EP3073028A1 - Beam with hinged connection ends - Google Patents

Beam with hinged connection ends Download PDF

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Publication number
EP3073028A1
EP3073028A1 EP16162006.7A EP16162006A EP3073028A1 EP 3073028 A1 EP3073028 A1 EP 3073028A1 EP 16162006 A EP16162006 A EP 16162006A EP 3073028 A1 EP3073028 A1 EP 3073028A1
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EP
European Patent Office
Prior art keywords
width
support
pivoting
connecting structure
primary
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
EP16162006.7A
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German (de)
French (fr)
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EP3073028B1 (en
Inventor
Pascal Perrotin
Sébastien Philippe
Alexandre Souvignet
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Universite Savoie Mont Blanc
Alphi SAS
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Universite Savoie Mont Blanc
Alphi SAS
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Publication of EP3073028A1 publication Critical patent/EP3073028A1/en
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    • 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
    • E04G11/54—Girders, beams, or the like as supporting members for forms of extensible type, with or without adjustable supporting shoes, fishplates, or the like
    • E04G11/56—Girders, beams, or the like as supporting members for forms of extensible type, with or without adjustable supporting shoes, fishplates, or the like of telescopic type

Definitions

  • the present invention relates to the field of modular support frames for supporting a slab formwork or the like, and more particularly relates to a secondary support beam, intended to be arranged between two primary beams to form a modular support frame to support a formwork of slab or the like.
  • FIG. 1 An example of a modular support frame for supporting a slab formwork or the like is illustrated on the figure 1 of the document FR 2 900 176 A1 .
  • Such a frame comprises primary beams carried by props. Between the primary beams are arranged secondary support beams.
  • To form a slab or the like on the top of the modular framework wooden plywood plates are placed on the upper bearing surfaces of the primary beams and secondary support beams. The concrete slab or the like is then poured onto the plywood plates. After drying, the concrete slab or the like is self-supporting, so that the modular support frame can be removed.
  • the secondary support beam may comprise adjustment means in length. These means allow to freely adjust the length of the secondary support beam to adapt to a specific gap between two primary beams of a modular support frame to support a slab formwork or the like.
  • the wall panel M1 forms an angle A1 greater than 90 ° with the wall panel M2.
  • the wall panel M2 forms an angle A2 greater than 90 ° with the wall panel M3.
  • the wall panel M3 connects to a panel of M4 wall at an angle A3 greater than 90 °.
  • the wall panel M4 forms a 90 ° angle A4 with the wall panel M1.
  • the secondary support beams P2A to P2X are arranged perpendicularly to the primary beams P1A to P1D which are parallel to the wall panel M1.
  • the primary beam P1 B and the secondary support beam P2F there remains an empty TR2 trapezium between the wall panel M3, the secondary support beam P2L and the primary beams P1 B and P1 C.
  • the secondary support beam P2X runs along the wall panel M4 which is perpendicular to the wall. wall M1.
  • plywood plates are placed on the secondary support beams P2A to P2X and the primary beams P1A to P1D. These plywood plates cover the right triangle TR1 and the trapezium TR2 resting only on the secondary support beams P2A to P2X and the primary beams P1 A to P1 D.
  • a problem proposed by the present invention is to allow a simple and fast way of adapting a modular support frame, to support a slab formwork or the like, the walls of a building forming between them angles different from 90 ° to better secure operators and effectively support the slab.
  • the present invention aims to provide a secondary support beam for positioning more accurate than the beams of the prior art, to adapt even more precisely a modular support frame for slab formwork or the like to the angles formed between the walls of a building, while effectively limiting the risk of rotation of the secondary support beam when an operator walks on it.
  • the invention provides a secondary support beam according to claim 1.
  • the pivoting articulation of the first and second connection structures, combined with the adjustable length of the secondary supporting beam, makes it possible to arrange the secondary support beam according to the invention between two primary beams with an angle different from 90 ° between primary beams and secondary support beam.
  • the secondary support beam can thus be arranged between the primary beams at an angle, in particular enabling it to pass along a wall that forms an angle different from 90 ° with respect to the primary beams.
  • the secondary support beam according to the invention can thus be arranged in the right triangle TR1 or in the trapezium TR2 to support a plywood plate.
  • connection structures having different widths are particularly advantageous.
  • the width of the second connecting structure can be chosen on the one hand sufficiently small so that the second connecting structure can be arranged in the immediate vicinity of the wall panel along and making an angle different from 90 ° with the primary beams between which is disposed the secondary support beam.
  • the second connection structure can also be arranged in the immediate vicinity of the second connecting structure of an adjacent secondary support beam, the two adjacent beams being arranged in a converging beam towards their second end with the first longitudinal directions of the two beams. adjacent not parallel to each other.
  • the width of the first connecting structure can be chosen to be sufficiently large so as to effectively limit the risks of rotation of the secondary support beam around the first longitudinal direction when an operator is walking on the modular frame of Support works on the upper bearing surface of the secondary support beam.
  • the length adjustment means may comprise a first section and a second section extending respectively along second and third longitudinal directions and arranged to slide relative to one another in the first longitudinal direction by means of slideway to be movable between a retracted position, in which the overlap of one section by the other is the largest, and at least one extension position, in which the overlap of one section by the other is less only in a fallback position.
  • the length adjustment means thus have a very simple constitution, robust, and can be easily and quickly implemented to adjust the length of the secondary support beam.
  • the width of the first connecting structure greater than the maximum width of the secondary support beam, effectively limits the risk of rotation of the secondary support beam around the first longitudinal direction when an operator walking on the frame Modular support works on the upper bearing surface of the secondary support beam.
  • the first connecting structure may extend in width equally on both sides and away from the first pivoting direction.
  • the risk of rotation of the secondary support beam around the first longitudinal direction is thus identically limited in both directions of rotation about the first longitudinal direction.
  • the first connecting structure when the transverse direction along which the first connecting structure extends in width is perpendicular to the first longitudinal direction, the first connecting structure may extend in width away from the first pivoting direction and beyond the maximum width of the secondary support beam, in at least one direction, with a maximum distance of approximately 10 cm.
  • the gap between the adjacent secondary support beams will be maximum in the vicinity of their first connection structures and will be at most about 20 cm. Such a gap limits the risks that an operator can fall into the space between the two adjacent secondary support beams so arranged.
  • the second connecting structure can thus be arranged even more in the immediate vicinity of the wall panel along and forming an angle different from 90 ° with the primary beams between which is disposed the secondary support beam.
  • the second connecting structure can also be arranged even more in close proximity to the second connecting structure of an adjacent secondary support beam, the two adjacent beams being arranged in a converging beam towards their second ends with the first longitudinal directions not parallel to each other.
  • the first and second connection structures are respectively pivotable about the first and second pivotal directions at an angular amplitude of about 80 degrees.
  • Such pivoting amplitude allows the secondary support beam to adapt to the majority of angles that can form a wall section with the two primary beams between which is disposed the secondary support beam.
  • each connection structure may comprise a lower hooking structure shaped to come into vertical support simply by moving downward on a lateral structure for receiving a primary beam or a stay in a vertical support zone, and to cling to the receiving side structure so as to oppose any axial displacement to and away from the primary beam or strut.
  • connection structures allow an easy and quick installation of the secondary support beam on the lateral structure of receiving a primary beam or a strut by a pose performed in a simple movement. After this installation, the inhibition of any axial displacement towards and away from the primary beam or the strut helps to maintain good place secondary support beam, which increases the safety of the operators.
  • FIG. 2 to 7 On the Figures 2 to 7 is illustrated a particular embodiment of secondary support beam 1 according to the invention.
  • This secondary support beam is intended to be arranged between two primary beams P1A, P1B or P1 C ( figure 1 ) to form a modular support frame to support a slab formwork or the like.
  • the supporting secondary beam 1 extends according to a first longitudinal direction II between a first end 2 and a second end 3.
  • the secondary supporting beam 1 comprises an upper bearing surface 4 defining a carrying plane PP, intended to carry the slab formwork or the like.
  • Adjusting means 5 make it possible to adjust the length L of the secondary supporting beam 1, thereby varying the distance separating the first and second ends 2 and 3.
  • the adjusting means 5 comprise a first section 6 and a second section 7 extending respectively along second and third longitudinal directions II-II and III-III.
  • the first and second sections 6 and 7 are arranged to slide relative to each other in the first longitudinal direction II (which coincides with the second and third longitudinal directions II-II and III-III) by slide means 8 to be movable between a fallback position ( figure 6 ), in which the cover R of the first section 6 by the second section 7 is the largest, and at least one extension position ( figure 2 ), in which the recovery R of the first section 6 by the second section 7 is less than in the folded position.
  • the upper surfaces 6b and 7b of the first and second sections 6 and 7 are included in the same and single carrying plane PP so that the slab formwork or the like is carried by the first and second sections 6 and 7 at one and the same height from the ground.
  • a first connecting structure 9 is disposed at the first end 2 and is adapted to be fixed to a respective primary beam or a strut.
  • the first end 2 of the secondary supporting beam 1 is constituted by a first end 6a of the first section 6.
  • a second connecting structure 10 is disposed at the second end 3 and is adapted to be fixed to a respective primary beam or a strut.
  • the second end 3 of the secondary support beam 1 is constituted by an end 7a of the second section 7.
  • the first connecting structure 9 is articulated on the first end 2 by means of a pivot connection 11 allowing a pivoting of the first connecting structure 9 around a first pivot direction IV-IV perpendicular to the carrying plane PP.
  • the second connecting structure 10 is articulated on the second end 3 via a pivot connection 12 allowing a pivoting of the second connection structure 10 around a second pivoting direction VV perpendicular to the carrying plane PP.
  • the upper surfaces 9b and 10b of the first and second connection structures 9 and 10 are located in height, according to the pivoting directions IV-IV or V-V, at heights less than or equal to that of the carrying plane PP.
  • the upper surfaces 9b and 10b are included in the carrying plane PP to help support the slab formwork or the like at one and the same height from the ground.
  • the secondary support beam 1 has a maximum transverse section defined by a height H according to the first IV-IV or the second VV direction of rotation, and is defined by a width L1 in a transverse direction VI-VI perpendicular to the pivoting directions IV-IV and VV.
  • the first connecting structure 9 extends in width, in the transverse direction VI-VI perpendicular to the first longitudinal direction II and in the first pivoting direction IV-IV, at a distance L2 greater than the width L1 maximum of secondary support beam 1.
  • the first connecting structure 9 extends in width equally on both sides and away from the first pivoting direction IV-IV.
  • the first connecting structure 9 extends in width in the transverse direction VI-VI perpendicular to the first longitudinal direction II and the first pivoting direction IV-IV, it extends in width away from the first pivot direction IV-IV, and beyond the maximum width L1 of the secondary support beam 1, in both directions, with a maximum distance D2 of about 10 cm.
  • the secondary support beam 1 has a width L1 of 10 cm and the first connecting structure 9 has a width L2 of 30 cm (15 cm on either side of the plane defined by the first longitudinal direction II and the first and second pivot directions IV-IV and VV).
  • the second connecting structure 10 extends in width in a transverse direction VII-VII perpendicular to the first longitudinal direction II and the second pivot direction VV at a distance L3 less than the width L2 of the first connection structure 9, and even less than or equal to the maximum width L1 of the secondary supporting beam 1.
  • the second connecting structure 10 has a width L3 of 5 cm (the second connecting structure 10 extends in width according to the distance D1 of 2.5 cm on either side of the plane defined by the first longitudinal direction II and the first and second pivoting directions IV-IV and VV).
  • the first and second connection structures 9 and 10 respectively pivot about the first and second pivot directions IV-IV and VV at angular amplitudes A5 and A6 of about 80 ° (about 40 ° on either side of the defined plane). by the first longitudinal direction II and the first and second pivoting directions IV-IV and VV).
  • first and second connection structures 9 and 10 each comprise a lower hooking structure 13 shaped to bear vertically by simply moving downward on a lateral receiving structure 14 of a primary beam P1A, P1 B, P1 C or P1 D or on a side structure for receiving a forestay E1, E2, E3, E4, E5, E6, E7 or E8 in a vertical bearing zone, and for hooking on the lateral receiving structure 14 or so as to oppose any axial displacement towards and away from the primary beam P1A, P1B, P1C or P1D or the strut E1, E2, E3, E4, E5, E6, E7 or E8 ( figure 7 ).
  • the lateral receiving structures 14 and 15 make it possible to receive in abutment the lower hooking structure 13 of the first and second connection structures 9 and 10 in the same way, that is, that is to say with the carrying plane PP of the secondary supporting beam 1 substantially coplanar with the carrying plane PP1 of the primary beam P1A, P1B, P1C or P1D and of the strut E1, E2, E3, E4 , E5, E6, E7 or E8.
  • the first and second connection structures 9 and 10 can come in vertical support on the lateral receiving structure 14 and / or on the lateral receiving structure 15.
  • the secondary support beam 1 When using the secondary support beam 1, it first presents itself with its first and second sections 6 and 7 in a retracted position ( figure 6 ), in which position it is compactly stored.
  • the lower hooking structure 13 of the first or the second connecting structure 9 or 10 is then brought into vertical support on a lateral receiving structure 14 of primary beam P1A-P1D and / or on a lateral receiving structure 15. forestay E1-E8.
  • the lower hooking structure 13 of the other of the first or the second connecting structure 9 or 10 is then brought in vertical support on another lateral structure receiving primary beam P1A-P1D and / or lateral receiving structure 15 of strut E1-E8.
  • the length L of the secondary supporting beam 1 can be adjusted by sliding the first and second sections 6 and 7 to an extended position.
  • first and second connection structures 9 and 10 it may be necessary to orient the first longitudinal direction II of the secondary support beam 1 at an angle different from 90 ° with the directions of elongation of the primary beams P1 A-P1 D on which the secondary support beam 1 rests. To do this, the first and second connection structures 9 and 10 are pivoted, thanks to the pivot links 11 and 12, around the pivoting directions IV-IV and VV.
  • the modular backbone of OMS support of the figure 1 comprising four primary support beams P1 A to P1 D provided on their side, as on the figure 7 , lateral receiving structures 14 of a first or second connecting structure 9 or 10.
  • the primary support beams P1A to P1D are supported by struts E1 to E8 also provided, as on the figure 7 , side receiving structures 15 of a first or second connecting structure 9 or 10.
  • the secondary support beam 1A rests according to its second connection structure 10 on the strut E2 and rests according to its first connection structure 9 on the primary beam P1 B and on the strut E4.
  • Trapezium TR2 has also been filled by a group of secondary support beams 1 B, 1C, 1 D and 1 E similar to the secondary support beam 1 illustrated on the drawings. Figures 2 to 7 .
  • the secondary support beams 1 B to 1 E are arranged in a bundle and converge at their second end 3.
  • the secondary supporting beams 1B and 1C rest according to their second connecting structure 10 on the primary support beam P1 B, while that the secondary support beams 1 D and 1 E rest according to their second connecting structure 10 on the forestay E4.
  • the secondary support beams 1B, 1C and 1D rest in abutment according to their first connection structure 9 on the primary support beam P1 C while the secondary support beam 1 E rests according to its first connection structure 9 simultaneously on the primary beam support P1 C and on the strut E6.
  • the first connection structures 10 of the supporting secondary beams 1 B to 1 E are in contact one after the other. Due to the width L2 of the first structures of connection 9 with respect to the width L1 of the supporting secondary beams 1B to 1E, the gap between adjacent adjacent beams 1B and 1C, or 1C and 1D, or 1 D and 1 E (taken perpendicular to the first longitudinal direction II of one or other of the adjacent beams 1B or 1C, 1C or 1D, 1D or 1E) will be maximum in the vicinity of the first connecting structures 9 and will be at most about 20 cm. Interleaved spaces E1, E2 and E3 between the secondary support beams 1 B, 1C, 1 D and 1 E are thus dimensioned so as to effectively limit the risks that an operator passes through the OMS modular support frame.

