EP1310605A1 - Assembling node, spatial structure and procedure for assembling such structure by means of this node - Google Patents

Assembling node, spatial structure and procedure for assembling such structure by means of this node Download PDF

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Publication number
EP1310605A1
EP1310605A1 EP02356223A EP02356223A EP1310605A1 EP 1310605 A1 EP1310605 A1 EP 1310605A1 EP 02356223 A EP02356223 A EP 02356223A EP 02356223 A EP02356223 A EP 02356223A EP 1310605 A1 EP1310605 A1 EP 1310605A1
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EP
European Patent Office
Prior art keywords
plate
node
members
wing
base plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02356223A
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German (de)
French (fr)
Inventor
Alain Legrand
Michèle Legrand
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1310605A1 publication Critical patent/EP1310605A1/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B1/1903—Connecting nodes specially adapted therefor
    • E04B2001/1918—Connecting nodes specially adapted therefor with connecting nodes having flat radial connecting surfaces
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1936—Winged profiles, e.g. with a L-, T-, U- or X-shaped cross section
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1957—Details of connections between nodes and struts
    • E04B2001/1963—Screw connections with axis at an angle, e.g. perpendicular, to the main axis of the strut
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1981—Three-dimensional framework structures characterised by the grid type of the outer planes of the framework
    • E04B2001/1984—Three-dimensional framework structures characterised by the grid type of the outer planes of the framework rectangular, e.g. square, grid
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1993—Details of framework supporting structure, e.g. posts or walls

Definitions

  • the invention relates to an assembly node for spatial structure.
  • the invention also relates to a spatial structure and a method of assembling such structure comprising such a node.
  • Such a structure is known, for example from FR-A-2 536 775.
  • the tetrahedra basic monoblocks of the structure must be transported being already assembled, that is to say relatively bulky, which limits economic performance of such a structure.
  • Assembly nodes for spatial structure are, moreover, known from FR-A-2 454 010 or FR-A-2 474 113. These nodes have complex geometries, which increases their cost price. In the majority of cases, they must be pre-assembled in the factory and transported relatively bulky to the installation site of a spatial structure.
  • the main members of the structure can be mounted on the assembly node in taking in screed its parts provided for this purpose, which allows a transmission of forces from these members in direction of the clean point, without risk of deformation of the node.
  • the forces transmitted by such a node to main members do not risk deforming these members, in particular by buckling.
  • the invention also relates to a spatial structure equipped with knots as previously described.
  • a spatial structure is more economical and easier to assemble only those of the state of the art.
  • the invention finally relates to an assembly method of a spatial structure comprising nodes such as previously described and, more specifically, a method which includes a step of making knots assembly by mounting at least one plate provided fixing wings for the ends of main members and diagonals on a base plate able to be taken in clevis by ends of main members.
  • This process can be easily implemented on site of installation of the structure, the nodes can be transported in spare parts to this site.
  • it is selects the type of plate to be mounted on the plate base depending on the planned position of the knot in the spatial structure.
  • the mounting of the plate (s) on the base plate is performed by bolting, that is to say reversibly.
  • Main members 1 extend in two horizontal planes P 1 and P 2 in FIG. 2 and constitute the upper and lower limits of the structure S.
  • Diagonal members 2 extend between the main members 1 by joining the planes P 1 and P 2 .
  • the members 1 are formed by assembling two angles 11, 12 in the shape of L or C of which two wings are joined together.
  • the diagonal members 2 are formed of angle iron 21 and 22 assembled together and of which two wings are joined.
  • the angles 21 and 22 can have dimensions transverse weaker than the angles 11 and 12.
  • Frames 1 and 2 are assembled using knots 3 on which they are fixed by bolts 4.
  • a node 3 comprises a base plate 31 overall flat and provided with holes 311 for passing bolts 4 for fixing angles 11 and 12 intended for constitute main members 1.
  • the ends 111 and 121 of the angles 11 and 12 are provided of holes 112 and 122 for passage of the screws 41 belonging to bolts 4 and intended to cooperate with nuts 42 also belonging to these bolts.
  • the plate 31 is also provided with four holes 313 allowing the passage of bolts 5 for fixing two plates 32 and 33 intended to take in screed the part central 314 of the plate 31 defined between the holes 313.
  • the bolts 5 are represented only by their center lines in the figure 3.
  • the plate 32 is more particularly visible in FIG. 4. It comprises a first wing 321 which is plane and which has for plane of symmetry a plane P 321 generally perpendicular to the plane P 31 when the plate 32 is mounted on the plate 31.
  • L 'wing 321 is provided with a hole 3211 for the passage of bolts 4 for fixing the ends 111 and 121 of angles 11, 12 belonging to main members 1 extending along an axis Y-Y', generally perpendicular to the axis X- X '.
  • the axis YY ' is included in the plane P 321 .
  • angles 11 and 12 are not necessarily L-shaped. They may have a section in C, as shown for angles 11 and 12 constituting the main members 1 mounted on the plates 32 and 33 along the axis Y-Y '.
  • the plate 32 also includes a back 322 generally perpendicular to wing 321 and extending from on either side of it.
  • This back 322 is provided with four 3221 holes intended to be aligned with the holes 313 of the plate 31, for the passage of the bolts 5.
  • the wing 321 forms, with each half of the back 322, a dihedral according to the bisector plane P 323 of which is disposed a secondary wing 323.
  • Another secondary wing 324 is disposed symmetrically with the wing 323 relative to the plane P 321 .
  • This other wing 324 is centered on a bisector plane of a dihedral defined between the wing 321 and the part shown on the left in FIG. 4 of the back 322.
  • Each of the wings 323 and 324 is provided with holes 3231, respectively 3241, of passage of bolts 6 making it possible to mount ends 211 and 221 of angles 21 and 22 together forming a diagonal frame 2 and provided with holes 212 and 222 for passage of bolts 6.
  • the ends 211 and 221 of the angles 21 and 22 take wings 323 and 324 respectively.
  • the parts 321 to 324 of the plate 32 are assembled by a weld bead 325.
  • the holes 32, 31 provided on the wing 323 are aligned in the desired direction for the diagonal member 2 with which they must cooperate.
  • the diagonal members are oriented with an angle ⁇ equal to approximately 45 ° relative to the basic horizontal plane P 2 of the structure S. This angle can vary between approximately 30 and approximately 60 °.
  • Plate 33 is identical to plate 32 and also includes a first wing 331 intended to be taken in screed by angles 11 and 12 constituting a main frame arranged in the direction Y-Y '.
  • the plate 33 also includes a back 332 intended to come in support against the plate 31.
  • the plate 33 is also with two secondary wings, only one of which is visible in Figure 3, with the reference 333.
  • a 2 'diagonal frame can also be formed by a tube 21 'whose end 211 'is flattened and provided with holes 212' for passage of bolts, which also allows assembly with a secondary wing of plate 32 or plate 33.
  • a node 3 in accordance with the invention when it is to be used in a specific configuration, for example at the level of the support zone of the structure S on a pole P.
  • a single plate 32 ' is mounted on a base plate of the type of plate 31, this plate 32' being provided with a first wing 321 'perpendicular to a back 322' and secondary wings 323 'and 324' comprising two series of holes 3231 ', 3232', 3241 'and 3242' making it possible to arrange, according to the plane P 2, horizontal members 1 'oriented at approximately 45 °, in top view, with respect to the other horizontal members constituting the lower ply of the structure S.
  • node 3 can be assembled at the installation site of the structure S, its various constituent elements, namely base plates 31 and plates 32, 32 'and / or 33, being easily transported on this site, at the same time as angles or tubes intended to constitute the frames principal and diagonal of the structure S. According to its location in the structure S, each node 3 can be formed using one or two plates of the type shown in Figure 4 or of the type shown in Figure 5.
  • the present invention makes it possible to benefit from the advantages of using a spatial structure, hyperstatic, especially the reduction in the number of points of support of such a structure used in framework, hence better use of the covered soil and a economy on foundations.
  • a spatial structure allows the integration of ventilation ducts and / or heating, as well as spotlights or appliances lighting, while its fire resistance is excellent made of its high degree of hyperstaticity.
  • the frames diagonal or main can be realized by means angle iron with L-profile, equal or unequal, or with L-profile C, or even with hollow tubes whose ends are adapted to screed at least some parts nodes with which they are associated, for example at medium spacers.
  • the choice of hollow profiles increases the surface weight of the structure but also the rigidity framing and bracing.
  • Cover or floor bins can rest directly on the structure without the need to add another profile or support since the tablecloths formed by the main members are flat.
  • the present invention makes it possible in particular to decrease the surface mass of a spatial structure by compared to known devices.
  • the elements constituent standards of members and nodes can be optimized with regard to their thicknesses because they work globally so symmetrical with respect to their respective median planes.

