EP0281046B1 - Coffrage pour le coulage des parties de bâtiments - Google Patents

Coffrage pour le coulage des parties de bâtiments Download PDF

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Publication number
EP0281046B1
EP0281046B1 EP88102969A EP88102969A EP0281046B1 EP 0281046 B1 EP0281046 B1 EP 0281046B1 EP 88102969 A EP88102969 A EP 88102969A EP 88102969 A EP88102969 A EP 88102969A EP 0281046 B1 EP0281046 B1 EP 0281046B1
Authority
EP
European Patent Office
Prior art keywords
mould
sections
mould according
formwork
section
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 - Lifetime
Application number
EP88102969A
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German (de)
English (en)
Other versions
EP0281046A3 (en
EP0281046A2 (fr
Inventor
Peter Frei
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.)
FREI AND EGGER AG
Original Assignee
FREI AND EGGER 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.)
Filing date
Publication date
Application filed by FREI AND EGGER AG filed Critical FREI AND EGGER AG
Priority to AT88102969T priority Critical patent/ATE67818T1/de
Publication of EP0281046A2 publication Critical patent/EP0281046A2/fr
Publication of EP0281046A3 publication Critical patent/EP0281046A3/de
Application granted granted Critical
Publication of EP0281046B1 publication Critical patent/EP0281046B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/02—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for rooms as a whole by which walls and floors are cast simultaneously, whole storeys, or whole buildings