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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)

Abstract

Poutrelle secondaire de soutien (1) réglable en longueur (L) comportant une première (9) et une deuxième (10) structures de raccordement pivotantes à ses extrémités (2, 3). Les première (9) et deuxième (10) structures de raccordement s'étendent en largeur selon des distances (L2, L3) différentes.Support secondary beam (1) adjustable in length (L) having a first (9) and a second (10) pivoting connection structures at its ends (2, 3). The first (9) and second (10) connection structures extend in width at different distances (L2, L3).

Description

La présente invention concerne le domaine des ossatures modulaires de soutien pour soutenir un coffrage de dalle ou analogue, et concerne plus particulièrement une poutrelle secondaire de soutien, destinée à être disposée entre deux poutres primaires pour former une ossature modulaire de soutien pour soutenir un coffrage de dalle ou analogue.The present invention relates to the field of modular support frames for supporting a slab formwork or the like, and more particularly relates to a secondary support beam, intended to be arranged between two primary beams to form a modular support frame to support a formwork of slab or the like.

Un exemple d'ossature modulaire de soutien pour soutenir un coffrage de dalle ou analogue est illustré sur la figure 1 du document FR 2 900 176 A1 . Une telle ossature comporte des poutres primaires portées par des étais. Entre les poutres primaires sont disposées des poutrelles secondaires de soutien. Pour coffrer une dalle ou analogue sur le dessus de l'ossature modulaire, on met en place des plaques de contreplaqué en bois sur les surfaces supérieures de portage des poutres primaires et des poutrelles secondaires de soutien. La dalle de béton ou analogue est ensuite coulée sur les plaques de contreplaqué. Après séchage, la dalle de béton ou analogue est autoportante, de sorte que l'ossature modulaire de soutien peut être retirée.An example of a modular support frame for supporting a slab formwork or the like is illustrated on the figure 1 of the document FR 2 900 176 A1 . Such a frame comprises primary beams carried by props. Between the primary beams are arranged secondary support beams. To form a slab or the like on the top of the modular framework, wooden plywood plates are placed on the upper bearing surfaces of the primary beams and secondary support beams. The concrete slab or the like is then poured onto the plywood plates. After drying, the concrete slab or the like is self-supporting, so that the modular support frame can be removed.

De façon connue, une poutrelle secondaire de soutien s'étend selon une première direction longitudinale entre une première extrémité et une deuxième extrémité, et comporte :

  • une surface supérieure de portage définissant un plan de portage, destinée à porter le coffrage de dalle ou analogue,
  • une première structure de raccordement, disposée à une extrémité libre du premier tronçon et adaptée pour venir se fixer à une poutre primaire respective ou à un étai,
  • une deuxième structure de raccordement, disposée à une extrémité libre du deuxième tronçon et adaptée pour venir se fixer à une poutre primaire respective ou à un étai.
In known manner, a secondary supporting beam extends in a first longitudinal direction between a first end and a second end, and comprises:
  • an upper carrying surface defining a carrying plane for carrying the slab formwork or the like,
  • a first connection structure, disposed at a free end of the first section and adapted to be fixed to a respective primary beam or a strut,
  • a second connection structure, disposed at a free end of the second section and adapted to be fixed to a respective primary beam or to a strut.