Abstract

The joint consists of a base plate (31) designed to be joined to the ends (111, 112) of two main members (1), and at least one additional plate (32) that bolts onto the base plate. Each additional plate has a first fin (321, 331) projecting at right angles to the plane of the base plate for connecting to the ends of main members (11, 12), and one or more oblique fins (323, 324) for connecting to the ends of diagonal members (2).

Description

L'invention a trait à un noeud d'assemblage pour structure spatiale. L'invention a également trait à une structure spatiale et à un procédé d'assemblage d'une telle structure comprenant un tel noeud.The invention relates to an assembly node for spatial structure. The invention also relates to a spatial structure and a method of assembling such structure comprising such a node.

Dans le domaine de la construction, il est connu de réaliser une charpente à l'aide de poutrelles ou membrures métalliques qui, après assemblage sur un chantier, constituent deux nappes globalement parallèles formées de membrures, ces nappes étant entretoisées par des poutrelles ou membrures diagonales. Ce type de structure est connu sous la dénomination de « structure spatiale » et peut être mis en oeuvre de façon relativement aisée en transportant les membrures préalablement à leur assemblage, ce qui s'avère très pratique, alors que la structure réalisée est globalement hyperstatique et résiste efficacement aux contraintes mécaniques, grâce à une répartition optimisée des efforts qu'elle subit.In the field of construction, it is known to make a frame using beams or frames which, after assembly on a site, constitute two generally parallel layers formed of frames, these sheets being braced by beams or diagonal members. This type of structure is known under the name of "spatial structure" and can be implemented relatively easily by transporting the frames before their assembly, which is very practical, while the structure produced is globally hyperstatic and effectively resists mechanical stresses, thanks to an optimized distribution of the efforts it undergoes.

Une telle structure est connue, par exemple de FR-A-2 536 775. Dans ce type de structure, il convient de prévoir des platines d'assemblage entre les membrures ou poutrelles des éléments unitaires de la structure, ces platines étant soudées sur les membrures associées. Les tétraèdres monoblocs de base de la structure doivent être transportés en étant déjà assemblés, c'est-à-dire relativement encombrants, ce qui limite les performances économiques d'une telle structure.Such a structure is known, for example from FR-A-2 536 775. In this type of structure, provision should be made assembly plates between members or beams unitary elements of the structure, these plates being welded on the associated members. The tetrahedra basic monoblocks of the structure must be transported being already assembled, that is to say relatively bulky, which limits economic performance of such a structure.

