages permanents
EP87901414A Ceased EP0258338A1 (fr) 1986-01-23 1987-01-17 Pieces de fixation pour structures coffrees en beton

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP87200197A Pending EP0235843A1 (fr) 1986-01-23 1987-01-17 Pièce de fixation pour réaliser des murs par moulage dans des coffrages permanents

Country Status (7)

Country Link
US (1) US4949515A (fr)
EP (2) EP0235843A1 (fr)
AU (1) AU6949287A (fr)
DK (1) DK498287A (fr)
FI (1) FI874131A (fr)
PT (1) PT84174A (fr)
WO (1) WO1987004478A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002002303A2 (fr) * 2000-06-30 2002-01-10 Owens Corning Procede de fabrication d'un isolant composite
WO2002002303A3 (fr) * 2000-06-30 2002-04-18 Owens Corning Fiberglass Corp Procede de fabrication d'un isolant composite
US6827894B1 (en) 2000-06-30 2004-12-07 Owens Corning Fiberglas Technology, Inc. Process for forming composite insulator

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AU6949287A (en) 1987-08-14
FI874131A0 (fi) 1987-09-22
WO1987004478A1 (fr) 1987-07-30
DK498287D0 (da) 1987-09-22
FI874131A (fi) 1987-09-22
PT84174A (pt) 1987-09-18
DK498287A (da) 1987-09-22
US4949515A (en) 1990-08-21
EP0235843A1 (fr) 1987-09-09

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