EP1689948A1 - Liaison d un coffrage autoportant pour la fabrication d`un plancher composite beton-acier - Google Patents
Liaison d un coffrage autoportant pour la fabrication d`un plancher composite beton-acierInfo
- Publication number
- EP1689948A1 EP1689948A1 EP04791515A EP04791515A EP1689948A1 EP 1689948 A1 EP1689948 A1 EP 1689948A1 EP 04791515 A EP04791515 A EP 04791515A EP 04791515 A EP04791515 A EP 04791515A EP 1689948 A1 EP1689948 A1 EP 1689948A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support lever
- self
- fixing
- bearing face
- connection
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
- E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/29—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated the prefabricated parts of the beams consisting wholly of metal
Definitions
- the present invention relates to the connection of a self-supporting metal formwork with the transverse beams on which it is supported.
- the formwork is intended in particular for the manufacture of a concrete-steel composite floor.
- To manufacture floors consisting of a concrete slab supported by metal beams it is known to use self-supporting forms consisting of profiled metal panels arranged side by side, supported by their ends on two parallel metal beams.
- To manufacture panels of omega section having a central upper rib longitudinally ribbed and two lateral wings extended by lower flanges. It is known to put such panels supported by their lower flanges on the upper flanges of the transverse beams.
- the object of the present invention is to overcome these disadvantages by proposing a connection between a profiled panel of a self-supporting metal formwork and a transverse support beam making it possible at the same time to make a floor of reduced thickness, to modify the calpinage at the same time. during the installation of the panels, to reduce the geometric imperfections of the panels and to ensure a good hold of the formwork to the right of its supports.
- the subject of the invention is a connection of a self-supporting formwork for the manufacture of a concrete-steel composite floor, of the type comprising at least one profiled panel comprising an upper central zone provided with longitudinal ribs, supporting at least one of its ends on the upper flange of a transverse beam by means of a support lever which protrudes transversely to the transverse beam in the manner of a cantilever arm.
- the support lever is a profile having an upper bearing face, and a lower bearing face, the upper bearing face having a longitudinal opening.
- the support lever is arranged on the upper flange of the transverse beam in line with a longitudinal rib of the upper central region of the at least one profiled panel, so that the longitudinal rib cooperates with the edges of the opening longitudinal of the upper bearing face.
- the support lever is held in position on the transverse beam by at least one fastening means.
- the support lever has a dovetail section, and the upper support face has two flanges extending laterally outwardly of the support lever.
- the support lever may also have a trapezoidal section, the upper bearing face having two upper flanges extending laterally towards each other, on either side of the longitudinal opening of the face of the upper support. In both cases, the edges of the upper flanges can be folded down.
- the lower bearing face may comprise longitudinal stiffening folds.
- the at least one means for fixing the support lever on the transverse beam may comprise at least one distribution plate and at least one bolt type fastening means, self-tapping screw or nail sealing, cooperating with the transverse beam.
- the fixing means of the support lever on the transverse beam may also comprise a fixing means disposed at each of the ends of the support lever, at least one fastening means comprising a plate comprising a recess disposed at one end of the support lever so as to pinching the wing of the transverse beam between said plate comprising a recess and the lower bearing surface of the support lever, and at least one fixing bolt and a clamping bolt cooperating with said plate comprising a recess, and with the face of lower support of the support lever via a distribution plate.
- the fixing means of the support lever may comprise a U-shaped clip fixed on the upper bearing surface of the support lever and cooperating with the lower face of a wing of the transverse beam.
- the profiled panel is fixed on at least one support lever by means of screws.
- the invention also relates to a device for fixing a self-supporting formwork on a transverse beam comprising a support lever consisting of a hollow profile having an upper bearing face having a longitudinal opening, and a means for fixing the support lever on a beam disposed on a first end of the hollow profile, at least one of said means for fixing the support lever on a beam consisting of a plate having a recess, a distribution plate and at least one fixing bolt and at least one clamping bolt.
- One of the means for fixing the support lever on a beam may consist of a U-shaped clip fixed on the upper face of the support lever via at least one screw or a bolt.
- the total thickness of the floor is reduced to a strict minimum, since the height of the formwork trays is not added in full to that of the beams, but instead, the trays are inserted in the height of the beams,
- FIG. 1 is a partial perspective view of a self-supporting formwork consisting of profiled panels supported by transverse beams.