Des noeuds d'assemblage pour structure spatiale sont, par ailleurs, connus de FR-A-2 454 010 ou de FR-A-2 474 113. Ces noeuds ont des géométries complexes, ce qui majore leur prix de revient. Dans la majorité des cas, ils doivent être pré-assemblés en usine et transportés en étant relativement encombrants jusqu'au site d'installation d'une structure spatiale. Assembly nodes for spatial structure are, moreover, known from FR-A-2 454 010 or FR-A-2 474 113. These nodes have complex geometries, which increases their cost price. In the majority of cases, they must be pre-assembled in the factory and transported relatively bulky to the installation site of a spatial structure.

C'est à ces inconvénients qu'entend plus particulièrement remédier l'invention en proposant un nouveau noeud d'assemblage pour structure spatiale qui est d'un usage particulièrement aisé, tout en étant économique et en permettant une excellente répartition des efforts à l'intérieur d'une telle structure.It is to these disadvantages that most particularly remedy the invention by proposing a new assembly node for spatial structure which is particularly easy to use, while being economical and allowing an excellent distribution of the forces to inside such a structure.

Dans cet esprit, l'invention concerne un noeud d'assemblage pour structure spatiale, cette structure comprenant des membrures principales qui s'étendent dans au moins deux plans globalement parallèles et des membrures diagonales qui s'étendent entre ces plans. Ce noeud est caractérisé en ce qu'il comprend :

  • une plaque de base apte à être assemblée avec les extrémités respectives de deux membrures principales, chaque extrémité de membrure prenant en chape cette plaque et
  • au moins une platine apte à être assemblée avec cette plaque de base et comprenant une première aile, s'étendant selon un plan globalement perpendiculaire à un plan de symétrie de la plaque de base, lorsque la platine est montée sur cette plaque, et apte à être assemblée avec une extrémité d'une membrure principale prenant en chape cette aile, et au moins une seconde aile qui s'étend dans un plan oblique par rapport à la première aile, cette seconde aile étant apte à être assemblée avec une extrémité d'une membrure diagonale.
In this spirit, the invention relates to an assembly node for a spatial structure, this structure comprising main members which extend in at least two generally parallel planes and diagonal members which extend between these planes. This node is characterized in that it comprises:
  • a base plate capable of being assembled with the respective ends of two main members, each end of the member taking the cover of this plate and
  • at least one plate capable of being assembled with this base plate and comprising a first wing, extending along a plane generally perpendicular to a plane of symmetry of the base plate, when the plate is mounted on this plate, and capable of be assembled with one end of a main member taking this wing as a fork, and at least a second wing which extends in an oblique plane with respect to the first wing, this second wing being able to be assembled with one end of a diagonal member.

Grâce à l'invention, les membrures principales de la structure peuvent être montées sur le noeud d'assemblage en prenant en chape ses parties prévues à cet effet, ce qui permet une transmission d'efforts de ces membrures en direction du point d'épuré, sans risque de déformation du noeud. En outre, les efforts transmis pas un tel noeud aux membrures principales, ne risquent pas de déformer ces membrures, notamment par flambement. Thanks to the invention, the main members of the structure can be mounted on the assembly node in taking in screed its parts provided for this purpose, which allows a transmission of forces from these members in direction of the clean point, without risk of deformation of the node. In addition, the forces transmitted by such a node to main members, do not risk deforming these members, in particular by buckling.

Selon des aspects avantageux mais non obligatoires de l'invention, ce noeud incorpore une ou plusieurs des caractéristiques suivantes :

  • La platine comprend un dos plan, globalement perpendiculaire à la première aile et formant avec celle-ci au moins un dièdre dans lequel est inscrite la seconde aile, ce dos étant apte à venir en appui surfacique contre la plaque de base pour le montage de cette platine sur cette plaque. Dans ce cas, le noeud comprend avantageusement deux platines dont les dos respectifs peuvent prendre en chape la plaque de base. On peut en outre prévoir que la plaque de base et le dos de la ou des platines sont pourvus d'orifices de passage d'organes d'assemblage réversible de la ou des platines sur la plaque de base. Ces organes d'assemblage réversible peuvent être constitués par des boulons. De façon avantageuse, la seconde aile s'étend globalement dans un plan bissecteur du dièdre formé par la première aile et par le dos précité.
  • La plaque de base et les ailes de la ou des platines sont pourvues d'orifices de passage d'organes d'assemblage réversible des membrures sur le noeud.
According to advantageous but not compulsory aspects of the invention, this node incorporates one or more of the following characteristics:
  • The plate comprises a flat back, generally perpendicular to the first wing and forming with the latter at least one dihedral in which the second wing is inscribed, this back being able to come into surface support against the base plate for mounting this platinum on this plate. In this case, the knot advantageously comprises two plates, the respective backs of which can take the base plate out of the yoke. It is also possible to provide that the base plate and the back of the plate or plates are provided with orifices for the passage of reversible assembly members of the plate or plates on the base plate. These reversible assembly members can be constituted by bolts. Advantageously, the second wing extends overall in a bisector plane of the dihedral formed by the first wing and by the aforementioned back.
  • The base plate and the wings of the plate or plates are provided with holes for the passage of reversible assembly members of the members on the node.

