EP0511615B1 - Plate-forme de travail pour coffrage de poteaux - Google Patents

Plate-forme de travail pour coffrage de poteaux Download PDF

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Publication number
EP0511615B1
EP0511615B1 EP92107151A EP92107151A EP0511615B1 EP 0511615 B1 EP0511615 B1 EP 0511615B1 EP 92107151 A EP92107151 A EP 92107151A EP 92107151 A EP92107151 A EP 92107151A EP 0511615 B1 EP0511615 B1 EP 0511615B1
Authority
EP
European Patent Office
Prior art keywords
work
staging
work staging
formwork
mould
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
EP92107151A
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German (de)
English (en)
Other versions
EP0511615A1 (fr
Inventor
Artur Dipl.-Ing. Schwörer (FH)
Manfred Dipl.-Ing. Rathfelder
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
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 Peri GmbH filed Critical Peri GmbH
Publication of EP0511615A1 publication Critical patent/EP0511615A1/fr
Application granted granted Critical
Publication of EP0511615B1 publication Critical patent/EP0511615B1/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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/002—Workplatforms, railings; Arrangements for pouring concrete, attached to the form
    • 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
    • E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor

Definitions

  • the invention relates to a working platform for a concrete formwork at a corner, in particular for a column formwork, with a recess provided in the working platform, which is delimited by edges converging at a corner.
  • Known working platforms such as shown in the brochure "NOE column formwork", stand 01.90 from NOE-Schaltechnik, consist of two platforms which are placed next to each other and thus result in a top view L-shaped working platform.
  • support elements e.g. Diagonal supports, which are supported on the outside of the formwork.
  • three rectangular platforms have to be joined together to form a work platform comprising the U-shaped column, which is supported on a vertical lattice girder.
  • the known work platforms consist of many and bulky individual parts, which require a corresponding amount of space during transport and require several operations when loading or unloading. Fastening these work platforms to the formwork is also complex and time-consuming. If one of the parts is not available, the work platform cannot be set up.
  • the object of the invention is to provide a working platform for formwork in a corner that does not require any supporting elements.
  • the work platform around the corner is integrally rigid and that at least one first and a second device for attaching the platform to the formwork (fastening device) and at least one third fastening device are provided on the other edge .
  • the working platform consists essentially of one because of the elimination of the supporting elements Part exists, and can therefore be quickly attached to a formwork and takes up little transport space.
  • At least one fastening device is movably arranged in the plane of the working platform, preferably rigid from the working platform, e.g. with the help of a carrier.
  • This embodiment is particularly advantageous for adjustable column formwork which is constructed on the windmill principle. Regardless of the size of the column cross-sectional area to be shuttered, the area of the work platform always has the same shape and size; the outer edges of the work platform are always continuous and without offset; Guard rails attached to the outer edges of the work platform are also continuous, there are no gaps between the guard rails.
  • This work platform according to the invention can be attached to column formwork whose cross-section is larger than the recess of the work platform, that is to say to column formwork in which the width of one side of the column is greater than the length of the edge of the recess. Because of the mobility of the third fastening device, this embodiment is also suitable for formwork of columns, the cross section of which is smaller than the recess of the working platform. In this case, a corner of the formwork can rest on the corner of the work platform, which form the two edges of the recess with one another.
  • the work platform can also be attached to a smaller cross-section so that the formwork corner does not rest on the corner of the work platform, which form the two edges of the recess with each other, but is at a distance from this corner.
  • the third fastening device moved so far into the recess in the working platform on the carrier that it comes to lie over the upper end of the formwork element and can be fastened there.
  • the working platform can also be fastened to the upper end of column formwork that does not have a rectangular cross section, but rather, for example, a triangular or polygonal cross section or also a round cross section.
  • only the third fastening device has to be moved so far into the recess in the working platform that it can be fastened to the upper end of a formwork element.
  • the third fastening device can be rigidly fastened to the free end of the carrier.
  • the carrier is held in the work platform in a rigid manner.
  • the carrier can also protrude with its free end into the recess and be rigidly connected to the work platform and the fastening device can be guided displaceably along this carrier.
  • the work platform according to the invention is not only suitable for fastening to the upper end of column formwork, but also for fastening to formwork for another corner of a building, namely wherever formwork elements are fastened to one another at an angle.
  • the formwork elements can be arranged according to the "windmill principle” or formwork elements can be provided, the width of which corresponds to the width of the flat surfaces to be formworked of a column to be formworked. In this case, the edges of the formwork elements not beyond the column to be shuttered, as with shuttering according to the "windmill principle".
  • the third fastening device can be moved into the recess at a right angle to the edge of the recess of the working platform, on which the fastening device is arranged.
  • the carrier on which the third fastening device is arranged can be fastened to the work platform in such a way that it can be pivoted by a certain angle, so that the third fastening device is movable in the recess along a circular arc section in the plane of the work platform.