Comme enseigné dans le document EP 2 754 778 A1 , la poutrelle secondaire de soutien peut comporter des moyens de réglage en longueur. Ces moyens permettent d'ajuster librement la longueur de la poutrelle secondaire de soutien pour l'adapter à un écart spécifique compris entre deux poutres primaires d'une ossature modulaire de soutien pour soutenir un coffrage de dalle ou analogue.As taught in the document EP 2 754 778 A1 , the secondary support beam may comprise adjustment means in length. These means allow to freely adjust the length of the secondary support beam to adapt to a specific gap between two primary beams of a modular support frame to support a slab formwork or the like.

Pour des raisons d'esthétisme architectural, de plus en plus de bâtiments ont des pans de mur qui présentent entre eux des angles différents de 90°, comme illustré sur la figure 1. En l'espèce, le pan de mur M1 forme un angle A1 supérieur à 90° avec le pan de mur M2. Le pan de mur M2 forme un angle A2 supérieur à 90° avec le pan de mur M3. Le pan de mur M3 se raccorde à un pan de mur M4 selon un angle A3 supérieur à 90°. Le pan de mur M4 forme quant à lui un angle A4 de 90° avec le pan de mur M1.For reasons of architectural aesthetics, more and more buildings have sections of wall that have angles of 90 ° between them, as shown in the diagram. figure 1 . In this case, the wall panel M1 forms an angle A1 greater than 90 ° with the wall panel M2. The wall panel M2 forms an angle A2 greater than 90 ° with the wall panel M3. The wall panel M3 connects to a panel of M4 wall at an angle A3 greater than 90 °. The wall panel M4 forms a 90 ° angle A4 with the wall panel M1.

Lorsqu'une ossature modulaire de soutien OMS pour soutenir un coffrage de dalle ou analogue est mise en place, comme illustré sur la figure 1, les poutrelles secondaires de soutien P2A à P2X sont disposées perpendiculairement aux poutres primaires P1A à P1D qui sont parallèles au pan de mur M1. Il en résulte qu'il subsiste un triangle rectangle TR1 vide entre le pan de mur M2, la poutre primaire P1 B et la poutrelle secondaire de soutien P2F. Et il subsiste un trapèze TR2 vide entre le pan de mur M3, la poutrelle secondaire de soutien P2L et les poutres primaires P1 B et P1 C. La poutrelle secondaire de soutien P2X longe quant à elle le pan de mur M4 qui est perpendiculaire au pan de mur M1. Pour couler la dalle, des plaques de contreplaqué sont disposées sur les poutrelles secondaires de soutien P2A à P2X et les poutres primaires P1A à P1D. Ces plaques de contreplaqué viennent recouvrir le triangle rectangle TR1 et le trapèze TR2 en reposant seulement sur les poutrelles secondaires de soutien P2A à P2X et les poutres primaires P1 A à P1 D.When a modular WHO support frame to support a slab formwork or the like is put in place, as illustrated on the figure 1 the secondary support beams P2A to P2X are arranged perpendicularly to the primary beams P1A to P1D which are parallel to the wall panel M1. As a result, there remains a right triangle TR1 empty between the wall panel M2, the primary beam P1 B and the secondary support beam P2F. And there remains an empty TR2 trapezium between the wall panel M3, the secondary support beam P2L and the primary beams P1 B and P1 C. The secondary support beam P2X runs along the wall panel M4 which is perpendicular to the wall. wall M1. To cast the slab, plywood plates are placed on the secondary support beams P2A to P2X and the primary beams P1A to P1D. These plywood plates cover the right triangle TR1 and the trapezium TR2 resting only on the secondary support beams P2A to P2X and the primary beams P1 A to P1 D.

L'absence de poutrelle secondaire de soutien dans le triangle rectangle TR1 et dans le trapèze TR2 constitue un danger pour un utilisateur déambulant sur les plaques de contreplaqué, celui-ci pouvant accidentellement passer à travers l'ossature modulaire de soutien OMS (à travers le triangle rectangle TR1 ou à travers le trapèze TR2). L'absence de soutien nuit également à la solidité du coffrage pour supporter la dalle avant prise du béton.The absence of a secondary supporting beam in the right triangle TR1 and in the trapezoid TR2 constitutes a danger for a user wandering on the plywood plates, which can accidentally pass through the WHO modular support frame (through the right triangle TR1 or through trapezium TR2). The lack of support also affects the strength of the formwork to support the slab before concrete setting.

Les documents JP H05-12544 U et CN 2 649 697 Y décrivent des poutrelles secondaires de soutien selon le préambule de la revendication 1, comportant des première et deuxième structures de raccordement pivotantes s'étendant en largeur selon une même distance.The documents JP H05-12544 U and CN 2 649 697 Y describe secondary support beams according to the preamble of claim 1, comprising first and second pivotal connecting structures extending in width at the same distance.

Un problème proposé par la présente invention est de permettre d'adapter de façon simple et rapide une ossature modulaire de soutien, pour soutenir un coffrage de dalle ou analogue, aux pans de murs d'un bâtiment formant entre eux des angles différents de 90° afin de mieux sécuriser les opérateurs et de supporter efficacement la dalle.A problem proposed by the present invention is to allow a simple and fast way of adapting a modular support frame, to support a slab formwork or the like, the walls of a building forming between them angles different from 90 ° to better secure operators and effectively support the slab.

Simultanément, la présente invention vise à fournir une poutrelle secondaire de soutien permettant un positionnement plus précis que les poutrelles de l'art antérieur, pour adapter de façon plus précise encore une ossature modulaire de soutien pour coffrage de dalle ou analogue aux angles formés entre les pans de murs d'un bâtiment, tout en limitant efficacement les risques de rotation de la poutrelle secondaire de soutien lorsqu'un opérateur marche dessus.Simultaneously, the present invention aims to provide a secondary support beam for positioning more accurate than the beams of the prior art, to adapt even more precisely a modular support frame for slab formwork or the like to the angles formed between the walls of a building, while effectively limiting the risk of rotation of the secondary support beam when an operator walks on it.

Pour atteindre ces objets ainsi que d'autres, l'invention propose une poutrelle secondaire de soutien selon la revendication 1.To achieve these and other objects, the invention provides a secondary support beam according to claim 1.

L'articulation à pivotement des première et deuxième structures de raccordement, combinée à la longueur ajustable de la poutrelle secondaire de soutien, permet de venir disposer la poutrelle secondaire de soutien selon l'invention entre deux poutres primaires avec un angle différent de 90° entre les poutres primaires et la poutrelle secondaire de soutien. La poutrelle secondaire de soutien peut ainsi être disposée entre les poutres primaires avec un angle lui permettant notamment de longer un pan de mur formant un angle différent de 90° par rapport aux poutres primaires. La poutrelle secondaire de soutien selon l'invention peut ainsi être disposée dans le triangle rectangle TR1 ou dans le trapèze TR2 pour venir soutenir une plaque de contreplaqué.The pivoting articulation of the first and second connection structures, combined with the adjustable length of the secondary supporting beam, makes it possible to arrange the secondary support beam according to the invention between two primary beams with an angle different from 90 ° between primary beams and secondary support beam. The secondary support beam can thus be arranged between the primary beams at an angle, in particular enabling it to pass along a wall that forms an angle different from 90 ° with respect to the primary beams. The secondary support beam according to the invention can thus be arranged in the right triangle TR1 or in the trapezium TR2 to support a plywood plate.

Le fait de disposer de deux structures de raccordement ayant des largeurs différentes est tout particulièrement avantageux.The fact of having two connection structures having different widths is particularly advantageous.

En effet, la largeur de la deuxième structure de raccordement peut d'une part être choisie suffisamment petite de façon que la deuxième structure de raccordement puisse être disposée à proximité immédiate du pan de mur à longer et faisant un angle différent de 90° avec les poutres primaires entre lesquelles est disposée la poutrelle secondaire de soutien. La deuxième structure de raccordement peut également être disposée à proximité immédiate de la deuxième structure de raccordement d'une poutrelle secondaire de soutien adjacente, les deux poutrelles adjacentes étant disposées en faisceau convergent en direction de leur deuxième extrémité avec les premières directions longitudinales des deux poutrelles adjacentes non parallèles entre elles.Indeed, the width of the second connecting structure can be chosen on the one hand sufficiently small so that the second connecting structure can be arranged in the immediate vicinity of the wall panel along and making an angle different from 90 ° with the primary beams between which is disposed the secondary support beam. The second connection structure can also be arranged in the immediate vicinity of the second connecting structure of an adjacent secondary support beam, the two adjacent beams being arranged in a converging beam towards their second end with the first longitudinal directions of the two beams. adjacent not parallel to each other.

Et la largeur de la première structure de raccordement peut d'autre part être choisie suffisamment grande de façon à limiter efficacement les risques de rotation de la poutrelle secondaire de soutien autour de la première direction longitudinale lorsqu'un opérateur déambulant sur l'ossature modulaire de soutien marche sur la surface supérieure de portage de la poutrelle secondaire de soutien.And the width of the first connecting structure can be chosen to be sufficiently large so as to effectively limit the risks of rotation of the secondary support beam around the first longitudinal direction when an operator is walking on the modular frame of Support works on the upper bearing surface of the secondary support beam.