L'invention concerne également une structure spatiale équipée de noeuds tels que précédemment décrits. Une telle structure spatiale est plus économique et plus facile à assembler que celles de l'état de la technique.The invention also relates to a spatial structure equipped with knots as previously described. Such a spatial structure is more economical and easier to assemble only those of the state of the art.

L'invention concerne enfin un procédé d'assemblage d'une structure spatiale comprenant des noeuds tels que précédemment décrits et, plus spécifiquement, un procédé qui comprend une étape consistant à réaliser des noeuds d'assemblage en montant au moins une platine pourvue d'ailes de fixation d'extrémités de membrures principales et diagonales sur une plaque de base apte à être prise en chape par des extrémités de membrures principales. The invention finally relates to an assembly method of a spatial structure comprising nodes such as previously described and, more specifically, a method which includes a step of making knots assembly by mounting at least one plate provided fixing wings for the ends of main members and diagonals on a base plate able to be taken in clevis by ends of main members.

Ce procédé peut être aisément mis en place sur le site d'installation de la structure, les noeuds pouvant être transportés en pièces détachées jusqu'à ce site.This process can be easily implemented on site of installation of the structure, the nodes can be transported in spare parts to this site.

Selon un premier aspect avantageux de l'invention, on sélectionne le type de platine à monter sur la plaque de base en fonction de la position prévue du noeud dans la structure spatiale.According to a first advantageous aspect of the invention, it is selects the type of plate to be mounted on the plate base depending on the planned position of the knot in the spatial structure.

Selon un autre aspect avantageux de l'invention, le montage de la ou des platines sur la plaque de base est effectué par boulonnage, c'est-à-dire de façon réversible.According to another advantageous aspect of the invention, the mounting of the plate (s) on the base plate is performed by bolting, that is to say reversibly.

L'invention sera mieux comprise et d'autres avantages de celle-ci apparaítront plus clairement à la lumière de la description qui va suivre d'un mode de réalisation d'une structure spatiale conforme à l'invention équipée de noeuds conformes à l'invention, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :

  • La figure 1 est une vue en perspective d'une structure spatiale conforme à l'invention ;
  • La figure 2 est une vue partielle de côté de la structure de la figure 1 supportée par un poteau ;
  • La figure 3 est une vue en perspective éclatée d'un noeud d'assemblage utilisé dans la structure des figures 1 et 2 et des extrémités de membrures associées ;
  • La figure 4 est une vue en perspective d'une platine utilisée dans le noeud de la figure 3 ;
  • La figure 5 est une vue analogue à la figure 4 pour une seconde platine pouvant être utilisé dans un noeud du type de celui de la figure 3 et
  • La figure 6 est une vue en perspective du noeud de la figure 3 utilisé dans la structure des figures 1 et 2.
The invention will be better understood and other advantages thereof will appear more clearly in the light of the following description of an embodiment of a spatial structure according to the invention equipped with nodes according to the invention, given solely by way of example and made with reference to the accompanying drawings in which:
  • Figure 1 is a perspective view of a spatial structure according to the invention;
  • Figure 2 is a partial side view of the structure of Figure 1 supported by a pole;
  • Figure 3 is an exploded perspective view of an assembly node used in the structure of Figures 1 and 2 and the ends of associated members;
  • Figure 4 is a perspective view of a plate used in the node of Figure 3;
  • FIG. 5 is a view similar to FIG. 4 for a second plate which can be used in a node of the type of that of FIG. 3 and
  • FIG. 6 is a perspective view of the node of FIG. 3 used in the structure of FIGS. 1 and 2.

La structure S représentée aux figures 1 et 2 est formée par assemblage de poutrelles ou membrures de deux types. Des membrures principales 1 s'étendent dans deux plans P1 et P2 horizontaux à la figure 2 et constituant les limites supérieure et inférieure de la structure S. Des membrures diagonales 2 s'étendent entre les membrures principales 1 en rejoignant les plans P1 et P2.The structure S shown in Figures 1 and 2 is formed by assembling beams or members of two types. Main members 1 extend in two horizontal planes P 1 and P 2 in FIG. 2 and constitute the upper and lower limits of the structure S. Diagonal members 2 extend between the main members 1 by joining the planes P 1 and P 2 .

Les membrures 1 sont formées par assemblage de deux cornières 11, 12 en forme de L ou de C dont deux ailes sont accolées ensemble. De même, les membrures diagonales 2 sont formées de cornière 21 et 22 assemblées ensemble et dont deux ailes sont accolées.The members 1 are formed by assembling two angles 11, 12 in the shape of L or C of which two wings are joined together. Similarly, the diagonal members 2 are formed of angle iron 21 and 22 assembled together and of which two wings are joined.

Les cornières 21 et 22 peuvent avoir des dimensions transversales plus faibles que les cornières 11 et 12.The angles 21 and 22 can have dimensions transverse weaker than the angles 11 and 12.

Les membrures 1 et 2 sont assemblées grâce à des noeuds 3 sur lesquels elles sont fixées par des boulons 4.Frames 1 and 2 are assembled using knots 3 on which they are fixed by bolts 4.

