EP0547356B1 - Unterzugschalungszwinge - Google Patents

Unterzugschalungszwinge Download PDF

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Publication number
EP0547356B1
EP0547356B1 EP92118916A EP92118916A EP0547356B1 EP 0547356 B1 EP0547356 B1 EP 0547356B1 EP 92118916 A EP92118916 A EP 92118916A EP 92118916 A EP92118916 A EP 92118916A EP 0547356 B1 EP0547356 B1 EP 0547356B1
Authority
EP
European Patent Office
Prior art keywords
tensioning
formwork
support
rail
rod
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
EP92118916A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0547356A1 (de
Inventor
Arthur 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 GmbH
Original Assignee
Peri GmbH
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Filing date
Publication date
Application filed by Peri GmbH filed Critical Peri GmbH
Publication of EP0547356A1 publication Critical patent/EP0547356A1/de
Application granted granted Critical
Publication of EP0547356B1 publication Critical patent/EP0547356B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • E04G11/365—Stop-end shutterings
    • 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

Definitions

  • the invention relates to a formwork clamp, in particular for formwork of a beam of a concrete ceiling, with a cross member and as support stands for supporting a side form of the beam serving clamp legs, at least one of which is adjustable in the longitudinal direction of the cross member, and with at least one tie rod which is attached to the cross member is attachable.
  • a known formwork clamp from Assco, 7958 Laupheim 5 has a cross member with cross bores, two support frames and two tie rods with transverse through openings.
  • a bolt is inserted through a cross hole in the cross member and through the through hole in the end of the tie rod.
  • the bolt is secured, for example, by means of a spring pin.
  • a swivel nut on the tie rod holds the support bracket in the longitudinal direction of the cross member.
  • This known formwork clamp has the disadvantage that the fastening eye of the tie rod must be aligned and held in alignment with the transverse bore in the cross member so that the bolt can be inserted through it. Then the bolt must be secured. This requires considerable handling effort. In addition, contamination, for example from concrete residues, in the cross bores in the cross member and in the push-through openings of the tie rods can prevent the bolt from being pushed through.
  • the formwork on the underside of the beam to be formwork does not bend when pouring concrete, the formwork must be supported at sufficiently small intervals. Either a correspondingly large number of cross beams can be used for this. Heavy cross members are disadvantageous because they are difficult to handle. Or longitudinal members, for example conventional wooden members, are placed on the cross members. Fewer cross beams are then required at a greater distance from one another, since the longitudinal beams prevent the formwork on the underside of the beam from bending. The longitudinal beams placed on the cross members result in a Distance between the underside of the beam to be formwork and the cross beams. The clamp legs that form the trestles must be higher and more stable in order to be able to support the side formwork.
  • the object of the invention is to provide an easy-to-use formwork clamp.
  • tie rod can be hooked onto the cross member.
  • the cross member has a tensioning rail into which the tensioning rod can be hooked.
  • This has the advantage that the tensioning rail absorbs a large part of the tensioning force to be applied.
  • a conventional wooden beam can be used as a cross beam; the strength of which is sufficient.
  • Only the tensioning rail can be made from a material of higher strength, for example from metal, in particular from steel.
  • the weight of the formwork clamp according to the invention is relatively low.
  • An additional advantage of the formwork clamp according to the invention is that the tensioning rail, and thus also the support frame, can also be fastened to a suitable wooden or other support that is required for formwork. A specially designed cross member for the formwork clamp is not required. As a result, the formwork clamp according to the invention can be easily integrated into different formwork.
  • tensioning rod can be easily hooked into the tensioning rail with one hand. There is no need to laboriously align the tension rod to attach it to the crossmember; additional fastening and securing parts are also omitted.
  • One embodiment of the invention has two support trestles which are adjustable in the longitudinal direction of the crossbeam for supporting both side formwork of a beam.
  • This embodiment of the invention has the advantage that the position of both side molds is adjustable. This may be necessary if a girder is used as a cross girder, which is part of the rest of the formwork. Even if the formwork of the joist is not pre-assembled on the floor, but is put together on a support structure, it is advantageous if both support brackets are adjustable.