Definitions

  • the invention relates to a formwork with two formwork walls delimiting a casting space, which has a plurality of adjoining formwork panels, these support profiles supporting the formwork outer surface and stiffening elements.
  • a formwork of this kind is disclosed in DD-A-90 862 on the basis of a special construction for room formwork; a transverse profile made of several longitudinal parts is supported by means of a threaded rod which is rotatably screwed into a yoke of the transverse profile on the one hand and into a scissor member of a spreader rod having several joints on the other.
  • the latter is fixed between two wall formwork or in a special frame that also accommodates that cross section and is optionally provided with an additional scissor element instead of the yoke.
  • FR-A-2504 580 shows a formwork which is variable in length both in its vertical extent and in at least one horizontal direction.
  • CH-PS 574 553 describes formwork with formwork panels which are joined together with their angularly bent longitudinal edges and are fixed by wedges. These wedges engage in slots of perforated tabs of both formwork panels, which are arranged one above the other and, if necessary, pass through a double-perforated connecting tab.
  • the structure of this formwork is complicated and can only be used for certain purposes.
  • the inventor has set itself the goal of designing a generic formwork of the type mentioned at the outset in such a way that it is as versatile as possible in use and easy to use, particularly with regard to the adaptability of the formwork.
  • its stability should ensure safe concreting work.
  • the support profiles with detachable support sections can be provided in grid dimensions or a multiple thereof.
  • the ridge profile can also have support sections and a T-support connecting them to an end support piece.
  • the lower cross section is provided with axially interlocking tubular parts and extended by extension parts.
  • the ridge profile and / or the cross profile advantageously rests with end pins on the I-beams; these pins penetrate the inner flanges of the beams and are wedged against them.
  • This formwork according to the invention contains a ceiling shell in a manner known per se, since the side walls and ceiling of the building are to be cast simultaneously.
  • This ceiling shell rests on the one hand on the ridge profiles described, on the other hand on side profiles that run along the side walls of the formwork and rest on the I-beams.
  • the side profiles are connected to one another by corner pieces, which offer a wide contact surface for the ceiling shell and thus prevent any sagging in the corners.
  • the formwork panel is preferably provided with two swivel strips or swivel bolts, which are each articulated at a short distance from one of the side edges.
  • the distance to the side edge is dimensioned such that the pivoting strips can be pivoted in the installed position of the formwork panel over the flange of a vertical profile which is in contact with this and covers the impact caused by the adjacent side edges.
  • this vertical profile is provided with protruding locking pins which are received by locking recesses in the swivel strips and which then enable secure locking.
  • support profiles according to the invention are used, with two of these support profiles facing each other on both sides of the formwork and gripping vertically over the hollow profiles of the formwork panels.
  • These pairs of support profiles are each supplemented by - through the formwork - toggle bolts to form a ladder-like clamping part.
  • the I-beams form the base frame of the formwork and are at a relatively large distance from each other.
  • the support profiles hold the formwork panels at the two ends of their hollow profiles.
  • the vertical cover profiles are intended for closing the joints and locking the formwork panels, so they otherwise have no supporting function.
  • Protection is sought independently for arranging a lateral covering of the formwork, the core of which is formed by a clamping element which is placed on an outer flange of an I-beam and from which an articulated inclined support extends, which on the other hand or against an earth slope or the like. can be supported.
  • the clamping element has, as a clamping lock, two housing plates which overlap the outer flange on its side edges and in which one axially penetrating axle support which is fixedly connected at one end to a radial rotary lever is supported.
  • the housing plates are each provided with an internal cheek piece or the like. provided, which in the installed position abut the inner flange surfaces of the I-beam and which each have a movable clamping counterpart on the outer flange surface.
  • This is advantageously designed as an eccentrically mounted disc, which is firmly seated on that axle bolt and can be pressed onto the outer flange by its rotation or pulled away from the latter. So that a very simple and effective way of fastening the clamp lock is found.
  • the free end of the inclined support is equipped according to a further feature of the invention with a cross bolt, or the like at its two ends radial bores for receiving parts of an earth anchor. offers.
  • the side walls of a formwork 10 having a rectangular layout consist of an inner wall 11 and an outer wall 12 which is set up at a distance a (from here about 20 cm), both of which are supported by external I-beams 14 which are vertical in the installed position.
  • Fig. 1 right, further length examples - with a support section 14 d of length i4 of 25 cm - are shown.
  • These carrier sections 14 a to 14 d are covered at the top by head plates 18 and at the bottom by foot plates 17, which according to the enlarged section of FIG. 1 of a front view of the I-beam 14 project laterally from the latter.
  • the long top support section 14 a has at its upper end in the installed position an inwardly projecting cantilever plate 18 a , to which an edge of a vertically extending corner plate 19 a is welded, this is at another edge with the inner flange 15 of the I-beam 14 connected.
  • a common ridge beam 22 which has a base piece from here two beam sections 14 c and a connection section 23 for a T-beam 24.
  • the latter is screwed at the other end to a support piece 25 at 26 and can be replaced to change the length of the ridge support 22.
  • the adjustable length is determined by a grid dimension n of 25 cm.
  • the lower ends of the pair of I-beams 14 which can be seen in FIG. 1 are connected by a telescopic tree 30 comprising two tube pieces 30 a , 30 b which can be axially displaced into one another with supplementary tube pieces 30 c .
  • This telescopic tree 30 and the end-end supplementary pipe section 30 c have an axial pin 31 which extends through the inner flange 15 of the I-beam 14 and which is penetrated in a manner not shown on the inside of the inner flange 15 by an adjusting wedge.
  • Reinforcing plates 32 are welded to the square tubes of the telescopic tree 30 illustrated in FIG. 3 at the points where holes 33 are provided for a connecting bolt, not shown.
  • FIG. 1 right side, above, an adjacent formwork with its inner wall 11 n , its ridge beam 22 and a side beam 28 is indicated.
  • the ceiling shell resting on the latter is designated by 36.
  • Fig. 1 with the reference numerals 11 ⁇ , 14 ⁇ , 30 ⁇ , 34 ⁇ is an example in the grid and smaller in terms of height.
  • corner pieces 38 are provided between side beams 28 which are adjacent to one another at right angles, and an intermediate piece in the region of the future central wall 40 at 39.
  • Axially long tensioning elements 42 penetrate the formwork 10 on the latter.
  • formwork 10 can also be changed in a horizontal dimension in its horizontal extent is indicated by the formwork stages 10 ⁇ , 10 ⁇ in FIG. 2.
  • a cast concrete wall 41 with a cast-on ceiling 41 a is still surrounded by the formwork 10; Inner wall 11 and outer wall 12 are connected by knurled bolts 27, each of which carries a pair of threaded sleeves 27 a .
  • both the inner wall 11 and the outer wall 12 are composed of individual formwork panels 44, each of which carries on its lower edge 45 a parallel hollow profile 46, which forms the one at 45 Panel overlap.
  • the vertical side edges of the formwork panels 44 in the installed position are covered by a vertical special profile 48 made of light metal with an I-shaped cross-section, with pivoting strips 51 of the formwork panel 44 engaging over the pressure flange 49 of the special profile 48 in the installed position.
  • FIG. 5 shows a further support profile 52, which is pressed on the outside against the hollow profiles 46 of the formwork panels 44 and is penetrated by those pin bolts 27.
  • the total height of the inner wall 11 and outer wall 12 can be changed by using different formwork panels; 4, 5 a shortened formwork panel 44 a of a height h 1 can be seen, this height h 1 corresponds to approximately one third of the height h of the other formwork panels 44.
  • Vertical struts or support profiles 52 of this type can be extended telescopically; a connection point in this respect is shown in FIG. 6 with two outer hollow profiles 54, each of which is provided on the outside with a cover plate 55.
  • a cross-sectionally I-shaped inner support 56 partially encompasses those hollow profiles 54 up to their cover plate 55.
  • the inner carrier 55 and the two outer hollow profiles 54 are penetrated by a bolt 58.
  • Fig. 7 shows a single formwork panel 44 with its hollow profile 46, which runs parallel to the lower edge 45 and overlaps it. Near the upper edge 43 is fixed by means of a screw 60 that swivel strip or latch 51 which, thanks to at least one washer strip 59, runs at a distance e from the formwork surface and has an edge recess 61 which in Installation position is pivoted via bolts, not shown, of the pressure flange 49.
  • Fig. 10 shows the principle of a lateral support of the formwork 10 against an inclined slope H.
  • the inner flange 15 and outer flange 16 of the I-beam 14 are shown exaggerated here for reasons of better overview.
  • a clamping lock 66 is detachably connected to the outer flange 16.
  • a support profile 70 is pivotally connected by means of an axle bolt 68, which carries at its other end a holding pin 72 with two end bores 73.
  • the latter take up a U-bracket as an earth anchor, which is designated 74 in FIG. 10.
  • the length t of the support profile 70 here measures approximately 150 cm.
  • the clamping lock 66 has two outer housing plates 76, the inner distance of which corresponds to the flange width q, so that the outer flange 16 can be encompassed by the housing plates 76 connected by those axle bolts 68; Welded-on jaw webs 77 protrude from the inner sides of the housing plates 76 and serve as a stop for the outer flange 16.
  • Two circular disks 78 which are mounted eccentrically on that axle bolt 68, serve as the counter jaw, ie the disk center point M is a dimension y from the axis line A. of the axle pin 68 moved out. This makes it possible to clamp the outer flange 16 between the jaw web 77 and the eccentric disk 78 when the axle bolt 68 is turned by means of a handle 71.