  • the third fastening device is movable parallel to the edge of the recess in the work platform to which it is attached, possibly in addition to a movement possible at right angles to this edge. If the movable fastening device is movable both at right angles and parallel to one edge of the recess, this can be achieved, for example, by the fastening device being fastened to a cross slide.
  • the movement of the third fastening device along one edge of the recess can be realized in one embodiment of the invention in that along the edge of the recess a plurality of guides are provided at right angles to this edge in the work platform, which are used optionally for receiving the carrier of the third fastening device and in which the carrier is slidably guided at right angles to the edge of the recess.
  • the fastening device is rigidly fastened to one end of the carrier and the carrier itself is completely out of the guide extractable so that it can be inserted into another guide.
  • the aforementioned third fastening device can be provided several times on the edge of the fastening device, for example two, three or more such fastening devices can be provided on the same edge of the recess so as to be movable into the recess.
  • a rigid guide of the carrier of the fastening device can be realized in that the carrier is guided in the work platform in a hollow profile in the manner of a telescope.
  • the previous embodiments of the work platform can be developed in such a way that the carrier or the third fastening device can be locked in its respective position.
  • edges of the recess in the work platform form a right angle. In other embodiments of the invention, they can also include an angle deviating from a right angle. It is only necessary to ensure that the fastening devices, in particular the third fastening device, the position of which can be chosen arbitrarily within the recess in embodiments of the invention, are arranged in such a way that they absorb all the tilting moments which occur when the work platform is loaded.
  • the edges of the recess in the working platform are approximately the same length as those end faces of formwork elements to which the working platform can be fastened.
  • the work platform can be designed so that the angle between the edges of the recess of the Working platform is the same size as the angle of the corner of the formwork for which the working platform is intended.
  • the work platform according to the invention is adapted to the cross-section to be shuttered and the shuttering elements used. As a result, it can be particularly easily attached to the designated places on the formwork.
  • the working platform leaves parting planes or joints where the formwork half to which the working platform is fastened is connected to the rest of the formwork when it is formworked and taken apart again when the formwork is removed.
  • the working platform does not hinder the stripping or stripping. It can remain connected as a unit to the corresponding part of the formwork when formwork is being removed and removed.
  • the fastening devices of the working platform on the formwork are designed as suspension points for a hoist.
  • the working platform can be attached to a crane, for example, together with the part of the formwork to which it is attached.
  • the unit consisting of the working platform and the part of the formwork to which it is attached takes a slight inclination to the vertical plane when floating, which makes it easier to form and remove the formwork.
  • the work platform is mirror-symmetrical to its horizontal center plane. This means that the work platform can also be used in reverse, which means that it can be used on column formwork based on the windmill principle, regardless of its direction of rotation.
  • This embodiment can be developed in such a way that fastening parts for protective railings are designed such that the protective railings can be fastened for both accessible surfaces of the working platform.
  • the guardrails of the work platform are all constructed identically.
  • Figure 1 shows a bending and torsionally rigid work platform 1, which has the shape of an L with legs of the same length in plan view.
  • three fastening devices 2, 3, 4 are provided, two of which 2, 3 are fixedly arranged on an edge 5 of a recess 7 of the work platform 1.
  • the third fastening device 4 is located on a carrier 6, which is mounted in the recess 7 in the plane of the work platform 1 at right angles to another edge 8 of the recess 7.
  • the carrier 6 is telescopic and in every possible position rigidly guided and lockable in the work platform 1. The extension of the carrier 6 is limited.
  • guard rails 9 can be inserted into holding parts 10 from both sides.
  • the guardrail 9 can be secured in a known manner, for example by means of spring plugs.
  • the lower ends 11 of the railing supports 36, 37 of the protective railing 9 protrude so far downward beyond the work platform 1 that an inadvertent lifting of the protective railing 9 is excluded with certainty and the legal provisions are complied with.
  • four guardrails can be used which have the same dimensions as the guardrails on the front edges of the work platform 1.
  • the work platform has 1 in this case six identical guardrails.
  • the working platform 1 is fastened to the fastening devices 2, 3, 4 on the end faces of two formwork elements 14, 15 by means of three fastening screws, the head of which is designed as a ring.
  • the two formwork elements 14, 15 form half of a column formwork for a column to be cast from reinforced concrete with a rectangular cross-section.
  • the column formwork consists of four formwork elements 14, 15, 16, 17, which are arranged in the so-called windmill principle.
  • the formwork elements 14, 15, 16, 17 are wider than the side surfaces of the column cross-section, and one end face of a formwork element 14, 15, 16, 17 lies against the formwork surface of an adjacent formwork element 14, 15, 16, 17, whereas the opposite ones End faces of the formwork elements 14, 15, 16, 17 protrude beyond the side surfaces of the column.
  • Each two interconnected formwork elements 14, 15 and 16, 17 form a column formwork half.
  • the rings of the fastening screws also serve as crane suspension points for the column formwork half to which the working platform 1 is attached.
  • the work platform 1 is mirror-symmetrical to its horizontal center plane. This means that it can be turned and can be used for column formwork based on the windmill principle, regardless of the direction of rotation of the column formwork.
  • the protective railings 9 can be inserted into the holding parts 10 from both sides.
  • Two formwork elements 14, 15 and 16, 17 are assembled on the floor to form a column formwork half.