Avantageusement, les moyens de réglage en longueur peuvent comprendre un premier tronçon et un deuxième tronçon s'étendant respectivement selon des deuxième et troisième directions longitudinales et disposés à coulissement l'un par rapport à l'autre selon la première direction longitudinale par des moyens de glissière pour être déplaçables entre une position de repli, dans laquelle le recouvrement d'un tronçon par l'autre est le plus grand, et au moins une position d'extension, dans laquelle le recouvrement d'un tronçon par l'autre est moindre qu'en position de repli.Advantageously, the length adjustment means may comprise a first section and a second section extending respectively along second and third longitudinal directions and arranged to slide relative to one another in the first longitudinal direction by means of slideway to be movable between a retracted position, in which the overlap of one section by the other is the largest, and at least one extension position, in which the overlap of one section by the other is less only in a fallback position.

Les moyens de réglage en longueur ont ainsi une constitution très simple, robuste, et peuvent être facilement et rapidement mis en oeuvre pour ajuster la longueur de la poutrelle secondaire de soutien.The length adjustment means thus have a very simple constitution, robust, and can be easily and quickly implemented to adjust the length of the secondary support beam.

De préférence, on peut prévoir que :

  • la poutrelle secondaire de soutien comporte une section transversale maximale définie par une hauteur selon la première ou la deuxième direction de pivotement, et définie par une largeur selon une direction transversale perpendiculaire aux directions de pivotement,
  • la première structure de raccordement s'étend en largeur, selon la direction transversale perpendiculaire à la première direction longitudinale et à la première direction de pivotement, selon une distance supérieure à la largeur maximale de la poutrelle secondaire de soutien.
Preferably, it can be provided that:
  • the secondary supporting beam has a maximum cross section defined by a height according to the first or second pivoting direction, and defined by a width in a transverse direction perpendicular to the pivoting directions,
  • the first connecting structure extends in width, in the transverse direction perpendicular to the first longitudinal direction and the first pivoting direction, at a distance greater than the maximum width of the secondary support beam.

La largeur de la première structure de raccordement, supérieure à la largeur maximale de la poutrelle secondaire de soutien, permet de limiter efficacement les risques de rotation de la poutrelle secondaire de soutien autour de la première direction longitudinale lorsqu'un opérateur déambulant sur l'ossature modulaire de soutien marche sur la surface supérieure de portage de la poutrelle secondaire de soutien.The width of the first connecting structure, greater than the maximum width of the secondary support beam, effectively limits the risk of rotation of the secondary support beam around the first longitudinal direction when an operator walking on the frame Modular support works on the upper bearing surface of the secondary support beam.

Avantageusement, la première structure de raccordement peut s'étendre en largeur de façon égale de part et d'autre et à l'écart de la première direction de pivotement. Le risque de rotation de la poutrelle secondaire de soutien autour de la première direction longitudinale est ainsi limité de façon identique dans les deux sens de rotation autour de la première direction longitudinale.Advantageously, the first connecting structure may extend in width equally on both sides and away from the first pivoting direction. The risk of rotation of the secondary support beam around the first longitudinal direction is thus identically limited in both directions of rotation about the first longitudinal direction.

De préférence, lorsque la direction transversale selon laquelle s'étend en largeur la première structure de raccordement est perpendiculaire à la première direction longitudinale, la première structure de raccordement peut s'étendre en largeur à l'écart de la première direction de pivotement et au-delà de la largeur maximale de la poutrelle secondaire de soutien, dans au moins un sens, selon une distance maximale d'environ 10 cm.Preferably, when the transverse direction along which the first connecting structure extends in width is perpendicular to the first longitudinal direction, the first connecting structure may extend in width away from the first pivoting direction and beyond the maximum width of the secondary support beam, in at least one direction, with a maximum distance of approximately 10 cm.

Ainsi, lorsque deux poutrelles secondaires de soutien sont disposées de façon adjacente avec leur première structure de raccordement en appui l'une contre l'autre et que les premières directions longitudinales des deux poutrelles secondaires de soutien convergent en direction de leur deuxième structure de raccordement ou sont parallèles, l'écart entre les poutrelles secondaires de soutien adjacentes sera maximal au voisinage de leurs premières structures de raccordement et sera d'au maximum environ 20 cm. Un tel écart limite les risques qu'un opérateur puisse tomber dans l'espace compris entre les deux poutrelles secondaires de soutien adjacentes ainsi disposées.Thus, when two secondary supporting beams are disposed adjacent their first connecting structure in abutment against each other and the first longitudinal directions of the two secondary support beams converge toward their second connecting structure or are parallel, the gap between the adjacent secondary support beams will be maximum in the vicinity of their first connection structures and will be at most about 20 cm. Such a gap limits the risks that an operator can fall into the space between the two adjacent secondary support beams so arranged.

Avantageusement, on peut prévoir que :

  • la poutrelle secondaire de soutien comporte une section transversale maximale définie par une hauteur selon la première ou la deuxième direction de pivotement, et définie par une largeur selon une direction transversale perpendiculaire aux directions de pivotement,
  • la deuxième structure de raccordement s'étend en largeur, selon une direction transversale perpendiculaire à la première direction longitudinale et à la deuxième direction de pivotement, selon une distance inférieure ou égale à la largeur maximale de la poutrelle secondaire de soutien.
Advantageously, it can be provided that:
  • the secondary supporting beam has a maximum cross section defined by a height according to the first or second pivoting direction, and defined by a width in a transverse direction perpendicular to the pivoting directions,
  • the second connecting structure extends in width, in a transverse direction perpendicular to the first longitudinal direction and the second pivoting direction, at a distance less than or equal to the maximum width of the secondary support beam.

La deuxième structure de raccordement peut ainsi être disposée encore plus à proximité immédiate du pan de mur à longer et faisant un angle différent de 90° avec les poutres primaires entre lesquelles est disposée la poutrelle secondaire de soutien. La deuxième structure de raccordement peut également être disposée encore plus à proximité immédiate de la deuxième structure de raccordement d'une poutrelle secondaire de soutien adjacente, les deux poutrelles adjacentes étant disposées en faisceau convergent en direction de leurs deuxièmes extrémités avec les premières directions longitudinales non parallèles entre elles.The second connecting structure can thus be arranged even more in the immediate vicinity of the wall panel along and forming an angle different from 90 ° with the primary beams between which is disposed the secondary support beam. The second connecting structure can also be arranged even more in close proximity to the second connecting structure of an adjacent secondary support beam, the two adjacent beams being arranged in a converging beam towards their second ends with the first longitudinal directions not parallel to each other.

De préférence, les première et deuxième structures de raccordement peuvent pivoter respectivement autour des première et deuxième directions de pivotement selon une amplitude angulaire d'environ 80 degrés. Une telle amplitude de pivotement permet à la poutrelle secondaire de soutien de s'adapter à la majorité des angles que peut former un pan de mur avec les deux poutres primaires entre lesquelles est disposée la poutrelle secondaire de soutien.Preferably, the first and second connection structures are respectively pivotable about the first and second pivotal directions at an angular amplitude of about 80 degrees. Such pivoting amplitude allows the secondary support beam to adapt to the majority of angles that can form a wall section with the two primary beams between which is disposed the secondary support beam.

Avantageusement, chaque structure de raccordement peut comporter une structure inférieure de crochetage conformée pour venir en appui vertical par simple déplacement vers le bas sur une structure latérale de réception d'une poutre primaire ou d'un étai selon une zone d'appui vertical, et pour s'accrocher à la structure latérale de réception de façon à s'opposer à tout déplacement axial vers et à l'écart de la poutre primaire ou de l'étai.Advantageously, each connection structure may comprise a lower hooking structure shaped to come into vertical support simply by moving downward on a lateral structure for receiving a primary beam or a stay in a vertical support zone, and to cling to the receiving side structure so as to oppose any axial displacement to and away from the primary beam or strut.

De telles structures de raccordement permettent une mise en place facile et rapide de la poutrelle secondaire de soutien sur la structure latérale de réception d'une poutre primaire ou d'un étai par un posage s'effectuant selon un mouvement simple. Après cette mise en place, l'inhibition de tout déplacement axial vers et à l'écart de la poutre primaire ou de l'étai contribue à maintenir en bonne place la poutrelle secondaire de soutien, ce qui accroît la sécurité des opérateurs.Such connection structures allow an easy and quick installation of the secondary support beam on the lateral structure of receiving a primary beam or a strut by a pose performed in a simple movement. After this installation, the inhibition of any axial displacement towards and away from the primary beam or the strut helps to maintain good place secondary support beam, which increases the safety of the operators.

Selon un autre aspect de l'invention, il est proposé une ossature modulaire de soutien pour coffrage de dalle ou analogue, comportant :

  • au moins une poutre primaire de soutien munie sur ses côtés de structures latérales de réception d'une structure de raccordement d'une poutrelle secondaire de soutien telle que décrite précédemment, et/ou au moins un étai muni d'une structure latérale de réception d'une structure de raccordement d'une poutrelle secondaire de soutien telle que décrite précédemment,
  • au moins une poutrelle secondaire de soutien telle que décrite précédemment.
According to another aspect of the invention, there is provided a modular support frame for slab formwork or the like, comprising:
  • at least one primary support beam provided on its sides with lateral structures for receiving a connection structure of a secondary support beam as described above, and / or at least one stay with a lateral receiving structure, a connection structure of a secondary support beam as described above,
  • at least one secondary support beam as described above.