Comme il ressort plus particulièrement des figures 3 à 6, un noeud 3 comprend une plaque de base 31 globalement plane et pourvue de perçages 311 de passage de boulons 4 pour la fixation de cornières 11 et 12 destinées à constituer des membrures principales 1. Pour ce faire, les extrémités 111 et 121 des cornières 11 et 12 sont pourvues de perçages 112 et 122 de passage des vis 41 appartenant aux boulons 4 et destinées à coopérer avec des écrous 42 appartenant également à ces boulons.As can be seen more particularly from FIGS. 3 to 6, a node 3 comprises a base plate 31 overall flat and provided with holes 311 for passing bolts 4 for fixing angles 11 and 12 intended for constitute main members 1. To do this, the ends 111 and 121 of the angles 11 and 12 are provided of holes 112 and 122 for passage of the screws 41 belonging to bolts 4 and intended to cooperate with nuts 42 also belonging to these bolts.

On note 312 les parties de la plaque 31 dans lesquels sont ménagés les perçages 311. Ces parties 312 sont destinées à être prises en chape par les extrémités 111 et 121 des cornières 11 et 12, de telle sorte que les efforts exercés par les membrures 1 parallèles à la plaque 31 sur le noeud 3, ou par le noeud 3 sur ces membrures 1, sont alignés, avec une bonne précision, avec un plan P31 de symétrie de la plaque 31. On note X-X' un axe central des membrures 1 boulonnées sur cette plaque, cet axe étant inclus dans le plan P31. There are 312 the parts of the plate 31 in which the holes 311 are formed. These parts 312 are intended to be taken in a yoke by the ends 111 and 121 of the angles 11 and 12, so that the forces exerted by the members 1 parallel to the plate 31 on the node 3, or by the node 3 on these members 1, are aligned, with good precision, with a plane P 31 of symmetry of the plate 31. XX 'denotes a central axis of the members 1 bolted to this plate, this axis being included in plane P 31 .

La plaque 31 est également pourvue de quatre perçages 313 permettant le passage de boulons 5 de fixation de deux platines 32 et 33 destinées à prendre en chape la partie centrale 314 de la plaque 31 définie entre les perçages 313. Pour la clarté du dessin, les boulons 5 sont représentés uniquement par leurs traits d'axe à la figure 3.The plate 31 is also provided with four holes 313 allowing the passage of bolts 5 for fixing two plates 32 and 33 intended to take in screed the part central 314 of the plate 31 defined between the holes 313. For the sake of clarity, the bolts 5 are represented only by their center lines in the figure 3.

La platine 32 est plus particulièrement visible à la figure 4. Elle comprend une première aile 321 qui est plane et qui a pour plan de symétrie un plan P321 globalement perpendiculaire au plan P31 lorsque la platine 32 est montée sur la plaque 31. L'aile 321 est pourvue de perçage 3211 de passage de boulons 4 de fixation des extrémités 111 et 121 de cornières 11, 12 appartenant à des membrures principales 1 s'étendant selon un axe Y-Y', globalement perpendiculaire à l'axe X-X'. L'axe Y-Y' est inclus dans le plan P321.The plate 32 is more particularly visible in FIG. 4. It comprises a first wing 321 which is plane and which has for plane of symmetry a plane P 321 generally perpendicular to the plane P 31 when the plate 32 is mounted on the plate 31. L 'wing 321 is provided with a hole 3211 for the passage of bolts 4 for fixing the ends 111 and 121 of angles 11, 12 belonging to main members 1 extending along an axis Y-Y', generally perpendicular to the axis X- X '. The axis YY 'is included in the plane P 321 .

Comme cela ressort des figures 3 et 6, les cornières 11 et 12 ne sont pas nécessairement à section en L. Elles peuvent avoir une section en C, comme représentée pour des cornières 11 et 12 constitutives des membrures principales 1 montées sur les platines 32 et 33 selon l'axe Y-Y'.As shown in Figures 3 and 6, the angles 11 and 12 are not necessarily L-shaped. They may have a section in C, as shown for angles 11 and 12 constituting the main members 1 mounted on the plates 32 and 33 along the axis Y-Y '.

La platine 32 comprend également un dos 322 globalement perpendiculaire à l'aile 321 et s'étendant de part et d'autre de celle-ci. Ce dos 322 est pourvu de quatre perçages 3221 destinés à être alignés avec les perçages 313 de la plaque 31, pour le passage des boulons 5.The plate 32 also includes a back 322 generally perpendicular to wing 321 and extending from on either side of it. This back 322 is provided with four 3221 holes intended to be aligned with the holes 313 of the plate 31, for the passage of the bolts 5.

L'aile 321 forme, avec chaque moitié du dos 322, un dièdre selon le plan bissecteur P323 duquel est disposée une aile secondaire 323. Une autre aile secondaire 324 est disposée de façon symétrique à l'aile 323 par rapport au plan P321. Cette autre aile 324 est centrée sur un plan bissecteur d'un dièdre défini entre l'aile 321 et la partie représentée à gauche sur la figure 4 du dos 322. Chacune des ailes 323 et 324 est pourvue de perçages 3231, respectivement 3241, de passage de boulons 6 permettant de monter des extrémités 211 et 221 de cornières 21 et 22 formant ensemble une membrure diagonale 2 et pourvues de perçage 212 et 222 de passage des boulons 6.The wing 321 forms, with each half of the back 322, a dihedral according to the bisector plane P 323 of which is disposed a secondary wing 323. Another secondary wing 324 is disposed symmetrically with the wing 323 relative to the plane P 321 . This other wing 324 is centered on a bisector plane of a dihedral defined between the wing 321 and the part shown on the left in FIG. 4 of the back 322. Each of the wings 323 and 324 is provided with holes 3231, respectively 3241, of passage of bolts 6 making it possible to mount ends 211 and 221 of angles 21 and 22 together forming a diagonal frame 2 and provided with holes 212 and 222 for passage of bolts 6.