  • the working platform 1 is attached to one half 14, 15 of the column formwork and the protective railings 9 are attached to it.
  • the two halves of the column formwork are then individually attached to one another, for example on a crane, erected and brought to the place where the column formwork is needed.
  • the column formwork half assumes an inclined position in the floating state, in which the lower part of the formwork elements 14, 15 is inclined "inwards", ie in the direction of a reinforced concrete column to be cast later.
  • the inclined position makes assembling the two column formwork halves particularly easy.
  • the working platform 1 does not project over parting planes 18, 19, on which the two column formwork halves composed of two formwork elements 14, 15 or 16, 17 are connected during formwork and disassembled again during formwork, i.e. not over the formwork levels of the two formwork elements 14, 17 of the two column formwork halves against which the formwork elements 16, 15 of the other formwork halves rest. This would be an obstacle to formwork.
  • Tilting moments caused by loading the working platform at the edges 12, 13 facing away from the recess 7 are mainly absorbed by the fastening device 4, 3 which is furthest away from the respective edge 12, 13.
  • a working platform that runs completely around a cast concrete column is normally not required. If a working platform 1 is not sufficient, two working platforms 1 can be attached to a column formwork. In this case, a work platform 1 is attached to a column formwork half composed of two formwork elements 14, 15 and 16, 17, respectively.
  • the gap between the edge 8 of the recess 7 of the work platform 1, on which the carrier 6 is located, and the formwork element 14 located on this edge 8 can be made by means of a square timber fastened to the end face of this formwork element 14 and a board fastened to this square timber the work platform 1 overlaps and rests on it, can be bridged.
  • a so-called drag plate can also be used: The drag plate is supported on one side on the end face of the formwork element 14 and is on this and possibly on the fastening device 4 of the carrier 6 attached. The other side of the drag plate lies on the work platform 1.
  • the rigid work platform 1 is connected without support elements to the formwork half composed of two formwork elements 14, 15 in a stable and resilient manner.
  • the three fastening devices 2, 3, 4 are arranged approximately at right angles to one another and are at a sufficient distance from one another.
  • a load on the work platform 1 at any point acts as a moment about an imaginary tilt axis by two adjacent fastening devices 2, 3 or 2, 4 of the work platform 1, which is received by the third fastening device 4 or 3.
  • a toe board 28 is fastened to two railing supports 36, 37 in the plane defined by this, the lower end face of which rests on the holding parts 10 when the protective railing 9 is inserted, and the lower inner edge 39 of which rests on an upper outer edge 40 of the work platform 1.
  • the platform of the work platform 1 has a supporting grate, e.g. B. from tubes or beams with a different cross-section, which gives the work platform 1 the required bending resistance and possibly torsion resistance.
  • This grate is covered and connected on both sides with a flat, walkable covering.
  • FIG. 2 schematically shows an embodiment of the invention in which rectangular tubes 20, 21 are arranged in the work platform 1 at a distance from one another orthogonally to the edge 8 of the recess 7 in the work platform 1.
  • the carrier 6 of the fastening device 4 can be inserted into the rectangular tubes 20, 21 and can be displaced in the relevant rectangular tube 20, 21 is led.
  • the carrier 6 is slidably guided in the rectangular tube 21 and pulled out into the recess 7 to such an extent that the fastening device 4 comes to rest on a formwork element 22, on the upper end face of which the fastening device 4 is fastened.
  • the fastening devices 2 and 3 engage in the upper edge of a formwork element 23 which is fastened to the formwork element 22.
  • the work platform 1 is fastened with the fastening devices 2 and 3 at the upper edge of the column formwork that the parting plane 26 is not covered by the work platform 1, because this would occur during construction and during dismantling interfere with the column formwork.
  • the formwork element 22 is arranged at a certain distance from the edge 8 of the recess 7 of the work platform 1, so that the parting plane 26 is not covered by the work platform 1, which is why the carrier 6 consists of one Guide and bracket serving rectangular tube 21 must be pulled out a bit. If the column cross-section were wider parallel to the edge 8, the carrier 6 could also be inserted into the rectangular tube 20 and guided and held by this.
  • FIG. 3 shows schematically from above the embodiment of the work platform 1 already explained in FIG. 2 in use in a formwork for a triangular column cross section. It can be seen that also by inserting the carrier 6 into the rectangular tube 21, that is to say by laterally displacing the fastening device 4 along the edge 8 and pulling out the carrier 6 at right angles to the edge 8 of the recess 7 in the work platform 1, the fastening device 4 at the top End of a formwork element 28 of a formwork for a triangular pillar cross-section can be attached. The fastening devices 2 and 3 engage in the upper edge of a formwork element 29. During assembly and disassembly, the formwork is separated at parting levels 30, 31. The work platform 1 remains attached to the formwork elements 28, 29.
  • FIG. 4 shows the application of the embodiment of the working platform 1 shown in FIGS. 2 and 3 with a laterally displaceable fastening device 4 when used on a formwork for a round pillar cross-section.
  • the two semicircular formwork elements 32, 33 are assembled on parting planes 34, 35.
  • the fastening devices 2, 3, 4 in turn engage a formwork half, which here consists of a formwork element 32.
  • the attachment of the work platform 1 to this formwork is chosen so that the work platform 1 does not cover the parting planes 34, 35.
  • fastening elements can also be used for fastening the working platform 1 at the upper end of a formwork, which in turn can be designed so that a crane hook can engage in these fastening elements.
  • the work platform 1 can be attached not only to the upper end faces of a formwork, but also to the upper edge of the outer surface of the formwork.
  • more than one fastening device 4 can also be movably guided in the plane of the work platform 1 or in a plane parallel to it.
  • the carrier 6 can also consist of a round tube.