  • each tensioning rod can be hooked in at several points along the tensioning rail. This means that the trestles can be quickly set within a large range.
  • the support brackets are infinitely adjustable.
  • the tensioning rail has cutouts for hooking in the tensioning rod. These recesses can have any suitable shape, for example they can be produced by milling. Such a tensioning rail can be easily manufactured.
  • the end of the tension rod is hook-shaped.
  • a tie rod is simple producible and can be hooked into various recesses or undercuts of the tensioning rail, for example also in circular bores.
  • one end of the tension rod is T-shaped.
  • Such a tensioning rod can be inserted into suitably shaped recesses in the tensioning rail and secured against being pulled out of the tensioning rail by turning through 90 ° about its longitudinal axis.
  • Such a tie rod even if it is not loaded, cannot emerge from the recess as long as it is not rotated through 90 ° about its longitudinal axis.
  • the cross member is a double member formed from two members.
  • Conventional wooden supports are suitable as supports.
  • the double girder can serve as a guide for the trestles.
  • the two carriers are connected to one another by webs which serve as abutments for the tensioning rod.
  • the two beams are connected to a double beam by the tensioning rail. This results in a unit consisting of a tensioning rail and cross member.
  • the two supports can be attached to one another at further points at a distance from one another.
  • a further clamping rail can be fastened to a clamping rail.
  • the tensioning rail can be extended as required and accordingly the distance between two support frames of a formwork clamp can be chosen as large as required.
  • the clamping rails fastened to one another absorb a large part of the clamping force to be applied. The load on the cross member is significantly reduced.
  • tensioning rails can be hooked together. Such tensioning rails are easy to attach to one another without additional connecting means.
  • the tie rod can be hooked into an anchor.
  • an anchor can be concreted into an already completed floor or ceiling. In this case, cross members and tensioning rails are not required.
  • the trestle for supporting a side formwork is attached to or below the finished floor or ceiling.
  • the support bracket 1 shown in Fig. 1 consists essentially of two L-shaped bars 2, 3, a U-shaped bar 4 perpendicular to these and two supporting struts 5, 6.
  • the two L-shaped bars 2, 3 run parallel to one another at a distance.
  • the two L-profile bars 2, 3 are aligned with one another in such a way that two legs lie in one plane and the other two legs face one another, run parallel to one another and point downward. These two legs are intended for guidance.
  • the U-profile bar 4 is attached to one end of the two L-profile bars 2, 3 standing vertically upwards.
  • the concave side of the U-shaped bar 4 faces away from the two L-shaped bars 2, 3.
  • the two support struts 5, 6 run parallel to each other at a distance from each other for stiffening the angle between an L-profile bar 2, 3 and the U-profile bar 4.
  • the support struts 5, 6 together with the profile bars 2, 3, 4 form support triangles.
  • a tie rod 7 is located in the central plane of the support frame 1; it projects through the space between the two L-shaped bars 2, 3 and between the two support struts 5, 6 of the support bracket 1.
  • the tensioning rod 7 has a thread 8, in particular a so-called Dywidag thread. Its lower end is located below the support frame 1, it is provided with a hook 9.
  • a vertebral nut 10 is on the tension rod 7 screwed on. Your contact surface overlaps the two support struts 5, 6 of the support frame 1 and is supported against them.
  • the support bracket 1 is made of steel, the individual connections are welded. Its length in the direction of the two L-profile bars 2, 3 is 500 mm, its height in the direction of the U-profile bar 4 is 430 mm.
  • the support frame 1 weighs approximately 12.4 kg together with the tie rod 7.
  • the tensioning rail 11 shown in Fig. 2 consists of a U-shaped sheet. Approximately semicircular holes are punched out of the arcuate yoke area of the U-profile as recesses 12 for hooking in the tension rods 7. At the two edges of the U-profile of the tensioning rail 11, fastening tabs 13 are bent or welded. These fastening tabs 13 are provided for fastening two conventional wooden beams on both sides of the tensioning rail 11, for example by means of screws. This results in a double beam consisting of two spaced-apart beams, between which the tensioning rail 11 is fastened on its underside. The two supports can be fastened to one another at further points with spacers.
  • the tension rods 7 can reach into the space between the two supports and can be hooked into the recesses 12 in the tension rail 11.
  • hooks 14 are arranged for hanging a further tensioning rail 11 each.
  • the hooks 14 are in one piece with the tensioning rail 11. As a result, any number of tensioning rails 11 can be hung together.