D'autres objets, caractéristiques et avantages de la présente invention ressortiront de la description suivante de modes de réalisation particuliers, faite en relation avec les figures jointes, parmi lesquelles :

  • la figure 1 est une vue en perspective d'une ossature modulaire de soutien selon l'état de l'art antérieur pour le coffrage de dalle ou analogue entre des pans de murs ;
  • la figure 2 est une vue en perspective et de dessus d'un mode de réalisation de poutrelle secondaire de soutien selon l'invention ;
  • la figure 3 est une vue en perspective et de détail d'une première structure de raccordement de la poutrelle secondaire de soutien de la figure 2 ;
  • la figure 4 est une vue en perspective et de détail d'une deuxième structure de raccordement de la poutrelle secondaire de soutien de la figure 2 ;
  • la figure 5 est une vue en perspective et de dessous de la poutrelle secondaire de soutien de la figure 2 ;
  • la figure 6 est une vue de dessus de la poutrelle secondaire de soutien de la figure 2 ;
  • la figure 7 est une vue de détail et en perspective illustrant le raccordement d'une première structure de raccordement de la poutrelle secondaire de soutien de la figure 2 sur une poutre primaire et/ou un étai ;
  • la figure 8 est une vue en perspective de l'ossature modulaire de la figure 1 adaptée par la présence de poutrelles secondaires de soutien de la figure 2 ; et
  • la figure 9 est une vue agrandie et partielle de la figure 8.
Other objects, features and advantages of the present invention will become apparent from the following description of particular embodiments, with reference to the accompanying figures, in which:
  • the figure 1 is a perspective view of a modular support structure according to the state of the prior art for slab formwork or the like between sections of walls;
  • the figure 2 is a perspective and top view of an embodiment of secondary support beam according to the invention;
  • the figure 3 is a perspective and detail view of a first connection structure of the secondary support beam of the figure 2 ;
  • the figure 4 is a perspective and detail view of a second connecting structure of the secondary support beam of the figure 2 ;
  • the figure 5 is a perspective and bottom view of the secondary support beam of the figure 2 ;
  • the figure 6 is a top view of the secondary support beam of the figure 2 ;
  • the figure 7 is a detail and perspective view illustrating the connection of a first connection structure of the secondary support beam of the figure 2 on a primary beam and / or a forestay;
  • the figure 8 is a perspective view of the modular frame of the figure 1 adapted by the presence of secondary beams to support the figure 2 ; and
  • the figure 9 is an enlarged and partial view of the figure 8 .

Sur les figures 2 à 7 est illustré un mode de réalisation particulier de poutrelle secondaire de soutien 1 selon l'invention. Cette poutrelle secondaire de soutien est destinée à être disposée entre deux poutres primaires P1A, P1B ou P1 C (figure 1) pour former une ossature modulaire de soutien pour soutenir un coffrage de dalle ou analogue. La poutrelle secondaire de soutien 1 s'étend selon une première direction longitudinale I-I entre une première extrémité 2 et une deuxième extrémité 3. La poutrelle secondaire de soutien 1 comporte une surface supérieure de portage 4 définissant un plan de portage PP, destinée à porter le coffrage de dalle ou analogue.On the Figures 2 to 7 is illustrated a particular embodiment of secondary support beam 1 according to the invention. This secondary support beam is intended to be arranged between two primary beams P1A, P1B or P1 C ( figure 1 ) to form a modular support frame to support a slab formwork or the like. The supporting secondary beam 1 extends according to a first longitudinal direction II between a first end 2 and a second end 3. The secondary supporting beam 1 comprises an upper bearing surface 4 defining a carrying plane PP, intended to carry the slab formwork or the like.

Des moyens de réglage 5 permettent de régler la longueur L de la poutrelle secondaire de soutien 1, faisant ainsi varier la distance séparant les première et deuxième extrémités 2 et 3. En l'espèce, les moyens de réglage 5 comprennent un premier tronçon 6 et un deuxième tronçon 7 s'étendant respectivement selon des deuxième et troisième directions longitudinales II-II et III-III. Les premier et deuxième tronçons 6 et 7 sont disposés à coulissement l'un par rapport à l'autre selon la première direction longitudinale I-I (qui coïncide avec les deuxième et troisième directions longitudinales II-II et III-III) par des moyens de glissière 8 pour être déplaçables entre une position de repli (figure 6), dans laquelle le recouvrement R du premier tronçon 6 par le deuxième tronçon 7 est le plus grand, et au moins une position d'extension (figure 2), dans laquelle le recouvrement R du premier tronçon 6 par le deuxième tronçon 7 est moindre qu'en position de repli.Adjusting means 5 make it possible to adjust the length L of the secondary supporting beam 1, thereby varying the distance separating the first and second ends 2 and 3. In the present case, the adjusting means 5 comprise a first section 6 and a second section 7 extending respectively along second and third longitudinal directions II-II and III-III. The first and second sections 6 and 7 are arranged to slide relative to each other in the first longitudinal direction II (which coincides with the second and third longitudinal directions II-II and III-III) by slide means 8 to be movable between a fallback position ( figure 6 ), in which the cover R of the first section 6 by the second section 7 is the largest, and at least one extension position ( figure 2 ), in which the recovery R of the first section 6 by the second section 7 is less than in the folded position.

Les surfaces supérieures 6b et 7b des premier et deuxième tronçons 6 et 7 (définissant la surface supérieure de portage 4) sont comprises dans le même et unique plan de portage PP de façon que le coffrage de dalle ou analogue soit porté par les premier et deuxième tronçons 6 et 7 à une seule et même hauteur par rapport au sol.The upper surfaces 6b and 7b of the first and second sections 6 and 7 (defining the upper bearing surface 4) are included in the same and single carrying plane PP so that the slab formwork or the like is carried by the first and second sections 6 and 7 at one and the same height from the ground.

Une première structure de raccordement 9 est disposée à la première extrémité 2 et est adaptée pour venir se fixer à une poutre primaire respective ou à un étai. La première extrémité 2 de la poutrelle secondaire de soutien 1 est constituée par une première extrémité 6a du premier tronçon 6.A first connecting structure 9 is disposed at the first end 2 and is adapted to be fixed to a respective primary beam or a strut. The first end 2 of the secondary supporting beam 1 is constituted by a first end 6a of the first section 6.

Une deuxième structure de raccordement 10 est disposée à la deuxième extrémité 3 et est adaptée pour venir se fixer à une poutre primaire respective ou à un étai. La deuxième extrémité 3 de la poutrelle secondaire de soutien 1 est constituée par une extrémité 7a du deuxième tronçon 7.A second connecting structure 10 is disposed at the second end 3 and is adapted to be fixed to a respective primary beam or a strut. The second end 3 of the secondary support beam 1 is constituted by an end 7a of the second section 7.

Comme on le voit plus particulièrement sur la figure 3, la première structure de raccordement 9 est articulée sur la première extrémité 2 par l'intermédiaire d'une liaison pivot 11 autorisant un pivotement de la première structure de raccordement 9 autour d'une première direction de pivotement IV-IV perpendiculaire au plan de portage PP. Et on voit plus particulièrement sur la figure 4 que la deuxième structure de raccordement 10 est articulée sur la deuxième extrémité 3 par l'intermédiaire d'une liaison pivot 12 autorisant un pivotement de la deuxième structure de raccordement 10 autour d'une deuxième direction de pivotement V-V perpendiculaire au plan de portage PP.As we see more particularly on the figure 3 , the first connecting structure 9 is articulated on the first end 2 by means of a pivot connection 11 allowing a pivoting of the first connecting structure 9 around a first pivot direction IV-IV perpendicular to the carrying plane PP. And we see more particularly on the figure 4 that the second connecting structure 10 is articulated on the second end 3 via a pivot connection 12 allowing a pivoting of the second connection structure 10 around a second pivoting direction VV perpendicular to the carrying plane PP.

Les surfaces supérieures 9b et 10b des première et deuxième structures de raccordement 9 et 10 sont situées en hauteur, selon les directions de pivotement IV-IV ou V-V, à des hauteurs inférieures ou égales à celle du plan de portage PP. Ici, les surfaces supérieures 9b et 10b sont comprises dans le plan de portage PP pour contribuer à soutenir le coffrage de dalle ou analogue à une seule et même hauteur par rapport au sol.The upper surfaces 9b and 10b of the first and second connection structures 9 and 10 are located in height, according to the pivoting directions IV-IV or V-V, at heights less than or equal to that of the carrying plane PP. Here, the upper surfaces 9b and 10b are included in the carrying plane PP to help support the slab formwork or the like at one and the same height from the ground.

On voit plus particulièrement sur les figures 2 et 3 que la poutrelle secondaire de soutien 1 comporte une section transversale maximale définie par une hauteur H selon la première IV-IV ou la deuxième V-V direction de pivotement, et est définie par une largeur L1 selon une direction transversale VI-VI perpendiculaire aux directions de pivotement IV-IV et V-V.We see more particularly the figures 2 and 3 that the secondary support beam 1 has a maximum transverse section defined by a height H according to the first IV-IV or the second VV direction of rotation, and is defined by a width L1 in a transverse direction VI-VI perpendicular to the pivoting directions IV-IV and VV.

Sur la figure 6, on voit que la première structure de raccordement 9 s'étend en largeur, selon la direction transversale VI-VI perpendiculaire à la première direction longitudinale I-I et à la première direction de pivotement IV-IV, selon une distance L2 supérieure à la largeur L1 maximale de la poutrelle secondaire de soutien 1.On the figure 6 it can be seen that the first connecting structure 9 extends in width, in the transverse direction VI-VI perpendicular to the first longitudinal direction II and in the first pivoting direction IV-IV, at a distance L2 greater than the width L1 maximum of secondary support beam 1.