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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)
  • Moulds, Cores, Or Mandrels (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Claims (11)

  1. Coffrage (10) comportant deux parois de coffrage (11, 12) délimitant un espace de coulée (20) qui comprend plusieurs panneaux de coffrage (44) adjacents, des poutrelles profilées (14) soutenant ceux-ci sur la face extérieure du coffrage, ainsi que des éléments raidisseurs (34),
       caractérisé
       en ce que les poutrelles profilées (14) verticales en position de montage, et comprenant des tronçons de poutrelles (14d; 14b; 14c) séparables et d'une longueur égale à la dimension modulaire (i₄) ou à un multiple de celle-ci, sont reliées par paires, à proximité de leurs extrémités supérieures et inférieures, par des profilés de faite ou des profilés transversaux (22, 30) conçus de façon à pouvoir être allongés de manière télescopique, pour constituer un cadre de hauteur variable selon la dimension modulaire et rigidifié par des éléments tendeurs (34) en diagonale, et en ce que le coffrage (10) est conçu de manière à être de longueur variable selon la dimension modulaire, aussi bien dans son étendue verticale que dans au moins une direction horizontale.
  2. Coffrage selon la revendication 1, caractérisé en ce que le profil de faîte (22) comporte des tronçons de poutrelles (14c) ainsi qu'une poutrelle en "T" (24) reliant celles-ci à une pièce-support d'extrémité (25).
  3. Coffrage selon la revendication 1 ou 2, caractérisé en ce que le profilé transversal inférieur (30) comprend des parties de tube (30a, 30b) s'engageant les unes dans les autres, et est prolongé par des embouts de prolongement (30c) sous forme de tube.
  4. Coffrage selon l'une des revendications 1 à 3, caractérisé en ce que le profilé de faîte (22) et/ou le profilé transversal (30) comportant des tenons d'extrémité (31) traversent/traverse les ailes intérieures (15) des profilés en "I" (14) et y sont/est fixé/s par des coins, et/ou en ce que les éléments tendeurs en diagonale (34) du plan du cadre viennent en prise avec des tôles d'ancrage (19, 19a) en forme de talon d'accrochage.
  5. Coffrage selon l'une des revendications 1 à 4, caractérisé en ce que sur les poutrelles en "I" (14) sensiblement alignées les unes sur les autres, d'une paroi de coffrage reposent des profilés latéraux (28) qui s'étendent perpendiculairement aux profilés de faîte (22) et supportent avec ceux-ci un coffrage de dalle de plafond (36), les profilés latéraux (28) étant, le cas échéant, reliés entre-eux au niveau des coins, par des pièces d'angle (38) constituant un appui pour le coffrage de dalle de plafond (36) .
  6. Coffrage selon l'une des revendications 1 à 5, caractérisé en ce que le panneau de coffrage (44) comporte sur un de ses bords longitudinaux (45), un profilé creux (46) chevauchant ce bord parallèlement, ainsi qu'au moins une languette pivotante (51) qui par un évidement d'encliquetage (61), peut se positionner par l'intermédiaire d'éléments d'encliquetage sur l'aile d'un profilé formant couvre-joint vertical (48), appliquée sur le panneau de coffrage.
  7. Coffrage selon l'une des revendications 1 à 6, caractérisé en ce que deux profilés d'étançonnement (52) disposés face à face de chaque côté du coffrage, chevauchant verticalement les profilés creux (46) et traversés ensemble par des boulons à écrous coulissants (27), constituent un ensemble de serrage en forme d'échelle pour le coffrage (10).
  8. Coffrage selon l'une des revendications 1 à 7, caractérisé en ce que sur l'aile extérieure (16) de la poutrelle en "I" (14) et/ou du profilé d'étançonnement (52) est fixé de manière amovible, un élément de serrage (66) pour un étançon incliné (70) qui y est articulé.
  9. Coffrage selon la revendication 8, caractérisé en ce que l'élément de serrage (66) comporte deux plaques de carter (76) qui s'engagent par-dessus l'aile extérieure (16) au niveau de ses bords longitudinaux, et qui s'appuient sur les faces intérieures de l'aile, chacune par l'intermédiaire d'un mors (77) ou analogue situé à l'intérieur et à chacune desquelles est opposé sur la face extérieure de l'aile, un élément conjugué de serrage (78), mobile, l'élément conjugué de serrage (78) étant le cas échéant, un disque monté de manière excentrique, qui peut être amené en position de blocage par rotation d'un axe (68) portant l'étançon incliné (70).
  10. Coffrage selon la revendication 9, caractérisé en ce que sur l'axe (68) de chaque côté de l étançon incliné (70) sont montés respectivement des rondelles-entretoise (69) le disque (78) à montage excentrique et les plaques de carter (76), une poignée étant fixée à l'une des extrémité de l'axe (68).
  11. Coffrage selon au moins l'une des revendications 1 à 10, caractérisé en ce que l'extrémité libre de l'étançon incliné (70) porte un tourillon de maintien (72) s'étendant transversalement à l'axe de l'étançon et comportant des perçages (73) de direction radiale qui reçoivent au moins un élément d'ancrage au sol (74).
EP88102969A 1987-02-28 1988-02-27 Coffrage pour le coulage des parties de bâtiments Expired - Lifetime EP0281046B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88102969T ATE67818T1 (de) 1987-02-28 1988-02-27 Schalung fuer das giessen von gebaeudeteilen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873706597 DE3706597A1 (de) 1987-02-28 1987-02-28 Schalung fuer das giessen von gebaeudeteilen
DE3706597 1987-02-28