  • the tensioning rail 11 described is 800 mm long without the hooks 14, it weighs 7.6 kg. Between the L-profile bars 2, 3, webs 38 are welded in, which do not hinder the fastening of the tension bars 7.
  • Fig. 3 shows the application of the formwork clamp according to the invention for formwork of a beam of a concrete ceiling.
  • Four longitudinal beams 16 are placed on a substructure 15.
  • a cross member 17 is supported on these longitudinal members 16.
  • the cross member 17 is designed as a double girder, it consists of two conventional wooden girders (lattice girders) arranged parallel to one another with a space between them. For the sake of better representation, the front of the two wooden beams forming the cross beam 17 is not shown.
  • the tensioning rail 11 is attached between the two wooden beams forming the crossbeam 17 on the underside thereof.
  • the level of their cutouts 12 lies in the region of the lower straps of the carrier 17th
  • each support bracket 1 On the cross member 17 there are two support brackets 1.
  • Formwork elements are fastened as side shields 18 to the U-section bar 4 of each support bracket 1, which is positioned vertically upward.
  • a side plate 18 has a vertically standing squared timber 19 which is received by the U-shaped bar 4 and fastened to it.
  • the two longitudinal beams 20, 21 are on the square timber 19, and a formwork skin 22 is fastened to these.
  • a formlining 23 lies on the cross member 17.
  • Each support bracket 1 is clamped on the cross member 17 with a tie rod 7.
  • Each tensioning rod 7 is hooked into a recess 12 in the tensioning rail 11; the vertebral nut 10 screwed onto the tie rod 7 is supported against the support struts 5, 6 of the support frame 1.
  • the tie rod 7 runs obliquely downwards in relation to the beam to be shuttered. Imagined longitudinal axes of the two tie rods 7 of a formwork clamp intersect below the beam.
  • the horizontal component of the clamping force of the two support brackets 1 of a formwork clamp is introduced into the clamping rail 11 via the clamping rods 7, where these force components of the two clamping forces cancel each other out.
  • the cross member 17 therefore only needs to absorb the vertical component of the clamping forces.
  • a further tensioning rail 11a is indicated by dash-dotted lines and is suspended in the tensioning rail 11.
  • the distance between the two support frames 1 from one another can be chosen to be as large as desired.
  • the support bracket 1 is clamped on the cross member 17.
  • the tie rods 7 can be set so steep that the support brackets 1 on the cross member 17 are pressed at their respective position on the cross member 17.
  • the tie rods 7 can, however, also be arranged so flat that they pull the two support brackets 1 against one another on the cross member 17 until the side shields 18 of the girder formwork abut against the formlining 23 of the underside of the girder and thereby fix the positions of the support brackets 1 in their position .
  • Fig. 4 shows the formwork of a free-standing edge of a ceiling with the formwork clamp according to the invention.
  • the formwork 24 delimiting the edge of the ceiling is supported against a support frame 1.
  • a separate cross member 17 for the formwork clamp is not necessary.
  • the tensioning rail 11 is fastened to the underside of the two wooden beams forming the cross member 17.
  • the support bracket 1 is clamped on the cross member 17 via the tension rod 7 (indicated in FIG. 4 as a dash-dot line).
  • the tension rod 7 indicated in FIG. 4 as a dash-dot line
  • Fig. 5 shows the formwork of a foundation with the help of the invention.
  • An anchor 26 is cast into an existing base plate 25 (clean layer made of lean concrete) made of concrete.
  • the tie rod 7 is hooked into an end of the armature 26 protruding from the base plate 25.
  • the support bracket 1 is clamped onto the base plate 25 by means of the swivel nut 10 screwed onto the tension rod 7.
  • the support frame 1 sits on the base plate 25.
  • the U-profile rod 4 of the support frame 1 receives a vertically standing square timber 27; a formwork skin consisting of two planks 28, 29 is fastened to this.
  • the square timber 27 and the two planks 28, 29 form the side plate of the formwork of a foundation 30 to be cast from concrete.
  • Fig. 6 shows schematically the application of formwork clamp according to the invention for formwork of a channel 31.
  • This double girder forms the crossbeam 17 of two formwork clamps for formworking the two channel walls 32, 33.
  • the tensioning rail 11 of each formwork clamp is located on the upper side of the crossbeam 17.
  • the two support brackets 1 of each formwork clamp are connected via tension rods 7 (in FIG. 6) Dashed lines indicated) clamped on the underside of the cross member 17.
  • the support brackets 1 protrude from the cross member 17 downwards.
  • the side plates 34 to 37 for formwork for the outer sides of the channel 31 or its walls 32, 33 and for formwork for the inner sides of the walls 32, 33 of the channel 31 are fastened to them.