Les extrémités 211 et 221 des cornières 21 et 22 prennent respectivement en chape les ailes 323 et 324.The ends 211 and 221 of the angles 21 and 22 take wings 323 and 324 respectively.

Les parties 321 à 324 de la platine 32 sont assemblées par un cordon de soudure 325.The parts 321 to 324 of the plate 32 are assembled by a weld bead 325.

Les perçages 32, 31 prévus sur l'aile 323 sont alignés selon la direction souhaitée pour la membrure diagonale 2 avec lesquels ils doivent coopérer.The holes 32, 31 provided on the wing 323 are aligned in the desired direction for the diagonal member 2 with which they must cooperate.

En pratique, les membrures diagonales sont orientées avec un angle α égal à environ 45° par rapport au plan horizontal de base P2 de la structure S. Cet angle peut varier entre environ 30 et environ 60°.In practice, the diagonal members are oriented with an angle α equal to approximately 45 ° relative to the basic horizontal plane P 2 of the structure S. This angle can vary between approximately 30 and approximately 60 °.

La platine 33 est identique à la platine 32 et comprend également une première aile 331 destinée à être prise en chape par des cornières 11 et 12 constituant une membrure principale disposée selon la direction Y-Y'. La platine 33 comprend également un dos 332 destiné à venir en appui contre la plaque 31. La platine 33 est également pourvue de deux ailes secondaires, dont une seule est visible à la figure 3, avec la référence 333.Plate 33 is identical to plate 32 and also includes a first wing 331 intended to be taken in screed by angles 11 and 12 constituting a main frame arranged in the direction Y-Y '. The plate 33 also includes a back 332 intended to come in support against the plate 31. The plate 33 is also with two secondary wings, only one of which is visible in Figure 3, with the reference 333.

Comme représenté uniquement à la figure 3 pour la membrure à monter sur l'aile 333, une membrure diagonale 2' peut également être formée par un tube 21' dont l'extrémité 211' est aplatie et pourvue d'orifices 212' de passage de boulons, ce qui permet également un assemblage avec une aile secondaire de la platine 32 ou de la platine 33.As shown only in Figure 3 for the frame to be mounted on wing 333, a 2 'diagonal frame can also be formed by a tube 21 'whose end 211 'is flattened and provided with holes 212' for passage of bolts, which also allows assembly with a secondary wing of plate 32 or plate 33.

Comme il ressort plus particulièrement de la figure 5, il est possible d'adapter un noeud 3 conforme à l'invention lorsque celui-ci doit être utilisé dans une configuration spécifique, par exemple au niveau de la zone d'appui de la structure S sur un poteau P. Dans ce cas, une seule platine 32' est montée sur une plaque de base du type de la plaque 31, cette platine 32' étant pourvue d'une première aile 321' perpendiculaire à un dos 322' et d'ailes secondaires 323' et 324' comprenant deux séries de perçages 3231', 3232', 3241' et 3242' permettant de disposer selon le plan P2 des membrures horizontales 1' orientées à environ 45°, en vue de dessus, par rapport aux autres membrures horizontales constituant la nappe inférieure de la structure S.As can be seen more particularly from FIG. 5, it is possible to adapt a node 3 in accordance with the invention when it is to be used in a specific configuration, for example at the level of the support zone of the structure S on a pole P. In this case, a single plate 32 'is mounted on a base plate of the type of plate 31, this plate 32' being provided with a first wing 321 'perpendicular to a back 322' and secondary wings 323 'and 324' comprising two series of holes 3231 ', 3232', 3241 'and 3242' making it possible to arrange, according to the plane P 2, horizontal members 1 'oriented at approximately 45 °, in top view, with respect to the other horizontal members constituting the lower ply of the structure S.

Quelles que soient les platines utilisées, le noeud 3 peut être assemblé sur le site d'installation de la structure S, ses différents éléments constitutifs, à savoir des plaques de base 31 et des platines 32, 32' et/ou 33, étant aisément transportés sur ce site, en même temps que les cornières ou tubes destinés à constituer les membrures principales et diagonales de la structure S. En fonction de son emplacement dans la structure S, chaque noeud 3 peut être constitué en utilisant une ou deux platines du type représenté à la figure 4 ou du type représenté à la figure 5.Whatever decks are used, node 3 can be assembled at the installation site of the structure S, its various constituent elements, namely base plates 31 and plates 32, 32 'and / or 33, being easily transported on this site, at the same time as angles or tubes intended to constitute the frames principal and diagonal of the structure S. According to its location in the structure S, each node 3 can be formed using one or two plates of the type shown in Figure 4 or of the type shown in Figure 5.