Publications (3)

Publication Number Publication Date
EP0281046A2 EP0281046A2 (fr) 1988-09-07
EP0281046A3 EP0281046A3 (en) 1989-05-03
EP0281046B1 true EP0281046B1 (fr) 1991-09-25

Family

ID=6322057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88102969A Expired - Lifetime EP0281046B1 (fr) 1987-02-28 1988-02-27 Coffrage pour le coulage des parties de bâtiments

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EP (1) EP0281046B1 (fr)
AT (1) ATE67818T1 (fr)
DE (2) DE3706597A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2343993B1 (es) * 2008-02-07 2011-06-06 Obras Reunidas, S.A. (O.R.S.A) Encofrado redimensionable para la construccion "in situ" de nichos y columbarios.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1221567A (en) * 1916-08-02 1917-04-03 William A P Moncure Mold for concrete structures.
DE903627C (de) * 1950-09-09 1954-02-08 Friedrich Lehmann Dipl Ing Dr Vorrichtung zur Herstellung von ganz oder teilweise monolithen Betonhaeusern
DE1811186A1 (de) * 1968-11-27 1970-06-11 Hugo Schmidt Schalvorrichtung zur Herstellung in sich geschlossener Raumfertigteile aus Stahlbeton in einem Guss in variablen Groessen fuer Wohnraumbauten
DD101450A2 (fr) * 1972-11-17 1973-11-12
DD101721A1 (fr) * 1973-01-29 1973-11-12
DE2323532A1 (de) * 1973-05-10 1974-11-28 Dreiskaemper Gmbh Schalung aus rasterschalungselementen zur schnellmontage
FR2375408A1 (fr) * 1976-12-24 1978-07-21 Hermenier Jacques Coffrage tridimensionnel variable
FR2504580A1 (fr) * 1981-04-28 1982-10-29 Outinord St Amand Perfectionnements aux coffrages tunnels

Also Published As

Publication number Publication date
DE3865043D1 (de) 1991-10-31
DE3706597A1 (de) 1988-09-08
EP0281046A3 (en) 1989-05-03
EP0281046A2 (fr) 1988-09-07
ATE67818T1 (de) 1991-10-15

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