De façon plus précise, la première structure de raccordement 9 s'étend en largeur de façon égale de part et d'autre et à l'écart de la première direction de pivotement IV-IV. Lorsque la première structure de raccordement 9 s'étend en largeur selon la direction transversale VI-VI perpendiculaire à la première direction longitudinale I-I et à la première direction de pivotement IV-IV, elle s'étend en largeur à l'écart de la première direction de pivotement IV-IV, et au-delà de la largeur L1 maximale de la poutrelle secondaire de soutien 1, dans les deux sens, selon une distance D2 maximale d'environ 10 cm. Dans le mode de réalisation illustré sur les figures 2 à 7, la poutrelle secondaire de soutien 1 a une largeur L1 de 10 cm et la première structure de raccordement 9 a une largeur L2 de 30 cm (15 cm de part et d'autre du plan défini par la première direction longitudinale I-I et les première et deuxième directions de pivotement IV-IV et V-V).More precisely, the first connecting structure 9 extends in width equally on both sides and away from the first pivoting direction IV-IV. When the first connecting structure 9 extends in width in the transverse direction VI-VI perpendicular to the first longitudinal direction II and the first pivoting direction IV-IV, it extends in width away from the first pivot direction IV-IV, and beyond the maximum width L1 of the secondary support beam 1, in both directions, with a maximum distance D2 of about 10 cm. In the embodiment illustrated on the Figures 2 to 7 , the secondary support beam 1 has a width L1 of 10 cm and the first connecting structure 9 has a width L2 of 30 cm (15 cm on either side of the plane defined by the first longitudinal direction II and the first and second pivot directions IV-IV and VV).

Sur cette même figure 6, on voit que la deuxième structure de raccordement 10 s'étend en largeur, selon une direction transversale VII-VII perpendiculaire à la première direction longitudinale I-I et à la deuxième direction de pivotement V-V selon une distance L3 inférieure à la largeur L2 de la première structure de raccordement 9, et même inférieure ou égale à la largeur L1 maximale de la poutrelle secondaire de soutien 1. En l'espèce, la deuxième structure de raccordement 10 a une largeur L3 de 5 cm (la deuxième structure de raccordement 10 s'étend en largeur selon la distance D1 de 2,5 cm de part et d'autre du plan défini par la première direction longitudinale I-I et les première et deuxième directions de pivotement IV-IV et V-V).On this same figure 6 it can be seen that the second connecting structure 10 extends in width in a transverse direction VII-VII perpendicular to the first longitudinal direction II and the second pivot direction VV at a distance L3 less than the width L2 of the first connection structure 9, and even less than or equal to the maximum width L1 of the secondary supporting beam 1. In this case, the second connecting structure 10 has a width L3 of 5 cm (the second connecting structure 10 extends in width according to the distance D1 of 2.5 cm on either side of the plane defined by the first longitudinal direction II and the first and second pivoting directions IV-IV and VV).

Les première et deuxième structures de raccordement 9 et 10 pivotent respectivement autour des première et deuxième directions de pivotement IV-IV et V-V selon des amplitudes angulaires A5 et A6 d'environ 80° (environ 40° de part et d'autre du plan défini par la première direction longitudinale I-I et les première et deuxième directions de pivotement IV-IV et V-V).The first and second connection structures 9 and 10 respectively pivot about the first and second pivot directions IV-IV and VV at angular amplitudes A5 and A6 of about 80 ° (about 40 ° on either side of the defined plane). by the first longitudinal direction II and the first and second pivoting directions IV-IV and VV).

On voit plus particulièrement sur les figures 3 et 4 que les première et deuxième structures de raccordement 9 et 10 comportent chacune une structure inférieure de crochetage 13 conformée pour venir en appui vertical par simple déplacement vers le bas sur une structure latérale de réception 14 d'une poutre primaire P1A, P1 B, P1 C ou P1 D ou sur une structure latérale de réception 15 d'un étai E1, E2, E3, E4, E5, E6, E7 ou E8 selon une zone d'appui verticale, et pour s'accrocher à la structure latérale de réception 14 ou 15 de façon à s'opposer à tout déplacement axial vers et à l'écart de la poutre primaire P1A, P1 B, P1 C ou P1 D ou de l'étai E1, E2, E3, E4, E5, E6, E7 ou E8 (figure 7). A noter que, bien que présentant des formes différentes, les structures latérales de réception 14 et 15 permettent de recevoir en appui la structure inférieure de crochetage 13 des première et deuxième structures de raccordement 9 et 10 d'une même façon, c'est-à-dire avec le plan de portage PP de la poutrelle secondaire de soutien 1 sensiblement coplanaire avec le plan de portage PP1 de la poutre primaire P1A, P1 B, P1 C ou P1 D et de l'étai E1, E2, E3, E4, E5, E6, E7 ou E8. Ainsi, les première et deuxième structures de raccordement 9 et 10 peuvent venir en appui vertical sur la structure latérale de réception 14 et/ou sur la structure latérale de réception 15.We see more particularly the figures 3 and 4 that the first and second connection structures 9 and 10 each comprise a lower hooking structure 13 shaped to bear vertically by simply moving downward on a lateral receiving structure 14 of a primary beam P1A, P1 B, P1 C or P1 D or on a side structure for receiving a forestay E1, E2, E3, E4, E5, E6, E7 or E8 in a vertical bearing zone, and for hooking on the lateral receiving structure 14 or so as to oppose any axial displacement towards and away from the primary beam P1A, P1B, P1C or P1D or the strut E1, E2, E3, E4, E5, E6, E7 or E8 ( figure 7 ). It should be noted that, although having different shapes, the lateral receiving structures 14 and 15 make it possible to receive in abutment the lower hooking structure 13 of the first and second connection structures 9 and 10 in the same way, that is, that is to say with the carrying plane PP of the secondary supporting beam 1 substantially coplanar with the carrying plane PP1 of the primary beam P1A, P1B, P1C or P1D and of the strut E1, E2, E3, E4 , E5, E6, E7 or E8. Thus, the first and second connection structures 9 and 10 can come in vertical support on the lateral receiving structure 14 and / or on the lateral receiving structure 15.

Lors de l'utilisation de la poutrelle secondaire de soutien 1, celle-ci se présente tout d'abord avec ses premier et deuxième tronçons 6 et 7 en position de repli (figure 6), position dans laquelle elle est stockée de façon compacte. La structure inférieure de crochetage 13 de la première ou de la deuxième structure de raccordement 9 ou 10 est ensuite amenée en appui vertical sur une structure latérale de réception 14 de poutre primaire P1A-P1D et/ou sur une structure latérale de réception 15 d'étai E1-E8. La structure inférieure de crochetage 13 de l'autre de la première ou de la deuxième structure de raccordement 9 ou 10 est ensuite amenée en appui vertical sur une autre structure latérale de réception 14 de poutre primaire P1A-P1D et/ou structure latérale de réception 15 d'étai E1-E8. Pour ce faire, la longueur L de la poutrelle secondaire de soutien 1 peut être ajustée en faisant coulisser les premier et deuxième tronçons 6 et 7 vers une position d'extension.When using the secondary support beam 1, it first presents itself with its first and second sections 6 and 7 in a retracted position ( figure 6 ), in which position it is compactly stored. The lower hooking structure 13 of the first or the second connecting structure 9 or 10 is then brought into vertical support on a lateral receiving structure 14 of primary beam P1A-P1D and / or on a lateral receiving structure 15. forestay E1-E8. The lower hooking structure 13 of the other of the first or the second connecting structure 9 or 10 is then brought in vertical support on another lateral structure receiving primary beam P1A-P1D and / or lateral receiving structure 15 of strut E1-E8. To do this, the length L of the secondary supporting beam 1 can be adjusted by sliding the first and second sections 6 and 7 to an extended position.

Lors de la mise en place des première et deuxième structures de raccordement 9 et 10, il peut être nécessaire d'orienter la première direction longitudinale I-I de la poutrelle secondaire de soutien 1 selon un angle différent de 90° avec les directions d'allongement des poutres primaires P1 A-P1 D sur lesquelles repose la poutrelle secondaire de soutien 1. Pour ce faire, les première et deuxième structures de raccordement 9 et 10 sont pivotées, grâce aux liaisons pivot 11 et 12, autour des directions de pivotement IV-IV et V-V.During the establishment of the first and second connection structures 9 and 10, it may be necessary to orient the first longitudinal direction II of the secondary support beam 1 at an angle different from 90 ° with the directions of elongation of the primary beams P1 A-P1 D on which the secondary support beam 1 rests. To do this, the first and second connection structures 9 and 10 are pivoted, thanks to the pivot links 11 and 12, around the pivoting directions IV-IV and VV.

Sur les figures 8 et 9 est illustrée l'ossature modulaire de soutien OMS de la figure 1 comprenant quatre poutres primaires de soutien P1 A à P1 D munies sur leur côté, comme sur la figure 7, de structures latérales de réception 14 d'une première ou d'une deuxième structure de raccordement 9 ou 10. Les poutres primaires de soutien P1A à P1D sont soutenues par des étais E1 à E8 également munis, comme sur la figure 7, de structures latérales de réception 15 d'une première ou deuxième structure de raccordement 9 ou 10.On the figures 8 and 9 is illustrated the modular backbone of OMS support of the figure 1 comprising four primary support beams P1 A to P1 D provided on their side, as on the figure 7 , lateral receiving structures 14 of a first or second connecting structure 9 or 10. The primary support beams P1A to P1D are supported by struts E1 to E8 also provided, as on the figure 7 , side receiving structures 15 of a first or second connecting structure 9 or 10.

On voit plus particulièrement sur les figures 8 et 9 que le triangle rectangle TR1 a été comblé par une poutrelle secondaire de soutien 1A similaire à la poutrelle de soutien 1 des figures 2 à 7. La poutrelle secondaire de soutien 1A repose selon sa deuxième structure de raccordement 10 sur l'étai E2 et repose selon sa première structure de raccordement 9 sur la poutre primaire P1 B et sur l'étai E4.We see more particularly the figures 8 and 9 that the right triangle TR1 has been filled by a secondary support beam 1A similar to the support beam 1 of the Figures 2 to 7 . The secondary support beam 1A rests according to its second connection structure 10 on the strut E2 and rests according to its first connection structure 9 on the primary beam P1 B and on the strut E4.

