EP0279049A2 - Poutre support de panneaux de coffrage pour coffrages de béton - Google Patents

Poutre support de panneaux de coffrage pour coffrages de béton Download PDF

Info

Publication number
EP0279049A2
EP0279049A2 EP87118329A EP87118329A EP0279049A2 EP 0279049 A2 EP0279049 A2 EP 0279049A2 EP 87118329 A EP87118329 A EP 87118329A EP 87118329 A EP87118329 A EP 87118329A EP 0279049 A2 EP0279049 A2 EP 0279049A2
Authority
EP
European Patent Office
Prior art keywords
area
web
contact area
carrier according
perforations
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.)
Granted
Application number
EP87118329A
Other languages
German (de)
English (en)
Other versions
EP0279049A3 (en
EP0279049B1 (fr
Inventor
Niels Dipl.-Ing. Hollmann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT87118329T priority Critical patent/ATE68843T1/de
Publication of EP0279049A2 publication Critical patent/EP0279049A2/fr
Publication of EP0279049A3 publication Critical patent/EP0279049A3/de
Application granted granted Critical
Publication of EP0279049B1 publication Critical patent/EP0279049B1/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
    • E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
    • E04C3/292—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being wood and metal
    • 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
    • E04G11/50—Girders, beams, or the like as supporting members for forms
    • 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
    • E04G11/50—Girders, beams, or the like as supporting members for forms
    • E04G2011/505—Girders, beams, or the like as supporting members for forms with nailable or screwable inserts