Landscapes

  • 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)
  • Paper (AREA)
  • Body Structure For Vehicles (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP92118916A 1991-12-18 1992-11-05 Unterzugschalungszwinge Expired - Lifetime EP0547356B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4141917A DE4141917C1 (enrdf_load_stackoverflow) 1991-12-18 1991-12-18
DE4141917 1991-12-18

Publications (2)

Publication Number Publication Date
EP0547356A1 EP0547356A1 (de) 1993-06-23
EP0547356B1 true EP0547356B1 (de) 1996-01-03

Family

ID=6447453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92118916A Expired - Lifetime EP0547356B1 (de) 1991-12-18 1992-11-05 Unterzugschalungszwinge

Country Status (4)

Country Link
EP (1) EP0547356B1 (enrdf_load_stackoverflow)
AT (1) ATE132562T1 (enrdf_load_stackoverflow)
DE (2) DE4141917C1 (enrdf_load_stackoverflow)
ES (1) ES2084243T3 (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335388A1 (de) * 1993-10-16 1995-04-20 Peri Gmbh Abschalwinkel
ES2255457B1 (es) * 2005-04-11 2007-08-01 Sistemas Tecnicos De Encofrados, S.A. Soporte de encofrado para muros de una sola cara.
ES2299363B1 (es) * 2006-07-14 2009-04-16 Ulma C Y E, S. Coop. Dispositivo de union entre riostra y viga de encofrado.
MY167504A (en) * 2007-02-16 2018-09-04 Hang Seng Tang A formwork system
DE102008036187A1 (de) * 2008-08-02 2010-02-11 Dingler, Gerhard Wandrandabschalung für eine Bodenplatte aus Beton für eine einhäuptige Schalung und Verfahren zur Aufstellung der Schalung
EP2157260B1 (de) * 2008-08-19 2017-05-10 FWR Solutions GmbH Schalung mit Rückverankerungseinrichtung
DE102009056420A1 (de) * 2009-12-01 2011-06-09 Matthias Franz Betonschalung und Ankervorrichtung zum Verankern eines Spannankers einer einhäuptigen Betonschalung
CN104727548B (zh) * 2015-02-11 2017-07-04 河北建设集团安装工程有限公司 墙体阴角模板快速安拆装置
CN104806011B (zh) * 2015-05-25 2017-12-08 中国五冶集团有限公司 筏板后浇带浇筑模板
ES2598728B1 (es) * 2015-07-27 2017-07-18 Sistemas Técnicos De Encofrados, S.A. Dispositivo para la fijación de paneles de encofrado vertical para el canto de forjados
CN110080521B (zh) * 2019-05-20 2021-02-09 温州中顺建筑工程有限公司 大截面预应力框架梁支模体系及施工方法
CN111502069A (zh) * 2020-05-08 2020-08-07 陈金华 一种建筑装配式预制墙体便捷式定位结构及安装方法
AT525787B1 (de) * 2022-01-11 2024-06-15 Mmk Holz Beton Fertigteile Gmbh Abschalung hbv decke

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH489682A (fr) * 1968-10-29 1970-04-30 Bourge Edmond Dispositif de coffrage
US3712576A (en) * 1971-04-16 1973-01-23 Symons Corp Waler clamping assembly for a concrete wall form
DE2321096A1 (de) * 1973-04-26 1974-11-14 Peri Werk Schwoerer Kg Artur Vorrichtung zur gegenseitigen befestigung von schalungsabschnitten
DE2709658A1 (de) * 1977-03-05 1978-09-07 Walter Hoff Vorrichtung zum verbinden von traversen mit fachwerktraegern
DE3324301A1 (de) * 1983-07-06 1985-01-17 Jürgen 7900 Ulm Dumke Stuetzvorrichtung fuer eine schalung
DE3503692A1 (de) * 1985-02-04 1986-08-07 Emil Steidle Gmbh & Co, 7480 Sigmaringen Vorrichtung zur verbindung von einander kreuzenden traegern
DE3929923A1 (de) * 1989-09-08 1991-03-14 Baumann Verwertungs Gmbh Den eckbereich einer aussparschalung bildende vorrichtung

Also Published As

Publication number Publication date
ES2084243T3 (es) 1996-05-01
EP0547356A1 (de) 1993-06-23
DE4141917C1 (enrdf_load_stackoverflow) 1993-05-27
DE59204926D1 (de) 1996-02-15
ATE132562T1 (de) 1996-01-15

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