La présente invention permet de bénéficier des avantages liés à l'utilisation d'une structure spatiale, hyperstatique, en particulier la réduction du nombre de points d'appui d'une telle structure utilisée en charpente, d'où une meilleure utilisation du sol couvert et une économie sur les fondations. Une telle structure spatiale permet d'intégrer des gaines de ventilation et/ou de chauffage, ainsi que des projecteurs ou des appareils d'éclairage, alors que sa tenue au feu est excellente du fait de son haut degré d'hyperstaticité. Les membrures diagonales ou principales peuvent être réalisées au moyen de cornière à profil en L, égal ou inégal, ou à profil en C, voire avec des tubes creux dont les extrémités sont adaptées pour prendre en chape certaines parties au moins des noeuds auxquels elles sont associées, par exemple au moyen d'entretoises. Le choix de profils creux augmente le poids surfacique de la structure mais également la rigidité au chantournement et au contreventement.The present invention makes it possible to benefit from the advantages of using a spatial structure, hyperstatic, especially the reduction in the number of points of support of such a structure used in framework, hence better use of the covered soil and a economy on foundations. Such a spatial structure allows the integration of ventilation ducts and / or heating, as well as spotlights or appliances lighting, while its fire resistance is excellent made of its high degree of hyperstaticity. The frames diagonal or main can be realized by means angle iron with L-profile, equal or unequal, or with L-profile C, or even with hollow tubes whose ends are adapted to screed at least some parts nodes with which they are associated, for example at medium spacers. The choice of hollow profiles increases the surface weight of the structure but also the rigidity framing and bracing.

Des bacs de couverture ou de plancher peuvent reposer directement sur la structure sans qu'il soit nécessaire d'ajouter un autre profil ou support puisque les nappes formées par les membrures principales sont planes.Cover or floor bins can rest directly on the structure without the need to add another profile or support since the tablecloths formed by the main members are flat.

La présente invention permet en particulier de diminuer la masse surfacique d'une structure spatiale par rapport aux dispositifs connus. En effet, les éléments standards constitutifs des membrures et des noeuds peuvent être optimisés en ce qui concerne leurs épaisseurs respectives, car ils travaillent globalement de façon symétrique par rapport à leurs plans médians respectifs.The present invention makes it possible in particular to decrease the surface mass of a spatial structure by compared to known devices. Indeed, the elements constituent standards of members and nodes can be optimized with regard to their thicknesses because they work globally so symmetrical with respect to their respective median planes.

Claims (10)