Definitions

  • the invention relates to a formwork panel support for concreting formwork, which is designed as a profiled beam made of bent sheet metal, with a contact area for applying the respective formwork sheet, a web area that supports the contact area and a closing area on the edge of the web area facing away from the contact area.
  • formwork panel beams made of bent sheet metal are known with a profile that is essentially C-shaped in cross section, so to speak the middle region of the C the web area, which in the state attached to the formwork sheet is essentially perpendicular to the formwork sheet level, forms the web area, so to speak End area of the C forms the contact area and, so to speak, the other end area of the C forms the end area.
  • This known C-profile support made of bent sheet metal can be manufactured particularly easily. However, it is considered structurally unfavorable with regard to its load-bearing capacity, which also contributes to the fact that it is a profile that is wide open on one side. In order to achieve the required static values at all, the known support must be bent from relatively thick sheet metal.
  • the invention has for its object to provide a formwork panel support of the type mentioned with better load-bearing capacity or more favorable ratio of price and load-bearing capacity.
  • the carrier has a substantially T-shaped profile in cross section, in which the contact area is bent over at least for part of its width, the web area has two spaced web sheet areas and the end area connects the two web sheet areas forms.
  • the T-shaped profile could therefore be considered in view of the web area with two spaced web sheet areas and in view of the end area connecting the two web sheet areas -shaped profile.
  • the multilayered area of the contact area and the connection of the two web plate areas through the sealing area result in a material accumulation in the outer areas of the beam that is favorable for absorbing the bending stress that comes on the beam. This leads to a higher load-bearing capacity or the possibility of working with a lower plate thickness while maintaining the load-bearing capacity. This results in a more favorable ratio of weight or price to load carrying capacity.
  • the contact area is preferably not continuous, but rather has a slot-shaped interruption, so to speak.
  • This slot makes the carrier easier to manufacture and is favorable for the insertion of a wooden strip, which is discussed in more detail below. With the exception of this slot, it is preferably a closed profile cross section, which is further conducive to the load carrying capacity.
  • the carrier preferably has a wooden strip which is inserted adjacent to the contact area between the two web plate areas. This insertion can be carried out particularly economically by spreading the two web plate regions and then inserting them through the widened slot. It is possible to produce a clamping effect on the wooden strip, in particular if the web plate regions are designed to converge slightly before the wooden strip is inserted and run essentially parallel to one another after the wooden strip is inserted and thereby hold the wooden strip in a clamping manner.
  • the two web plate regions preferably have inward-facing projections formed by bending as a (rear) stop for the wooden strip.
  • the edges of the slot mentioned can be formed by projections of the contact area, which in turn form a (front) stop for the wooden strip, so that the wooden strip is positively enclosed on all sides.
  • the wooden strip used primarily serves to fasten the respective formwork panel to the relevant support, in particular by means of screws inserted from the front of the formwork panel or also by means of nails.
  • the end region is partially multi-layered and has the shape of an undercut groove in cross section.
  • the undercut groove can be used for the particularly convenient attachment of crossbars or cross belts to the formwork panel supports and / or for attaching auxiliary parts, such as props, concrete consoles, etc.
  • the contact area preferably has a row of perforations on one side or on both sides of the web area. These perforations can be used in particular for fastening the formwork panel to the respective support, preferably for screwing on from the rear of the formwork panel.
  • the web area has at least one row of perforations, in particular a row of perforations in the area where the wooden strip is inserted.
  • This can be a row of perforations which alternately have larger and smaller holes, in particular the smaller holes can be used to additionally fix the wooden strip by means of nails or screws.
  • the perforations described in the last two paragraphs can preferably be provided in a grid dimension which is preferably an integral fraction of the standard carrier length. This is a practical relief for the possibility of shortening the carrier, in particular to a shorter standard length, or of placing shorter carriers connected to one another in the longitudinal direction, in order to thereby produce carriers of a larger standard length.
  • a series of perforations in the web area in the vicinity of the end area can be used in particular to attach transverse bolts there, in which parts of a connecting and aligning system for connecting beams in the longitudinal direction engage.
  • a bearing area 2 a land area 4 and a termination area 6 of a beam 8 can be seen particularly clearly.
  • the beam profile is bent from sheet metal 10.
  • the profile shape of the carrier 8 can be considered substantially T-shaped or more precise than -shaped or omega-shaped (if you look at the letter omega with straightening instead of the general rounding).
  • the cross section of the beam is completely symmetrical to its central axis 12.
  • the web area 4 is formed by two web plate areas 14 running parallel to one another with a mutual spacing of approximately three to fifteen centimeters.
  • the sheet 10 is bent outwards by 90 ° and bent back by 180 ° after a distance which is somewhat smaller than the distance between the web sheet area, the bent-back area forming an extension 16 somewhat further in the direction the central axis 12 further goes as corresponds to the web plate area 14 there.
  • a slot 18 is thus formed between the two extensions 16, which is slightly narrower than the distance between the two web plate regions 14.
  • the sheet metal bends described have created a two-layer contact region 2, the plane of which extends at right angles to the planes of the two web plate regions 14.
  • the sheet 10 is first bent inwards by 90 ° on each side, then bent back by a piece by 180 °, then bent again by 90 °, parallel to the edge of the web sheet area 14 in question, and then by 90 ° bent inwards, here, with a continuous sheet 10, so to speak, the connection between the two halves of the carrier 8, which are symmetrical to the central axis 12, is made.
  • a bend region 6 is formed by the bends described, which has the shape of an undercut groove and which, with the exception of the actual connecting region 20, has two layers.
  • a wooden strip 24 with a square cross section is received in a form-fitting manner.
  • the slot 18 has been widened by elastically spreading the web plate regions 14. If the web plate regions 14 run slightly towards one another before the wooden strip 24 is inserted, there is additionally a clamping engagement of the wooden strip 24 between the two web plate regions 14.
  • a series of perforations 26 is provided in the contact area 2 on each side of the web area 4. Furthermore, the web plate regions 14 are provided with perforations where the wooden strip 24 is inserted, namely alternately large-diameter perforations 28 and small-diameter perforations 30. Finally, the web plate regions 14 in the vicinity of the end region 6 are each provided with a series of perforations 32. The perforations 28 and the perforations 32 are punched at a mutual pitch a. The perforations 30 are located in the middle between two adjacent perforations 28.
  • FIG. 3 shows an example of the construction of a concreting formwork with the aid of beams 8 according to the invention.
  • a formwork plate 34 is fastened to a plurality of beams 8 which run parallel to one another, specifically by means of screws which extend from the front of the formwork plate 34 into the wooden strip 24 are screwed, and / or with the aid of screws which are screwed into the back of the formwork plate 34 from the support through the contact area 2.
  • the level of the contact area 2 is parallel to the level of the formwork plate 34, and the web area 4 protrudes at right angles from the level of the formwork plate 34.
  • a cross bar 36 connects a plurality of beams 8.
  • the cross bar 36 is fastened to the beams 8 by inserting a fastening tab, not shown, into the undercut groove 38 of the end region 6 of the respective beam 8 by approximately 90 ° has been rotated to reach behind the groove projections and then tightened by means of a screw bolt 40.
  • the nut of the screw bolt is pulled against a further tab 42 which engages behind suitable projections of the cross bar 36.
  • FIG. 3 also shows how adjacent beams 8 can be coupled to one another in the longitudinal direction, specifically by means of a connection and alignment system 44.
  • This system has a rail 46 which is placed on the end regions 6 of the two beams 8.
  • Clamping pieces 48 which cooperate with bolts 50 inserted into the bores 32, clamp the rail 46 between them and the respective carrier 8. This results in a very stable longitudinal connection of two adjacent beams 8 and also an alignment of the two formwork panels 34 which are fastened to the adjacent beams 8.
  • the perforations 28 and 32 can in particular also serve as attachment or engagement points for a wide variety of auxiliary parts, for example butt straps, crane hooks, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
EP87118329A 1987-02-19 1987-12-10 Poutre support de panneaux de coffrage pour coffrages de béton Expired - Lifetime EP0279049B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87118329T ATE68843T1 (de) 1987-02-19 1987-12-10 Schalungsplatten-traeger fuer betonierungsschalungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873705356 DE3705356A1 (de) 1987-02-19 1987-02-19 Schalungsplatten-traeger fuer betonierungsschalungen
DE3705356 1987-02-19