- FIG. 2 is a schematic front view of a fixed connection of a profiled panel of a self-supporting formwork and a transverse support beam.
- FIG. 1 The self-supporting metal formwork generally indicated by 1 in FIG. 1, consists of a plurality of profiled panels 2 or 3 arranged side by side and between support beams 4 and 5 on which they rest by means of support levers 6, 6 'or 7, so as to form a continuous web on which it will be possible to pour concrete to achieve a concrete slab.
- FIG. 1 The self-supporting metal formwork generally indicated by 1 in FIG. 1, consists of a plurality of profiled panels 2 or 3 arranged side by side and between support beams 4 and 5 on which they rest by means of support levers 6, 6 'or 7, so as to form a continuous web on which it will be possible to pour concrete to achieve a concrete slab.
- the beam 4 corresponds to a bank beam of the concrete slab on which rests only a series of profiled panels 22 all arranged on the same side, whereas the beam 5 is an intermediate beam on which two series of profiled panels 2 and 3.
- a first series located on one side, consists of the identified panels 2, which also rest on the edge beam 4.
- a second series of marked panels 3 which rest on the other side of the beam 5 and another beam not shown in the figure.
- a profiled panel 2 or 3 with an Omega-shaped section so as to have a central zone 8 or 8 'extended on either side by side wings 9 (only one visible in the figure) or 9' extended by lower flanges 10 (only one visible in the figure) or 10 '.
- the upper central zone 8 or 8 ' comprises two longitudinal stiffening ribs 11, separated by a transverse groove 12 or 12'.
- the support levers 6, 6 'or 7 which rest on the one hand on the upper flanges 13 or 14 of the transverse support beams 4 or 5, consist of hollow sections extending partially under the central upper panels 8 or 8' of the panels sections 2 or 3, to the right of the ribs 11 or 11 'of the upper central range.
- the support lever 6 has a dovetail section which rests on its underside. 18 on the upper flange 13 of the support beam 4.
- the upper bearing surface 16 of the support lever 6 has a longitudinal opening 17 of width equal to the width of the longitudinal rib 11 of stiffening the upper central region 8 of the profiled panel 2, so that the stiffening rib 11 of the profiled panel 2 are embedded in the longitudinal opening 17 of the support lever.
- the longitudinal rib of the panel 11 of the profiled panel 2 co-operates with the edges of the longitudinal opening 17 of the support lever and thus makes it possible to center and maintain in position the profiled panel 2.
- the lever support 6 is attached to the sole
- the profiled panel 2 can be fixed on the supports 6 by means of self-tapping screws 21 which come to be fixed in the upper bearing face 16 of the support lever 6 by passing through the upper central zone 8 of the profiled panel 2.
- the connection between the panels of the formwork self-supporting and transverse support beams is adjustable and not fixed as in the previous case, which allows adjustments on sites on the one hand to change the calpinage, and secondly to compensate for geometric defects that can present the profiled panels.
- FIG. 3 corresponding to a first variant, there is shown the connection of two profiled panels 2 and 3 of a self-supporting formwork with an intermediate transverse beam 5 disposed between the two profiled panels 2 and 3.
- the panels 2 and 3 are supported by a support lever 7 extending cantilevered on either side of the upper flange 14 of the beam 5.
- the support lever 7 is a hollow section having a tail-shaped section. dovetail whose upper bearing surface 26 has a longitudinal opening 27 intended to cooperate with the rib 11 of the profiled panel 2 and with the longitudinal rib 11 'of the profiled panel 3.
- the panel 2 and the panel 3 are fixed on the upper bearing face 26 of the support lever 7 by means of self-tapping screws 34.
- the support lever 7 rests by its lower bearing face 28 on the upper flange 14 of the transverse beam. intermediate 5.
- the support lever 7 is fixed on the upper flange 14 of the intermediate transverse beam 5 by two identical Z-clip devices generally marked with 40, arranged at each of the ends 7 A and 7 B of the support lever 7. the corresponding parts of the two connecting means are identified by the same references. Only one of its clip fasteners will be described.