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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 (15)

  1. Plate-forme de travail pour coffrage en béton sur un coin, en particulier pour un coffrace de poteaux, comprenant un évidement (7) prévu dans la plateforme de travail (1), lequel est limité par des bords convergeant (5, 8) dans un coin (41), caractérisée en ce que la plate-forme de travail (1) est conformée de manière rigide à la flexion, en une pièce, autour d'un coin (41) et en ce qu'au moins un premier et un deuxième dispositif (2 et 3) sont prévus sur un bord (5) pour fixer la plate-forme au coffrace et qu'au moins un troisième dispositif de fixation (4) est prévu sur l'autre bord (8).
  2. Plate-forme de travail selon la revendication 1, caractérisée en ce qu'au moins un dispositif de fixation (2, 3, 4) est disposé de manière amovible dans le plan de la plate-forme de travail (1).
  3. Plate-forme de travail selon la revendication 1 ou 2, caractérisée en ce qu'au moins un dispositif de fixation (4) est disposé sur un support (6) et est rigide à la flexion par rapport à la plate-forme de travail (1).
  4. Plate-forme de travail selon la revendication 3, caractérisée en ce qu'au moins un dispositif de fixation (4) est fixé de manière rigide à l'extrémité libre du support (6), qui est introduit de manière rigide à la flexion dans la plate-forme de travail (1).
  5. Plate-forme de travail selon la revendication 1 ou 2, caractérisée en ce qu'au moins un dispositif de fixation (4) est disposé de manière mobile sur un support (6) faisant saillie dans l'évidement (7), lequel support est relié de manière rigide à la plateforme de travail (1).
  6. Plate-forme de travail selon l'une des revendications précédentes, caractérisée en ce qu'au moins un dispositif de fixation (4) peut être mû parallèlement au bord (8) de l'évidement (7) de la plateforme de travail, sur lequel il est disposé.
  7. Plate-forme de travail selon la revendication 6, caractérisée en ce qu'au moins un dispositif de fixation (4) est disposé sur l'extrémité libre d'un support (6) et en ce que le long d'un bord (8) de l'évidement plusieurs glissières (20, 21) sont prévues dans la plate-forme de travail pour le logement sélectif du support (6), dans lesquelles le support (6) est guidé de manière coulissante perpendiculairement à ce bord (8).
  8. Plate-forme de travail selon l'une des revendications précédentes, caractérisée en ce qu'un support (6) pour le dispositif de fixation ou encore au moins un dispositif de fixation (4) peut être calé dans sa position respective.
  9. Plate-forme de travail selon l'une des revendications précédentes, caractérisée en ce que les dispositifs de fixation (2, 3, 4) de la plate-forme de travail (1) sont conformés comme dispositifs de suspension pour un outil de levage.
  10. Plate-forme de travail selon l'une des revendications précédentes, caractérisée en ce que la plate-forme de travail (1) est montée de manière symétrico-orthogonale par rapport à son plan médian.
  11. "Plate-forme de travail selon la revendication 10 comprenant des garde-corps, caractérisée en ce que les pièces de fixation (10) pour les gardecorps (9) sur la plate-forme de travail (1) sont conformées de telle manière que les garde-corps (9) peuvent être fixés pour les deux surfaces praticables de la plate-forme de travail (1).
  12. Plate-forme de travail selon l'une des revendications précédentes, caractérisée en ce que la plate-forme de travail (1) présente des garde-corps (9) qui sont tous montés de la même manière.
  13. Coffrage pour poteaux en béton avec plate-forme de travail selon l'un des revendications précédentes, caractérisé en ce que les bords (5, 8) de l'évidement (7) de la plate-forme de travail (1) sont d'une longueur approximativement égale à celle des faces des éléments du coffrage (14, 15), sur lesquels la plateforme de travail (1) peut être fixée.
  14. Coffrage pour poteaux en béton avec plate-forme de travail selon l'une des revendications 1 à 12, caractérisé en ce que l'angle entre les bords (5, 8) de l'évidement (7) de la plate-forme de travail (1) est de la même grandeur que l'angle du coin du coffrage.
  15. Coffrage pour poteaux en béton avec plate-forme de travail selon l'une des revendications 1 à 12, caractérisé en ce que la plate-forme de travail (1) laisse libres des plans de joint (18, 19), auxquels une pièce de coffrage formée d'éléments de coffrage (14, 15), à laquelle la plate-forme de travail (1) peut être fixée, est reliée avec les autres éléments du coffrage (16, 17) lors du montage et les différentes pièces étant démontées lors du décoffrage.
EP92107151A 1991-04-27 1992-04-27 Plate-forme de travail pour coffrage de poteaux Expired - Lifetime EP0511615B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4113877A DE4113877A1 (de) 1991-04-27 1991-04-27 Arbeitsbuehne fuer saeulenschalung
DE4113877 1991-04-27