Publications (3)

Publication Number Publication Date
EP0279049A2 true EP0279049A2 (fr) 1988-08-24
EP0279049A3 EP0279049A3 (en) 1989-02-01
EP0279049B1 EP0279049B1 (fr) 1991-10-23

Family

ID=6321361

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87118329A Expired - Lifetime EP0279049B1 (fr) 1987-02-19 1987-12-10 Poutre support de panneaux de coffrage pour coffrages de béton

Country Status (4)

Country Link
EP (1) EP0279049B1 (fr)
AT (1) ATE68843T1 (fr)
DE (2) DE3705356A1 (fr)
ES (1) ES2027684T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995008036A1 (fr) * 1993-09-13 1995-03-23 Channel Form Systems Inc. Systeme de poutres en u et de boulons a t
EP0869233A1 (fr) * 1997-04-04 1998-10-07 Encofrados J. Alsina, S.A. Poutre de coffrage
EP0959199A1 (fr) * 1998-05-19 1999-11-24 Pierangelo Giachino Elément pour former des coffrages
FR2840001A1 (fr) * 2002-05-27 2003-11-28 Jalmat Ind Mediterranee Poutre de coffrage et son procede de fabrication
EP3073029A1 (fr) 2015-03-24 2016-09-28 Voestalpine Krems GmbH Support de coffrage
EP3075924A1 (fr) * 2015-03-30 2016-10-05 Voestalpine Krems GmbH Fer de traverse destiné à la fixation de support de coffrage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2120005C1 (ru) * 1998-03-03 1998-10-10 Соболев Валериан Маркович Металлодеревянная балка
DE102016111211B4 (de) 2016-06-20 2024-11-14 Ewald Kläs Schalungssystem für die Errichtung niedriger Bauabschnitte aus Ortbeton

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2167835A (en) * 1937-12-29 1939-08-01 Gerald G Greulich Structural joist or nailer stud
GB560461A (en) * 1942-08-27 1944-04-05 Walter John Worthington Improvements in beams for use in building construction
DE829783C (de) * 1943-06-23 1952-01-28 Nat Steel Corp Nagelbares metallisches Bauelement
FR993567A (fr) * 1949-06-10 1951-11-02 Nat Steel Corp Perfectionnements aux poutres métalliques
NL6906946A (fr) * 1969-05-07 1970-11-10
BE780922A (fr) * 1972-03-20 1972-07-17 Tropimex A G Structure porteuse pour coffrages, cintres de charpente et analogues
GB1551031A (en) * 1975-04-15 1979-08-22 Catnic Components Ltd Lintels
DE3004860A1 (de) * 1980-02-09 1981-08-20 geb. Layher Ruth 7129 Güglingen Langer I-foermiges traegerprofil aus leichtmetall
DE8110483U1 (de) * 1981-04-07 1981-10-08 Schwechheimer, Jürgen, 4053 Jüchen Schalungstraeger
FR2538435B1 (fr) * 1982-12-22 1985-08-23 Latappy Pierre Poutrelles en alliage leger a moment d'inertie accru et leur procede de fabrication

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995008036A1 (fr) * 1993-09-13 1995-03-23 Channel Form Systems Inc. Systeme de poutres en u et de boulons a t
EP0869233A1 (fr) * 1997-04-04 1998-10-07 Encofrados J. Alsina, S.A. Poutre de coffrage
EP0959199A1 (fr) * 1998-05-19 1999-11-24 Pierangelo Giachino Elément pour former des coffrages
FR2840001A1 (fr) * 2002-05-27 2003-11-28 Jalmat Ind Mediterranee Poutre de coffrage et son procede de fabrication
EP3073029A1 (fr) 2015-03-24 2016-09-28 Voestalpine Krems GmbH Support de coffrage
WO2016151128A1 (fr) 2015-03-24 2016-09-29 Voestalpine Krems Gmbh Porte-coffrage et coffrage à béton avec ce porte-coffrage
EP3075924A1 (fr) * 2015-03-30 2016-10-05 Voestalpine Krems GmbH Fer de traverse destiné à la fixation de support de coffrage
WO2016156444A1 (fr) * 2015-03-30 2016-10-06 Voestalpine Krems Gmbh Coffrage en béton et traverse associée

Also Published As

Publication number Publication date
ATE68843T1 (de) 1991-11-15
DE3705356A1 (de) 1988-09-01
EP0279049A3 (en) 1989-02-01
DE3774116D1 (de) 1991-11-28
ES2027684T3 (es) 1992-06-16
EP0279049B1 (fr) 1991-10-23

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