- the fastening device Z clip consists of a lower plate 29 having a recess 30, fixed under the lower bearing surface 28 of the support lever 7 so as to pinch the upper flange 14 of the beam 5, between the lower plate 29 and the lower bearing face 28 of the support lever 7.
- the lower plate with crocheting 29 is fixed on the support lever 7 by means of a fixing screw 31 disposed in the part of the lower plate 29 which is in contact with the lower bearing surface 28 of the support lever 7, and a bolt of tightening 32 disposed beyond the recess of the plate 29, so as to clamp the sole 14 of the transverse beam 5 between the plate 29 and the bearing face 28 of the support lever 7.
- the two bolts 31 and 32 cooperate with the lower wall of the support lever 7 by means of a distribution plate 33.
- FIG 4 corresponding to the second variant, there is shown a support lever 6 'on a transverse beam 4 located at the edge of a concrete slab.
- the support lever 6 ' supports only one profiled panel, and therefore only protrudes in cantilever on one side of the upper flange 13 of the transverse beam 4.
- the support lever 6' On the side where the support lever 6' supports a profiled panel 2, the support lever 6 'is fixed on the upper flange 13 of the transverse beam 4 by means of a Z-shaped clip generally marked 40 identical to that which has been described above.
- the support lever 6 'does On the other side, where the support lever 6 'does not have to support profiled panel and therefore does not exceed the edge of the upper flange 13 of the beam 4, the support lever 6' is maintained on the upper flange 13 of the beam 4 by means of a U-shaped clip generally indicated by 41 whose function is to take up the torque tending to raise the end of the support lever 6 'when a large load is supported by the profiled panel 2.
- This U-shaped clip 41 comprises a lower sole 42 which bears under the sole 13 of the beam 4, and an upper sole 43 which bears against the upper bearing face 16 'of the support lever 6'. and which is fixed on this upper bearing surface by a plurality of self-tapping screws 44.
- the flanges 42 and 43 of the U-shaped clip are interconnected by a web 45.
- This U-shaped clip is intended solely to prevent the tilting up the end of the support lever 6 which does not support profiled panel does not prevent to move laterally along the beam 4 the support lever 6 'when the Z-shaped clip 40 is loosened.
- the section of the support lever can have various shapes as shown in FIG. 5. It can for example, as in FIG. 5A, have a dovetail-shaped section with upper lateral wings 50A and 51A extending outwardly and flanking an opening 52A. They can also be as in FIG. 5B have a dovetail shape with wings 50 B and 51 B surrounding an opening 52 B, the wings 50 B and 51 B extending outwards and the banks 53 B and 54 B of these wings being folded towards the bottom.
- the lower bearing surface 55 B of the support lever may comprise stiffening ribs 56 B.
- FIG. 5A have a dovetail-shaped section with upper lateral wings 50A and 51A extending outwardly and flanking an opening 52A. They can also be as in FIG. 5B have a dovetail shape with wings 50 B and 51 B surrounding an opening 52 B, the wings 50 B and 51 B extending outwards and the banks 53 B and 54 B of these wings being folded towards the bottom.
- the lower bearing surface 55 B of the support lever may comprise stiff
- the profile may be trapezoidal in shape and the upper bearing face may comprise flanges 50 C and 51 C extending inwardly of the profile on either side of a longitudinal opening 52 C.
- the upper flanges 50D and 51D of the profile may have 53D and 54D rims folded downwards, these 53D and 54D edges surrounding the longitudinal opening 52D.
- the lower support faces of these profiles may also comprise longitudinal stiffening ribs. Any other form of profile is possible as long as they allow the support of the profiled panels for the soles upper transverse beams, being arranged in line with the longitudinal ribs of the upper surfaces of the profiled panels, so as to maintain in lateral position the profiled panels.
- any mode of attachment of the support levers on the upper flanges of the transverse beams can be adjusted at will is possible.