Le trapèze TR2 a lui aussi été comblé par un groupe de poutrelles secondaires de soutien 1 B, 1C, 1 D et 1 E similaires à la poutrelle secondaire de soutien 1 illustrée sur les figures 2 à 7. Les poutrelles secondaires de soutien 1 B à 1 E sont disposées en faisceau et convergent au niveau de leur deuxième extrémité 3. Les poutrelles secondaires de soutien 1B et 1C reposent selon leur deuxième structure de raccordement 10 sur la poutre primaire de soutien P1 B, tandis que les poutrelles secondaires de soutien 1 D et 1 E reposent selon leur deuxième structure de raccordement 10 sur l'étai E4. Les poutrelles secondaires de soutien 1B, 1C et 1D reposent en appui selon leur première structure de raccordement 9 sur la poutre primaire de soutien P1 C tandis que la poutrelle secondaire de soutien 1 E repose selon sa première structure de raccordement 9 simultanément sur la poutre primaire de soutien P1 C et sur l'étai E6.Trapezium TR2 has also been filled by a group of secondary support beams 1 B, 1C, 1 D and 1 E similar to the secondary support beam 1 illustrated on the drawings. Figures 2 to 7 . The secondary support beams 1 B to 1 E are arranged in a bundle and converge at their second end 3. The secondary supporting beams 1B and 1C rest according to their second connecting structure 10 on the primary support beam P1 B, while that the secondary support beams 1 D and 1 E rest according to their second connecting structure 10 on the forestay E4. The secondary support beams 1B, 1C and 1D rest in abutment according to their first connection structure 9 on the primary support beam P1 C while the secondary support beam 1 E rests according to its first connection structure 9 simultaneously on the primary beam support P1 C and on the strut E6.

On voit plus particulièrement sur la figure 9 que les premières structures de raccordement 10 des poutrelles secondaires de soutien 1 B à 1 E sont en contact les unes à la suite des autres. Du fait de la largeur L2 des premières structures de raccordement 9 par rapport à la largeur L1 des poutrelles secondaires de soutien 1B à 1E, l'écart entre les poutrelles secondaires adjacentes 1B et 1C, ou 1C et 1D, ou 1 D et 1 E (pris perpendiculairement à la première direction longitudinale I-I de l'une ou l'autre des poutrelles adjacentes 1B ou 1C, 1C ou 1 D, 1 D ou 1 E) sera maximal au voisinage des premières structures de raccordement 9 et sera d'au maximum environ 20 cm. Les espaces intercalaires E1, E2 et E3 entre les poutrelles secondaires de soutien 1 B, 1C, 1 D et 1 E sont ainsi dimensionnés de façon à limiter efficacement les risques qu'un opérateur passe à travers l'ossature modulaire de soutien OMS.We see more particularly on the figure 9 the first connection structures 10 of the supporting secondary beams 1 B to 1 E are in contact one after the other. Due to the width L2 of the first structures of connection 9 with respect to the width L1 of the supporting secondary beams 1B to 1E, the gap between adjacent adjacent beams 1B and 1C, or 1C and 1D, or 1 D and 1 E (taken perpendicular to the first longitudinal direction II of one or other of the adjacent beams 1B or 1C, 1C or 1D, 1D or 1E) will be maximum in the vicinity of the first connecting structures 9 and will be at most about 20 cm. Interleaved spaces E1, E2 and E3 between the secondary support beams 1 B, 1C, 1 D and 1 E are thus dimensioned so as to effectively limit the risks that an operator passes through the OMS modular support frame.

La présente invention n'est pas limitée aux modes de réalisation qui ont été explicitement décrits, mais elle en inclut les diverses variantes et généralisations contenues dans le domaine des revendications ci-après.The present invention is not limited to the embodiments which have been explicitly described, but it includes the various variants and generalizations thereof within the scope of the claims below.

Claims (9)

