EP0054131A1 - Schalungssystem für Deckenschalungen - Google Patents

Schalungssystem für Deckenschalungen Download PDF

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Publication number
EP0054131A1
EP0054131A1 EP81108602A EP81108602A EP0054131A1 EP 0054131 A1 EP0054131 A1 EP 0054131A1 EP 81108602 A EP81108602 A EP 81108602A EP 81108602 A EP81108602 A EP 81108602A EP 0054131 A1 EP0054131 A1 EP 0054131A1
Authority
EP
European Patent Office
Prior art keywords
formwork
arm
supports
support
formwork system
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.)
Withdrawn
Application number
EP81108602A
Other languages
German (de)
English (en)
French (fr)
Inventor
Wolfgang Markewitz
Heinz Schwechheimer
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.)
Huennebeck Deutschland GmbH
Original Assignee
Huennebeck 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 Huennebeck GmbH filed Critical Huennebeck GmbH
Publication of EP0054131A1 publication Critical patent/EP0054131A1/de
Withdrawn legal-status Critical Current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
    • E04G11/36—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
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/486—Dropheads supporting the concrete after removal of the shuttering; Connecting means on beams specially adapted for dropheads

Definitions

  • the invention relates to a formwork system for slab formwork, which consists of supports and formwork panels to be supported by these, which form a continuous formwork surface with their edges abutting one another.
  • Slab formwork is currently being created in such a way that steel tube supports that have been set to a specific length, formwork girders that can be prefabricated, or so-called yokes that are cut at the construction site are placed. Depending on the expected load of the concrete forming the ceiling, further cross beams or timber are placed in the transverse direction and the formwork panels or slabs are placed on them. In known formwork systems, prefabricated formwork panels are placed between also prefabricated formwork beams placed on the steel pipe supports.
  • Warehousing tailored to all applications also requires a large number of individual parts.
  • the invention has for its object to provide a formwork system for concrete slabs, which largely avoids the aforementioned disadvantages of a girder formwork and the storage is designed so that with a few individual parts, so low investment, an almost 100% utilization rate is achieved.
  • a further solution to the problem according to the invention is the method that can be used for the first time in this system of alternately constructing so-called basic and intermediate fields during the assembly and disassembly of the formwork in the vocational step.
  • This has the great advantage that the supports of the basic fields can be built like a frame and can be equipped with work platforms for operation, and the panels of the intermediate fields that have to be retrofitted can be installed on swiveling cantilever arms of the basic fields.
  • the entire system thus consists of only three individual parts with dimensions that are fixed in size.
  • a frame-like scaffold made of tubular steel supports and head pieces connecting them serves as the supporting structure. Warehousing and operation are thus problem-free and the investment and assembly costs are reduced and predictable with almost 100% utilization.
  • the formwork panels are first attached to the supports of adjacent supports with an edge, whereupon the opposite end of this formwork panel is swung up into the desired horizontal operating position and placed on the next support so that it is in the desired operating position. All this work can be carried out from below, so that no additional workers are required to place formwork panels from above on the supports that have already been erected. Depending on the size and weight of the formwork panels, they can be handled by one or more people.
  • the edges or lower edges of the frame of the formwork panels form a kind of pan joint in connection with the supports of the supports, which ensures that the formwork panels can be pivoted relative to the supports.
  • two supports are connected at their upper ends by a head piece in such a way that they are at a distance from one another which is somewhat less than the width of a formwork panel.
  • the headers supported in this way support the formwork panels of a base field.
  • a short cantilever arm is arranged on each side of the head piece and swings out as a kind lowerable support for the formwork panels of the intermediate field.
  • Each cantilever arm has a support at the outer end with a projection in order to be able to install and hold the formwork panels of the intermediate fields in the manner described above.
  • the cantilever arms can be designed as levers pivotable about a horizontal axis, the pivoting movements of which can be brought about with a simple tool, such as a rod, for which the worker does not have to reach the individual levers. Rather, actuation from normal floors is possible without problems, even with larger ceiling heights.
  • a rod can be used to pivot the individual levers into their operating position and also to release the pawl assigned to each lever if a lever is to be pivoted back out of the operating position, for example when stripping.
  • a slab formwork can be created in two rows, which alternate with each other, with a row of formwork panels being supported directly by the supports and the head pieces connecting them, while the next row, which is immediately adjacent, is supported by the cantilever arms which have been swung out .
  • the formwork panels resting on the cantilever arms can be removed by swinging the cantilever arms back so that the relevant formwork panels are exposed for removal.
  • the ceiling needs another one Support, the formwork panels supported vertically on the supports can remain. This means that some of the formwork panels used are available again relatively quickly, while the not yet completely solidified ceiling remains supported over a large area, namely over individual rows of formwork panels, until it can also be removed here.