- the Z-shaped clip can be replaced by any clamping plate fulfilling the same function and the number of clamping or fixing bolts can be adapted according to the particular needs.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200430853T SI1689948T1 (sl) | 2003-10-14 | 2004-10-12 | Vez za samonosilni opaĹľ za izdelavo kompozitnegabetonskega in jeklenega poda |
PL04791515T PL1689948T3 (pl) | 2003-10-14 | 2004-10-12 | Połączenie deskowania metalowego samonośnego do produkcji kompozytowych stropów beton-stal |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0312001A FR2860815B1 (fr) | 2003-10-14 | 2003-10-14 | Liaison d'un coffrage autoportant pour la fabrication d'un plancher composite beton-acier |
PCT/FR2004/002586 WO2005038158A1 (fr) | 2003-10-14 | 2004-10-12 | Liaison d'un coffrage autoportant pour la fabrication d'un plancher composite beton-acier |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1689948A1 true EP1689948A1 (fr) | 2006-08-16 |
EP1689948B1 EP1689948B1 (fr) | 2008-10-01 |
Family
ID=34355467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04791515A Expired - Lifetime EP1689948B1 (fr) | 2003-10-14 | 2004-10-12 | Liaison d un coffrage autoportant pour la fabrication d`un plancher composite beton-acier |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP1689948B1 (fr) |
AT (1) | ATE409787T1 (fr) |
DE (1) | DE602004016881D1 (fr) |
DK (1) | DK1689948T3 (fr) |
ES (1) | ES2315718T3 (fr) |
FR (1) | FR2860815B1 (fr) |
HR (1) | HRP20080672T3 (fr) |
PL (1) | PL1689948T3 (fr) |
PT (1) | PT1689948E (fr) |
SI (1) | SI1689948T1 (fr) |
WO (1) | WO2005038158A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111608308A (zh) * | 2020-05-19 | 2020-09-01 | 黄通 | 一种分布式立体工厂楼板及制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1872984A (en) * | 1928-03-21 | 1932-08-23 | Mary Haines Marks | Building construction |
US3320704A (en) * | 1964-05-21 | 1967-05-23 | Nat Rolling Mills Co | Roof deck and method of construction |
US4741134A (en) * | 1984-07-02 | 1988-05-03 | Consolidated Systems, Inc. | Composite metal/concrete bar joist floor and method |
DE4215686C1 (de) * | 1992-05-14 | 1993-11-11 | Hoesch Siegerlandwerke Gmbh | Verbindung von Stahltrapezprofilen mit einer Unterkonstruktion bei einer als Beton-Stahl-Verbundkonstruktion ausgebildeten Dach- oder Deckenplatte |
DE4442211A1 (de) * | 1994-11-29 | 1996-06-05 | Hoesch Siegerlandwerke Gmbh | Gebogenes Trapezprofilblech für Dachkonstruktionen und Verfahren zur Herstellung eines derartigen Profilblechs |
-
2003
- 2003-10-14 FR FR0312001A patent/FR2860815B1/fr not_active Expired - Fee Related
-
2004
- 2004-10-12 EP EP04791515A patent/EP1689948B1/fr not_active Expired - Lifetime
- 2004-10-12 SI SI200430853T patent/SI1689948T1/sl unknown
- 2004-10-12 DE DE602004016881T patent/DE602004016881D1/de not_active Expired - Fee Related
- 2004-10-12 PL PL04791515T patent/PL1689948T3/pl unknown
- 2004-10-12 DK DK04791515T patent/DK1689948T3/da active
- 2004-10-12 ES ES04791515T patent/ES2315718T3/es not_active Expired - Lifetime
- 2004-10-12 PT PT04791515T patent/PT1689948E/pt unknown
- 2004-10-12 AT AT04791515T patent/ATE409787T1/de not_active IP Right Cessation
- 2004-10-12 WO PCT/FR2004/002586 patent/WO2005038158A1/fr active IP Right Grant
-
2008
- 2008-12-22 HR HR20080672T patent/HRP20080672T3/xx unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2005038158A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2860815A1 (fr) | 2005-04-15 |
ATE409787T1 (de) | 2008-10-15 |
PL1689948T3 (pl) | 2009-03-31 |
WO2005038158A1 (fr) | 2005-04-28 |
HRP20080672T3 (en) | 2009-02-28 |
DE602004016881D1 (de) | 2008-11-13 |
ES2315718T3 (es) | 2009-04-01 |
EP1689948B1 (fr) | 2008-10-01 |
SI1689948T1 (sl) | 2008-12-31 |
FR2860815B1 (fr) | 2006-02-24 |
PT1689948E (pt) | 2008-12-31 |
DK1689948T3 (da) | 2009-02-02 |
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