WO1993009312A1 - Panneau de coffrage de dalle - Google Patents
Panneau de coffrage de dalle Download PDFInfo
- Publication number
- WO1993009312A1 WO1993009312A1 PCT/FR1992/001031 FR9201031W WO9309312A1 WO 1993009312 A1 WO1993009312 A1 WO 1993009312A1 FR 9201031 W FR9201031 W FR 9201031W WO 9309312 A1 WO9309312 A1 WO 9309312A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- panel
- formwork
- panels
- intended
- panel according
- Prior art date
Links
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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
- E04G1/153—Platforms made of plastics, with or without reinforcement
-
- 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
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/05—Forming boards or similar elements the form surface being of plastics
Definitions
- the present invention relates to a slab formwork panel intended to be disposed between two rows of
- Î parallel beams was based on the international formwork f borrowire a head capable of occupying at least two vertical positions.
- the purpose of the present invention is to remedy at least in part to these drawbacks by providing a reusable panel incorporating in its structure elements intended * to replace the secondary beams of the above solution ⁇ mentioned so that the two operations poses s, secondary beams and panels is replaced by a single panel installation operation from below.
- the subject of the present invention is a formwork panel intended to be placed between two rows of parallel beams resting on props by means of
- Figure 1 is a plan view of a portion of a slab formwork system using the panel object of the invention.
- Figure 2 is a sectional view along line II-II of Figure 1.
- Figure 3 is a sectional view along line III-III of Figure 1.
- FIG. 4 is a view of a variant of FIG. 3.
- FIG. 5 is a sectional view along arrow V of FIG. 1.
- Figure 6 is a view of Figure 5 illustrated in another position.
- each formwork head 2 has a tubular part 4 provided with two pins 5 diametrically opposite ( Figure 6) and two sliding elements one constitutes by a support 6 provided with fins 6 intended to penetrate into grooves 1a formed transversely under the ends of the primary beams 1, the other by a rotary bolt 7 intended to cooperate with the pins 5 to fix the support 6 in the high position.
- This shuttering head is not part of the present invention, it may explain how the formwork takes place as we will see later.
- Two attachment profiles 8 protrude laterally on either side of the primary beam 1.
- the structure of primary beams which has just been described is intended to receive the formwork panel 9 object of the present invention.
- this panel essentially comprises a sandwich structure comprising two external layers formed from a composite material 10 based of a vinylester resin chosen for its good chemical resistance, in particular with respect to the constituents of concrete and good temperature resistance. Its implementation is rapid and its good fluidity ensures good wetting of the reinforcing filaments incorporated in the resin.
- the tubular profiles 11 are arranged so as to extend transversely to the primary beams 1.
- the tubular profiles 11 located at the ends of the panel 9 have, in the extension of their end face 11a two flanges 11b projecting respectively from the upper faces and lower. These edges 11b have a height equal to the thickness of the composite 10 and are intended to protect the edge of the composite.
- REPLACEMENT SHEET perpendicular to the tubular profiles 11 are covered with an aluminum strip 13 which can be welded to the ends of the tubular profiles 11 and glued to the mouse between these tubes ( Figure 3).
- connection between the panel 9 and the primary beams is obtained by fixing under the panel at the places where the ends of the tubular sections 11 are located, hooks 14 which penetrate into the channel formed by the attachment profiles 8 which projects from on either side of the primary beam 1.
- hooks 14 can, in the variant illustrated in FIG. 3, be glued to the layer of composite material 10 or be screwed into the metal profile 11.
- the aluminum strip 13 is replaced by an aluminum profile 15 in the form of a slide on which the hooks 16 are slidably mounted.
- This variant has the advantage of allowing successive use of the two panel faces. When one side is out of use, the hooks 16 and the panel 9 are turned over to use the other side, which doubles the life of the panel.
- This strip 17 can also be produced from a readable composite material.
- the panel 9 can be produced using sheets of composite material 1.2 mm thick comprising three layers of glass filaments with a modulus of elasticity of 70,000 MPa oriented one in the longitudinal direction, the others at 45 * on either side of the longitudinal direction.
- the module considered according to these guidelines is 49,500 MPa.
- the resin modulus is 3000 MPa and the volume proportion of the resin is 40%.
- We can consider that the effective module of the composite is around 24000 MPa.
- This example shows that the panel according to the example above is widely dimensioned since the maximum admissible deflection is 1/400 so that one can choose a foam of lower density and also reduce the weight of the composite.
- a panel according to the above example of 1.5 x 1.6 m represents a weight of the order of 18 Kg which, as we have seen, is capable of being lightened. If we compare the panel in this example to a traditional wooden panel of the same size, we obtain a reduction of 4 to 11 kg which can undoubtedly be further increased as we have seen.
- the elastic modulus of the resin material of each layer of composite material is at least equal to 2500 MPa - in particular at least equal to 3000 MPa.
- the density of the foam 12 can be between 20 and 150 kg / m 3 - in particular between 20 and 90 kg / m 3 -.
- the invention also relates to a slab formwork comprising rows of parallel beams 1 resting on props by means of a formwork head capable of occupying at least two vertical positions, characterized in that it comprises formwork panels 9 according to the invention intended to be arranged between and hooked to each pair of parallel beams 1 in extension of each other so as to form a continuous planar formwork surface.
- the formwork is characterized in that it comprises a strip 17 placed above each beam 1 and formwork heads 2 in the interval separating two panels 9 arranged on either side of the beam and whose the upper face is at n i calf those panels 9.