  • the amount of work and time required to dismantle part of the formwork panels is significantly less compared to the previous practice of stripping first and then placing auxiliary supports.
  • the slab formwork 1 is constructed from individual formwork panels 2 and these supporting columns 3, as shown in FIG. 1. First of all, individual supports 3 are set up and then one formwork panel 2 with one end is hung into each of them, whereupon the free, hanging end), this formwork panel 2 is pivoted up and onto the next one support 3 to be set up is placed, as shown in Fig. 1 in dashed lines. In this way, the slab formwork 1 can be built up from below with little effort.
  • the supports 3 are customary extendable tubular steel supports which are connected in pairs to one another via a yoke-like head piece 4 to be placed on them, which serves as a support for the formwork panels 2, which is explained in more detail below.
  • the supports 3, which are combined in pairs by a head piece 4, are one behind the other in FIG. 1, so that only the respective front support 3 can be seen.
  • Fig. 2 shows the formwork after a concrete ceiling 18 has been completed.
  • the individual formwork panels 2 are successively removed by first pivoting back the levers 30 carrying them from a pair of supports so that the now released end of the formwork panel 2 can pivot down until it hangs practically vertically. Now it can depend on the next levers 30.
  • the formwork panels 2 supported directly by the pairs of supports are removed by first removing the pair of supports at one end of the relevant formwork panel 2 and allowing this formwork panel to swing down.
  • the formwork was erected in the same way, but in the reverse order,
  • Each head piece 4 has at its two ends such sleeves 37, which serve to receive a tubular adapter 3a, which can be inserted into the upper end of a support 3 and is locked by means of a pin 38, as can be seen from FIGS. 5 and 6 .
  • Each pawl 35 has a double-armed bolt 40 which can be pivoted about a horizontal axis 39 and whose shorter arm 41 is designed as a lug 41a which interacts with the lever arm 34 of the lever 30.
  • the longer and heavier arm 42 is provided on its underside with a projecting web 43 which interacts with the horizontal flange 44 of an L-shaped or U-shaped receptacle 45 of the locking bolt 35 as an end stop.
  • the bar 40 is the weight of the longer 1st Arm 42 pressed into the position shown in FIGS. 4 and 6, in which the web 43 rests on the flange 44.
  • a compression spring 46 arranged between the flange 44 and the shorter arm 41 supports the return of the bolt 40 in the event of contamination or the like.
  • a downwardly projecting extension 47 is attached, which protrudes beyond the lower edge of the yoke 4 and is used for attaching a release tool, such as a simple rod 48, which is used by a person standing on the floor 49, as shown in FIG 7 shows. :
  • the rod 48 can be used not only to release the pawl 35, but also to pivot the individual levers 30 into their operating position, as shown in FIG. 8.
  • the rod 48 is then attached to the lever arm 31 provided with the support 32 in order to pivot it up.
  • the lever arm 34 comes into contact with the upper side of the latch 40, it presses its arm 41 downward against the compression spring 46 until the rounded outer end 34a has passed over the rounded nose 41a of the arm 41.
  • the latch 40 then falls back into its starting position, in which it is additionally secured by the compression spring 46, so that the lever 30 is held in its operating position shown in FIG. 4.
  • the lever 30 is thus when swung up into his Let snap end position from which it can only be released again if the bolt 40 is deliberately lifted to the position shown in Fig. 5.
  • the head piece 4 has at its two ends a flat support 49 with two upstanding truncated pyramid-like lugs 50 for placing and setting up the corners of the formwork panels 2, so that these abut one another after assembly and form a continuous formwork surface on the top, as can be seen in the drawings.
  • two lugs 50 are arranged one behind the other on each support 49 at each end of the head piece 4, just as each lever 30 has two lugs 33.
  • four noses 33 and 50 there are in the areas in which four formwork panels 2 meet with their corners, four noses 33 and 50, so that in the corner of the frame 2a of each formwork panel 2 a nose engages in order to fix the position of this corner and a slipping of the Prevent formwork panel on the support 32 or 49.
  • lever 30 which engages in its swiveled-out operating position behind the resilient pawl 35 and also the formwork panels 2 can be remotely operated by means of a rod 48 or a similar tool, so that no one is directly involved in the construction of the ceiling formwork 1 or in dismantling the same must reach these levers and the formwork panels at the top.
  • the levers 30 fall due to the greater weight of the lever arm 31 10 when the bolt 40 is released, so that they do not hinder the installation or removal of formwork panels 2. In particular, stripping can be accelerated. ;
  • the formwork system described and shown in the drawing consists of three basic elements, namely the supports to be placed vertically, the head pieces connecting them in pairs and the formwork panels to be mounted horizontally on these. Cross members to support the formwork panels in the formwork position are not required. From the three basic elements, slab formwork of any area and / or height can be erected or expanded from below with the lowest personnel requirements, whereby the expansion can be carried out in such a way that initially only part of the formwork panels, namely the intermediate fields of formwork panels stored on the swung out levers 30, are removed is, while the other formwork panels (the basic fields) are only removed when the concrete ceiling 18 has achieved sufficient strength.
  • the formwork panels 2 engage with their downwardly open frame 2a, the lugs 33 and 50, about which they can be pivoted in an articulated manner, so that the formwork panels 2 can be attached to the head pieces 4 in the manner shown in FIG. 1, for example.