Poutrelle secondaire de soutien (1, 1A-1E), destinée à être disposée entre deux poutres primaires (P1 A-P1 D) pour former une ossature modulaire de soutien (OMS) pour soutenir un coffrage de dalle ou analogue, la poutrelle secondaire de soutien (1, 1A-1 E) s'étendant selon une première direction longitudinale (I-I) entre une première extrémité (2) et une deuxième extrémité (3), et comportant : - une surface supérieure de portage (4) définissant un plan de portage (PP), destinée à porter le coffrage de dalle ou analogue, - des moyens de réglage (5) en longueur (L) de la poutrelle secondaire de soutien (1), - une première structure de raccordement (9), disposée à la première extrémité (2) et adaptée pour venir se fixer à une poutre primaire (P1A-P1D) respective ou à un étai (E1-E8), - une deuxième structure de raccordement (10), disposée à la deuxième extrémité (3) et adaptée pour venir se fixer à une poutre primaire (P1A-P1D) respective ou à un étai (E1-E8), dans laquelle les première (9) et deuxième (10) structures de raccordement sont respectivement articulées sur la première extrémité (2) et sur la deuxième extrémité (3) par l'intermédiaire d'une liaison pivot (11, 12) respective autorisant un pivotement de chacune des première (9) et deuxième (10) structures de raccordement autour d'une première (IV-IV) et d'une deuxième (V-V) direction de pivotement respective perpendiculaire au plan de portage (PP),
caractérisée en ce que : - la première structure de raccordement (9) s'étend en largeur, selon une direction transversale (VI-VI) perpendiculaire à la première direction (I-I) longitudinale et à la première direction de pivotement (IV-IV), selon une distance (L2), - la deuxième structure de raccordement (10) s'étend en largeur, selon une direction transversale (VII-VII) perpendiculaire à la première direction longitudinale (I-I) et à la deuxième direction de pivotement (V-V), selon une distance (L3) inférieure à la largeur (L2) de la première structure de raccordement (9). Secondary supporting beam (1, 1A-1E), intended to be arranged between two primary beams (P1 A-P1 D) to form a modular support structure (OMS) to support a slab formwork or the like, the secondary beam of support (1, 1A-1E) extending in a first longitudinal direction (II) between a first end (2) and a second end (3), and comprising: an upper carrying surface (4) defining a carrying plane (PP) intended to carry the slab formwork or the like, - adjustment means (5) in length (L) of the secondary supporting beam (1), a first connection structure (9), arranged at the first end (2) and adapted to be fixed to a respective primary beam (P1A-P1D) or a strut (E1-E8), a second connection structure (10) arranged at the second end (3) and adapted to be fixed to a respective primary beam (P1A-P1D) or a strut (E1-E8), wherein the first (9) and second (10) connecting structures are respectively hinged on the first end (2) and the second end (3) via a respective pivot connection (11, 12) allowing a pivoting each of the first (9) and second (10) connection structures around a first (IV-IV) and a second (VV) respective pivoting direction perpendicular to the carrying plane (PP),
characterized in that the first connecting structure (9) extends in width in a transverse direction (VI-VI) perpendicular to the first longitudinal direction (II) and the first pivot direction (IV-IV), according to a distance ( L2), - The second connecting structure (10) extends in width, in a transverse direction (VII-VII) perpendicular to the first longitudinal direction (II) and the second pivoting direction (VV), according to a distance (L3) less than the width (L2) of the first connecting structure (9). Poutrelle secondaire de soutien (1, 1A-1E) selon la revendication 1, caractérisée en ce que les moyens de réglage (5) en longueur comprennent un premier tronçon (6) et un deuxième tronçon (7) s'étendant respectivement selon des deuxième (II-II) et troisième (III-III) directions longitudinales et disposés à coulissement l'un par rapport à l'autre selon la première direction longitudinale (I-I) par des moyens de glissière (8) pour être déplaçables entre une position de repli, dans laquelle le recouvrement (R) d'un tronçon (6, 7) par l'autre est le plus grand, et au moins une position d'extension, dans laquelle le recouvrement (R) d'un tronçon (6, 7) par l'autre est moindre qu'en position de repli.Support secondary beam (1, 1A-1E) according to Claim 1, characterized in that the length adjustment means (5) comprise a first section (6) and a second segment (7) respectively extending in a second direction (6). (II-II) and third (III-III) longitudinal directions and arranged to slide relative to each other in the first longitudinal direction (II) by slide means (8) to be movable between a position of withdrawal, in which the overlap (R) of one section (6, 7) by the other is the largest, and at least one extension position, in which the overlap (R) of a section (6, 7) by the other is less than fallback position. Poutrelle secondaire de soutien (1, 1A-1E) selon l'une des revendications 1 ou 2, caractérisée en ce que : - la poutrelle secondaire de soutien (1, 1 A-1 E) comporte une section transversale maximale définie par une hauteur (H) selon la première (IV-IV) ou la deuxième direction (V-V) de pivotement, et définie par une largeur (L1) selon une direction transversale (VI-VI) perpendiculaire aux directions de pivotement (IV-IV, V-V), - la première structure de raccordement (9) s'étend en largeur, selon la direction transversale (VI-VI) perpendiculaire à la première direction (I-I) longitudinale et à la première direction de pivotement (IV-IV), selon une distance (L2) supérieure à la largeur (L1) maximale de la poutrelle secondaire de soutien (1, 1 A-1 E). Support secondary beam (1, 1A-1E) according to one of claims 1 or 2, characterized in that : the secondary supporting beam (1, 1 A-1 E) has a maximum transverse section defined by a height (H) according to the first (IV-IV) or the second pivoting direction (VV), and defined by a width (L1) in a transverse direction (VI-VI) perpendicular to the pivoting directions (IV-IV, VV), the first connecting structure (9) extends in width in the transverse direction (VI-VI) perpendicular to the first longitudinal direction (II) and in the first pivot direction (IV-IV), according to a distance ( L2) greater than the maximum width (L1) of the secondary support beam (1, 1 A-1 E). Poutrelle secondaire de soutien (1, 1A-1E) selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la première structure de raccordement (9) et/ou la deuxième structure de raccordement (10) s'étendent en largeur de façon égale de part et d'autre et à l'écart de la première direction de pivotement (IV-IV).Secondary support beam (1, 1A-1E) according to one of Claims 1 to 3, characterized in that the first connecting structure (9) and / or the second connecting structure (10) extend in width. equally on both sides and away from the first pivoting direction (IV-IV). Poutrelle secondaire de soutien (1, 1A-1E) selon l'une quelconque des revendications 1 à 4, caractérisée en ce que, lorsque la première structure de raccordement (9) s'étend en largeur selon la direction transversale (VI-VI) perpendiculaire à la première direction longitudinale (I-I) et la première direction de pivotement (IV-IV), la première structure de raccordement s'étend en largeur à l'écart de la première direction de pivotement (IV-IV) et au-delà de la largeur (L1) maximale de la poutrelle secondaire de soutien (1), dans au moins un sens, selon une distance (D2) maximale d'environ 10 cm.Support secondary beam (1, 1A-1E) according to one of Claims 1 to 4, characterized in that when the first connecting structure (9) extends in width in the transverse direction (VI-VI) perpendicular to the first longitudinal direction (II) and the first pivoting direction (IV-IV), the first connecting structure extends in width away from the first pivoting direction (IV-IV) and beyond the maximum width (L1) of the secondary supporting beam (1), in at least one direction, with a maximum distance (D2) of about 10 cm. Poutrelle secondaire de soutien (1, 1A-1E) selon l'une quelconque des revendications 1 à 5, caractérisée en ce que : - la poutrelle secondaire de soutien (1, 1 A-1 E) comporte une section transversale maximale définie par une hauteur (H) selon la première (IV-IV) ou la deuxième direction (V-V) de pivotement, et définie par une largeur (L1) selon une direction transversale (VI-VI) perpendiculaire aux directions de pivotement (IV-IV, V-V), - la deuxième structure de raccordement (10) s'étend en largeur, selon une direction transversale (VII-VII) perpendiculaire à la première direction longitudinale (I-I) et à la deuxième direction de pivotement (V-V), selon une distance (L3) inférieure ou égale à la largeur (L1) maximale de la poutrelle secondaire de soutien (1). Support secondary beam (1, 1A-1E) according to one of Claims 1 to 5, characterized in that : the secondary supporting beam (1, 1 A-1 E) has a maximum transverse section defined by a height (H) according to the first (IV-IV) or the second pivoting direction (VV), and defined by a width (L1) in a transverse direction (VI-VI) perpendicular to the pivoting directions (IV-IV, VV), - The second connecting structure (10) extends in width, in a transverse direction (VII-VII) perpendicular to the first longitudinal direction (II) and the second pivoting direction (VV), according to a distance (L3) less than or equal to the maximum width (L1) of the secondary support beam (1). Poutrelle secondaire de soutien (1, 1A-1E) selon l'une quelconque des revendications 1 à 6, caractérisée en ce que les première (9) et deuxième (10) structures de raccordement pivotent respectivement autour des première (IV-IV) et deuxième (V-V) directions de pivotement selon une amplitude angulaire (A1, A2) d'environ 80 degrés.Secondary support beam (1, 1A-1E) according to one of Claims 1 to 6, characterized in that the first (9) and second (10) connecting structures are pivoted respectively around the first (IV-IV) and second (VV) pivoting directions at an angular amplitude (A1, A2) of about 80 degrees. Poutrelle secondaire de soutien (1, 1A-1E) selon l'une quelconque des revendications 1 à 7, caractérisée en ce que les première (9) et deuxième (10) structures de raccordement comportent chacune une structure inférieure de crochetage (13) conformée pour venir en appui vertical par simple déplacement vers le bas sur une structure latérale de réception (14, 15) d'une poutre primaire (P1A-P1D) ou d'un étai (E1-E8) selon une zone d'appui vertical, et pour s'accrocher à la structure latérale de réception (14, 15) de façon à s'opposer à tout déplacement axial vers et à l'écart de la poutre primaire (P1A-P1 D) ou de l'étai (E1-E8).Support secondary beam (1, 1A-1E) according to any one of claims 1 to 7, characterized in that the first (9) and second (10) connection structures each comprise a lower hooking structure (13) shaped to come into vertical support by simply moving downward on a lateral receiving structure (14, 15) of a primary beam (P1A-P1D) or a strut (E1-E8) in a vertical bearing zone, and to engage the receiving side structure (14, 15) so as to oppose any axial displacement to and from the primary beam (P1A-P1 D) or strut (E1- E8). Ossature modulaire de soutien (OMS) pour coffrage de dalle ou analogue, comportant : - au moins une poutre primaire de soutien (P1A-P1D) munie sur ses côtés de structures latérales de réception (14) d'une structure de raccordement (9, 10) d'une poutrelle secondaire de soutien (1, 1A-1 E) selon l'une quelconque des revendications 1 à 8, et/ou au moins un étai (E1-E8) muni d'une structure latérale de réception (15) d'une structure de raccordement (9, 10) d'une poutrelle secondaire de soutien (1, 1 A-1 E) selon l'une quelconque des revendications 1 à 8, - au moins une poutrelle secondaire de soutien (1, 1 A-1 E) selon l'une quelconque des revendications 1 à 8. Modular support frame (OMS) for slab formwork or the like, comprising: - at least one primary support beam (P1A-P1D) provided on its sides with side receiving structures (14) of a connection structure (9, 10) of a secondary supporting beam (1, 1A-1 E ) according to any one of claims 1 to 8, and / or at least one strut (E1-E8) provided with a lateral structure for receiving (15) a connecting structure (9, 10) of a beam secondary support (1, 1 A-1 E) according to any of claims 1 to 8, - At least one secondary support beam (1, 1 A-1 E) according to any one of claims 1 to 8.
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FR2900176A1 (en) 2006-04-20 2007-10-26 Alphi Sarl Formwork support structure for concrete slab, has basic frames with secondary beams which are connected by rigid cross bars and includes honeycombed metallic profile, where cross bars are fixed transversely between secondary beams
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JPS56165851U (en) * 1980-04-24 1981-12-08
JPH0512544U (en) 1991-07-30 1993-02-19 ホリー株式会社 Horizontal swing gripping tool for temporary beam, and temporary beam for slab construction equipped with the tool
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FR2900176A1 (en) 2006-04-20 2007-10-26 Alphi Sarl Formwork support structure for concrete slab, has basic frames with secondary beams which are connected by rigid cross bars and includes honeycombed metallic profile, where cross bars are fixed transversely between secondary beams
EP2754778A1 (en) 2013-01-11 2014-07-16 Alphi Primary support beam with adjustable length

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US11976483B2 (en) 2016-06-24 2024-05-07 Apache Industrial Services, Inc Modular posts of an integrated construction system
US20230075821A1 (en) * 2016-06-24 2023-03-09 Apache Industrial Services, Inc. Formwork Panel of a Formwork System
US11970873B2 (en) 2016-06-24 2024-04-30 Apache Industrial Services, Inc Bearing plate of an integrated construction system
CN106760495B (en) * 2016-11-10 2018-11-27 中国三冶集团有限公司 A kind of floor construction method
CN106760495A (en) * 2016-11-10 2017-05-31 中国三冶集团有限公司 A kind of floor construction method
WO2019069246A1 (en) * 2017-10-04 2019-04-11 Zaugg Construction GmbH Hammock safety system
CN111247299A (en) * 2017-10-04 2020-06-05 扎格建筑有限公司 Suspension safety system
US10662659B2 (en) 2018-07-23 2020-05-26 Titan Formwork Systems, Llc Method and system to secure shoring deck to a column
US11041321B2 (en) 2018-07-23 2021-06-22 Titan Formwork Systems, Llc Method and system to secure shoring deck to a column
US10844888B2 (en) 2018-10-12 2020-11-24 Titan Formwork Systems, Llc Clamp for connecting ledger to shoring post
US11236773B2 (en) 2018-10-12 2022-02-01 Titan Formwork Systems, Llc Clamp for connecting ledger to shoring post
WO2021071826A1 (en) * 2019-10-10 2021-04-15 Titan Formwork Systems, Llc Adjustable beam
US20220064969A1 (en) * 2019-10-10 2022-03-03 Titan Formwork Systems, Llc Adjustable beam
US11199012B2 (en) 2019-10-10 2021-12-14 Titan Formwork Systems, Llc Adjustable beam
US11702852B2 (en) 2019-10-10 2023-07-18 Titan Formwork Systems, Llc Adjustable beam
WO2021180756A1 (en) * 2020-03-11 2021-09-16 Nordiska Balco Ab Telescopic pillar system and the use of such pillar system
WO2022161955A1 (en) * 2021-01-26 2022-08-04 Peri Se Device for attaching a ceiling formwork panel, ceiling formwork, ceiling panel for a ceiling formwork, support strip, support unit, support connection and support mount
DE102021101679A1 (en) 2021-01-26 2022-07-28 Peri Se Device for attaching a ceiling formwork panel, ceiling formwork, ceiling panel for a ceiling formwork, carrier strip, carrier unit, carrier connection and carrier holder

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EP3073028B1 (en) 2024-03-27
FR3034120A1 (en) 2016-09-30

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