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)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR91/14042 | 1991-11-07 | ||
FR9114042A FR2683575B1 (fr) | 1991-11-07 | 1991-11-07 | Panneau de coffrage de dalle. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993009312A1 true WO1993009312A1 (fr) | 1993-05-13 |
Family
ID=9418932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1992/001031 WO1993009312A1 (fr) | 1991-11-07 | 1992-11-05 | Panneau de coffrage de dalle |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0571600A1 (fr) |
CA (1) | CA2099492A1 (fr) |
FR (1) | FR2683575B1 (fr) |
WO (1) | WO1993009312A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2264296A1 (es) * | 2003-05-26 | 2006-12-16 | Ingenieria De Encofrados Y Servicios, S.L. | Estructura para encofrado de pisos de hormigon y procedimiento de encofrado correspondiente. |
ES2296430A1 (es) * | 2004-09-16 | 2008-04-16 | Eugenio Del Castillo Cabello | Sistema de encofrado recuperable. |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2370603B (en) * | 2000-10-07 | 2004-06-16 | Odell Consultants Ltd | Improvement in concrete shuttering platforms and support beams |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1500597A (fr) * | 1965-11-22 | 1967-11-03 | élément de raidissement et de plancher pour les échafaudages métalliques ou en bois | |
US3592435A (en) * | 1968-09-09 | 1971-07-13 | Mattingly Inc | Form structure |
FR2136813A5 (fr) * | 1971-04-28 | 1972-12-22 | Kwikform Ltd | |
LU66654A1 (fr) * | 1971-12-16 | 1973-02-14 | ||
US4163824A (en) * | 1973-10-19 | 1979-08-07 | Exxon Research & Engineering Co. | Fiber foam and process |
EP0018187A2 (fr) * | 1979-04-12 | 1980-10-29 | Al-Futtaim Industries (Private) Limited | Section de tête pour une poutre de coffrage |
FR2501267A1 (fr) * | 1981-03-03 | 1982-09-10 | Entrepose | Plancher d'echafaudage |
US4680214A (en) * | 1986-03-12 | 1987-07-14 | Polymetrics Corporation | Reinforced foam composites |
DE3601290A1 (de) * | 1986-01-17 | 1987-07-23 | Stefan Biffar | Verfahren und vorrichtung zum herstellen von geruestbrettern sowie geruestbrett |
WO1987005353A1 (fr) * | 1986-03-05 | 1987-09-11 | Rolf Zollinger | Element en forme de planche, notamment pour coffrages a beton |
WO1989009691A1 (fr) * | 1988-04-08 | 1989-10-19 | Centrite Corporation | Composites polymeres renforces |
WO1990001602A1 (fr) * | 1988-07-29 | 1990-02-22 | Werner Fehr | Plaque de coffrage avec un panneau de coffrage en plastique et son procede de fabrication |
EP0451617A1 (fr) * | 1990-04-11 | 1991-10-16 | Langer geb. Layher, Ruth | Crochet de support pour plate-forme d'échafaudage |
-
1991
- 1991-11-07 FR FR9114042A patent/FR2683575B1/fr not_active Expired - Fee Related
-
1992
- 1992-11-05 EP EP19930900226 patent/EP0571600A1/fr not_active Withdrawn
- 1992-11-05 WO PCT/FR1992/001031 patent/WO1993009312A1/fr not_active Application Discontinuation
- 1992-11-05 CA CA 2099492 patent/CA2099492A1/fr not_active Abandoned
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1500597A (fr) * | 1965-11-22 | 1967-11-03 | élément de raidissement et de plancher pour les échafaudages métalliques ou en bois | |
US3592435A (en) * | 1968-09-09 | 1971-07-13 | Mattingly Inc | Form structure |
FR2136813A5 (fr) * | 1971-04-28 | 1972-12-22 | Kwikform Ltd | |
LU66654A1 (fr) * | 1971-12-16 | 1973-02-14 | ||
US4163824A (en) * | 1973-10-19 | 1979-08-07 | Exxon Research & Engineering Co. | Fiber foam and process |
EP0018187A2 (fr) * | 1979-04-12 | 1980-10-29 | Al-Futtaim Industries (Private) Limited | Section de tête pour une poutre de coffrage |
FR2501267A1 (fr) * | 1981-03-03 | 1982-09-10 | Entrepose | Plancher d'echafaudage |
DE3601290A1 (de) * | 1986-01-17 | 1987-07-23 | Stefan Biffar | Verfahren und vorrichtung zum herstellen von geruestbrettern sowie geruestbrett |
WO1987005353A1 (fr) * | 1986-03-05 | 1987-09-11 | Rolf Zollinger | Element en forme de planche, notamment pour coffrages a beton |
US4680214A (en) * | 1986-03-12 | 1987-07-14 | Polymetrics Corporation | Reinforced foam composites |
WO1989009691A1 (fr) * | 1988-04-08 | 1989-10-19 | Centrite Corporation | Composites polymeres renforces |
WO1990001602A1 (fr) * | 1988-07-29 | 1990-02-22 | Werner Fehr | Plaque de coffrage avec un panneau de coffrage en plastique et son procede de fabrication |
EP0451617A1 (fr) * | 1990-04-11 | 1991-10-16 | Langer geb. Layher, Ruth | Crochet de support pour plate-forme d'échafaudage |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2264296A1 (es) * | 2003-05-26 | 2006-12-16 | Ingenieria De Encofrados Y Servicios, S.L. | Estructura para encofrado de pisos de hormigon y procedimiento de encofrado correspondiente. |
ES2296430A1 (es) * | 2004-09-16 | 2008-04-16 | Eugenio Del Castillo Cabello | Sistema de encofrado recuperable. |
Also Published As
Publication number | Publication date |
---|---|
CA2099492A1 (fr) | 1993-05-08 |
EP0571600A1 (fr) | 1993-12-01 |
FR2683575B1 (fr) | 1994-01-21 |
FR2683575A1 (fr) | 1993-05-14 |
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