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)
  • Polyesters Or Polycarbonates (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
EP81108602A 1980-12-09 1981-10-21 Schalungssystem für Deckenschalungen Withdrawn EP0054131A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803046284 DE3046284A1 (de) 1980-12-09 1980-12-09 Schalungssystem fuer deckenschalungen
DE3046284 1980-12-09

Publications (1)

Publication Number Publication Date
EP0054131A1 true EP0054131A1 (de) 1982-06-23

Family

ID=6118656

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81108602A Withdrawn EP0054131A1 (de) 1980-12-09 1981-10-21 Schalungssystem für Deckenschalungen

Country Status (9)

Country Link
US (1) US4467993A (da)
EP (1) EP0054131A1 (da)
JP (1) JPS57123368A (da)
CA (1) CA1172464A (da)
DE (1) DE3046284A1 (da)
DK (1) DK527281A (da)
ES (1) ES507197A0 (da)
NO (1) NO813953L (da)
ZA (1) ZA818454B (da)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0130425A2 (de) * 1983-07-02 1985-01-09 Hünnebeck-RöRo Gesellschaft mit beschränkter Haftung Deckenschalung
DE19922290B4 (de) * 1999-05-14 2006-12-21 Holger Apfel Haltekopf für Stützen unter Deckentischen
WO2011089148A1 (de) * 2010-01-20 2011-07-28 Doka Industrie Gmbh Fallkopf für ein deckenschalungssystem und deckenschalungssystem
DE102004004883B4 (de) 2003-08-04 2021-10-14 Friedrich Ischebeck Gmbh Deckenschalungs-Paneel und System-Deckenschalung
US11149434B2 (en) * 2017-08-02 2021-10-19 Doka Gmbh Method for producing a ceiling element and ceiling formwork