Publications (2)

Publication Number Publication Date
EP0511615A1 EP0511615A1 (fr) 1992-11-04
EP0511615B1 true EP0511615B1 (fr) 1995-01-25

Family

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Application Number Title Priority Date Filing Date
EP92107151A Expired - Lifetime EP0511615B1 (fr) 1991-04-27 1992-04-27 Plate-forme de travail pour coffrage de poteaux

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Country Link
EP (1) EP0511615B1 (fr)
AT (1) ATE117759T1 (fr)
DE (2) DE4113877A1 (fr)
ES (1) ES2070547T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2154512B1 (es) * 1997-01-27 2001-10-16 Extremadura 2000 De Estructura Plataforma de encofrado ajustable alrededor del pilar o del encofrado del pilar, para apoyo de figas prefabricadas.
ES2349601B1 (es) * 2008-07-04 2011-08-16 Sistemas Técnicos De Encofrados, S.A. Panel para encofrado en altura, con plataforma incorporada y utilizacion del mismo.
ITPD20120327A1 (it) * 2012-11-06 2014-05-07 Faresin Building Division S P A Piattaforma di servizio per casserature per la realizzazione di pilastri in calcestruzzo e simili
CN112727079A (zh) * 2021-01-27 2021-04-30 北京市住宅产业化集团股份有限公司 一种防护一体化的定型组合式模板及施工方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2071428A5 (fr) * 1969-12-29 1971-09-17 Bard Jean
US3617047A (en) * 1970-06-08 1971-11-02 Burke Concrete Accessories Concrete column form clamp and method
DE7143560U (de) * 1971-11-19 1972-02-10 Zipf, Kurt, 8702 Zeil Arbeitspodest fuer masten

Also Published As

Publication number Publication date
ES2070547T3 (es) 1995-06-01
DE59201255D1 (de) 1995-03-09
ATE117759T1 (de) 1995-02-15
DE4113877A1 (de) 1992-10-29
EP0511615A1 (fr) 1992-11-04

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