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0583193U (ja) * 1991-06-19 1993-11-09 中央ビルト工業株式会社 支保工の施工方法
DE4204773C2 (de) * 1992-02-18 1996-02-22 Peri Gmbh Deckenschalung mit einer Stütze und Fallhülse
DE4211136C2 (de) * 1992-04-03 1997-04-17 Gerhard Dingler Vorrichtung zur Deckenschalung
US5802795A (en) * 1997-11-14 1998-09-08 Feather Lite Innovations, Inc. Self-retaining pin for concrete wall panels
CA2416644C (en) * 2003-01-20 2010-07-20 Paul Gillespie Concrete slab form system
DE10351255B4 (de) 2003-11-03 2014-09-04 Peri Gmbh Absenkvorrichtung für eine Tragkonstruktion
ES2347744B1 (es) * 2008-06-02 2011-07-22 Sistemas Tecnicos De Encofrados, S.A. "util para demontaje de soportes para encofrados de piso".
DE102017210195A1 (de) * 2017-06-19 2018-12-20 Peri Gmbh Stützenkopf mit absenkbarer Auflagerungshöhe für eine Schalungsstütze
DE102021213606A1 (de) * 2021-12-01 2023-06-01 Doka Gmbh Deckenschalungselement
DE102022204031A1 (de) 2022-04-26 2023-10-26 Doka Gmbh Handhabungsgerät

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB337111A (en) * 1929-04-01 1930-10-30 Henry William Roos Improvements in apparatus for constructing concrete floors
DE1434365A1 (de) * 1964-02-03 1968-10-31 Kwikform Ltd Verfahren und Vorrichtung zum Herstellen von Schalungen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1429412A (en) * 1919-11-21 1922-09-19 Hydraulic Pressed Steel Co Support for concrete forms
US2866252A (en) * 1958-05-07 1958-12-30 Walter H Cobi Concrete form holders
US3130470A (en) * 1961-01-24 1964-04-28 Symons Mfg Co Concrete wall form installation
US3052008A (en) * 1961-01-24 1962-09-04 Symons Mfg Co Panel-supporting stringer assembly for a concrete floor slab
US3430910A (en) * 1967-02-06 1969-03-04 Symons Mfg Co Stringer-releasing shore assembly for a concrete slab form installation
US3630479A (en) * 1969-04-23 1971-12-28 Futura Roofs Inc Monolithic slab for roofs, floors, platforms, and the like
US3689020A (en) * 1971-03-25 1972-09-05 Sidney L Martin Device useful in forming concrete structural slabs
US3917214A (en) * 1974-06-12 1975-11-04 Waco Scaffold & Shoring Co Flying form
US4192623A (en) * 1975-09-29 1980-03-11 Borg Carl W Adjustable joist hanger

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB337111A (en) * 1929-04-01 1930-10-30 Henry William Roos Improvements in apparatus for constructing concrete floors
DE1434365A1 (de) * 1964-02-03 1968-10-31 Kwikform Ltd Verfahren und Vorrichtung zum Herstellen von Schalungen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0130425A2 (de) * 1983-07-02 1985-01-09 Hünnebeck-RöRo Gesellschaft mit beschränkter Haftung Deckenschalung
EP0130425A3 (en) * 1983-07-02 1986-08-06 Hunnebeck Gmbh Form work for floors
DE19922290B4 (de) * 1999-05-14 2006-12-21 Holger Apfel Haltekopf für Stützen unter Deckentischen
DE102004004883B4 (de) 2003-08-04 2021-10-14 Friedrich Ischebeck Gmbh Deckenschalungs-Paneel und System-Deckenschalung
WO2011089148A1 (de) * 2010-01-20 2011-07-28 Doka Industrie Gmbh Fallkopf für ein deckenschalungssystem und deckenschalungssystem
US11149434B2 (en) * 2017-08-02 2021-10-19 Doka Gmbh Method for producing a ceiling element and ceiling formwork

Also Published As

Publication number Publication date
ES8300163A1 (es) 1982-11-01
CA1172464A (en) 1984-08-14
DK527281A (da) 1982-06-10
ES507197A0 (es) 1982-11-01
ZA818454B (en) 1982-10-27
JPS57123368A (en) 1982-07-31
US4467993A (en) 1984-08-28
NO813953L (no) 1982-06-10
DE3046284A1 (de) 1982-07-08

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Inventor name: SCHWECHHEIMER, HEINZ

Inventor name: MARKEWITZ, WOLFGANG