Noeud d'assemblage pour structure spatiale (S), ladite structure comprenant des membrures principales (1, 1') s'étendant dans au moins deux plans (P1, P2) globalement parallèles et des membrures diagonales (2, 2') s'étendant entre lesdits plans, caractérisé en ce que ledit noeud comprend : une plaque de base (31) apte à être assemblée avec les extrémités respectives (111, 121) de deux membrures principales (1), chaque extrémité de membrure prenant en chape ladite plaque et au moins une platine (32, 32', 33) apte à être assemblée avec ladite plaque de base et comprenant une première aile (321, 321', 331), s'étendant selon un plan (P321) globalement perpendiculaire à un plan de symétrie (P31) de ladite plaque de base, lorsque ladite platine est montée sur ladite plaque, et apte à être assemblée avec une extrémité (111, 121) d'une membrure principale (1) prenant en chape cette aile, et au moins une seconde aile (323, 324, 323', 324', 333) s'étendant selon un plan (P323) oblique par rapport à ladite première aile (321, 321', 331), ladite seconde aile étant apte à être assemblée avec une extrémité (211, 211', 221) d'une membrure diagonale (2, 2'). Assembly node for a spatial structure (S), said structure comprising main members (1, 1 ') extending in at least two planes (P 1 , P 2 ) generally parallel and diagonal members (2, 2') extending between said planes, characterized in that said node comprises: a base plate (31) capable of being assembled with the respective ends (111, 121) of two main members (1), each end of the member taking up the said plate in clevis and at least one plate (32, 32 ', 33) able to be assembled with said base plate and comprising a first wing (321, 321', 331), extending along a plane (P 321 ) generally perpendicular to a plane of symmetry (P 31 ) of said base plate, when said plate is mounted on said plate, and able to be assembled with one end (111, 121) of a main frame (1) taking this wing as a fork, and at at least a second wing (323, 324, 323 ', 324', 333) extending along a plane (P 323 ) oblique to said first wing (321, 321 ', 331), said second wing being adapted to be assembled with one end (211, 211 ', 221) of a diagonal member (2, 2'). Noeud d'assemblage selon la revendication 1, caractérisé en ce que ladite platine (32, 32', 33) comprend un dos plan (322, 322', 332) globalement perpendiculaire à ladite aile (321, 321', 331) et formant avec celle-ci au moins un dièdre dans lequel est inscrite ladite seconde aile (323, 324, 323', 324', 333), ledit dos étant apte à venir en appui surfacique contre ladite plaque de base (31) pour le montage de ladite platine sur ladite plaque. Assembly node according to claim 1, characterized in that said plate (32, 32 ', 33) comprises a flat back (322, 322', 332) generally perpendicular to said wing (321, 321 ', 331) and forming with the latter at least one dihedral in which is inscribed said second wing (323, 324, 323 ', 324', 333), said back being able to come into surface support against said base plate (31) for mounting said plate on said plate. Noeud selon la revendication 2, caractérisé en ce qu'il comprend deux platines (32, 33) dont les dos respectifs (322, 332) sont aptes à prendre en chape ladite plaque de base (31).Knot according to claim 2, characterized in that it comprises two plates (32, 33), the respective backs (322, 332) of which are capable of taking up said base plate (31). Noeud selon l'une des revendications 2 ou 3, caractérisé en ce que ladite plaque de base (31) et ledit dos (322, 322', 332) de ladite ou desdites platines (32, 32', 33) sont pourvus d'orifices (3221, 313) de passage d'organes (5) d'assemblage réversible de ladite ou desdites platines sur ladite plaque de base.Knot according to either of Claims 2 and 3, characterized in that the said base plate (31) and the said back (322, 322 ', 332) of the said plate or plates (32, 32', 33) are provided with orifices (3221, 313) for the passage of members (5) for reversible assembly of said plate or plates on said base plate. Noeud selon l'une des revendications 2 à 4, caractérisé en ce que ladite seconde aile (323, 323', 324, 324') s'étend globalement dans un plan bissecteur (P323) du dièdre formé par ladite première aile (321) et ledit dos (322).Node according to one of claims 2 to 4, characterized in that said second wing (323, 323 ', 324, 324') extends generally in a bisector plane (P 323 ) of the dihedral formed by said first wing (321 ) and said back (322). Noeud selon l'une des revendications précédentes, caractérisé en ce que ladite plaque de base (31) et lesdites ailes (321, 323, 324, 321', 322', 324', 331, 333) de ladite ou desdites platines (32, 32', 33) sont pourvues d'orifices (3211, 3231, 3241, 3231', 3232', 3241', 3242') de passage d'organes (4, 6) d'assemblage réversible desdites membrures (1, 2) sur ledit noeud (3).Node according to one of the preceding claims, characterized in that said base plate (31) and said wings (321, 323, 324, 321 ', 322', 324 ', 331, 333) of said one or more plates (32 , 32 ', 33) are provided with orifices (3211, 3231, 3241, 3231', 3232 ', 3241', 3242 ') for the passage of members (4, 6) for the reversible assembly of said members (1, 2 ) on said node (3). Structure spatiale (S) comprenant des membrures, caractérisée en ce qu'elle comprend au moins un noeud (3) selon l'une des revendications précédentes.Spatial structure (S) comprising members, characterized in that it comprises at least one node (3) according to one of the preceding claims. Procédé d'assemblage d'une structure spatiale (S) comprenant des membrures principales (1, 1') s'étendant dans au moins deux plans (P1, P2) globalement parallèles et des membrures diagonales (2, 2') s'étendant entre lesdits plans, caractérisé en ce qu'il comprend une étape consistant à réaliser, des noeuds d'assemblage (3) en montant au moins une platine (32, 32', 33) pourvue d'ailes (321, 323, 324, 321', 322', 323', 331, 333) de fixation d'extrémités (111, 112, 211, 211', 221) de membrures principales (1) et diagonales (2) sur une plaque de base (31) apte à être prise en chape par des extrémités (111, 121) de membrures principales (1).Method for assembling a spatial structure (S) comprising main members (1, 1 ') extending in at least two planes (P 1 , P 2 ) generally parallel and diagonal members (2, 2') s 'extending between said planes, characterized in that it comprises a step consisting in producing, assembly nodes (3) by mounting at least one plate (32, 32', 33) provided with wings (321, 323, 324, 321 ', 322', 323 ', 331, 333) for fixing ends (111, 112, 211, 211', 221) of main members (1) and diagonals (2) on a base plate (31 ) able to be taken in screed by ends (111, 121) of main members (1). Procédé selon la revendication 8, caractérisé en ce qu'il consiste à sélectionner le type de platine (32, 32', 33) à monter sur ladite plaque de base (31) en fonction de la position prévue dudit noeud (3) dans ladite structure (S) .Method according to claim 8, characterized in that it consists in selecting the type of plate (32, 32 ', 33) to be mounted on said base plate (31) according to the expected position of said node (3) in said structure (S). Procédé selon l'une des revendications 8 ou 9, caractérisé en ce que le montage de ladite ou desdites platines (32, 32', 33) sur ladite plaque de base (31) est effectué par boulonnage (5).Method according to one of claims 8 or 9, characterized in that the mounting of said one or more plates (32, 32 ', 33) on said base plate (31) is carried out by bolting (5).
EP02356223A 2001-11-09 2002-11-08 Assembling node, spatial structure and procedure for assembling such structure by means of this node Withdrawn EP1310605A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0114559 2001-11-09
FR0114559A FR2832170B1 (en) 2001-11-09 2001-11-09 ASSEMBLY KNOT, SPATIAL STRUCTURE AND METHOD FOR ASSEMBLING SUCH A STRUCTURE USING SUCH A KNOT

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012145513A3 (en) * 2011-04-19 2013-05-16 Abengoa Solar Inc. Structural frame and solar collector module
DE102013106447A1 (en) * 2013-06-20 2014-12-24 Jeahan Kim Connection node for a structure

Citations (2)

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FR1442413A (en) * 1965-05-03 1966-06-17 Prefabricated connecting member which can be used in particular for the assembly of metal frame elements with large spans
FR1559369A (en) * 1967-03-25 1969-03-07

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Publication number Priority date Publication date Assignee Title
FR2474113A2 (en) 1980-01-23 1981-07-24 Nasi Cesarino ASSEMBLY KNOT FOR SPATIAL STRUCTURE AND SPATIAL STRUCTURE EQUIPPED WITH SUCH A KNOT
FR2454010A1 (en) 1979-04-09 1980-11-07 Nasi Cesarino Multiple joint for welded structure - consists of interlocking flat strips with line of force passing through centre
FR2536775A1 (en) 1982-11-29 1984-06-01 Monge Lycee Tech Etat Metal modular structure for a framework.

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Publication number Priority date Publication date Assignee Title
FR1442413A (en) * 1965-05-03 1966-06-17 Prefabricated connecting member which can be used in particular for the assembly of metal frame elements with large spans
FR1559369A (en) * 1967-03-25 1969-03-07

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012145513A3 (en) * 2011-04-19 2013-05-16 Abengoa Solar Inc. Structural frame and solar collector module
EP2940402A1 (en) * 2011-04-19 2015-11-04 Abengoa Solar Inc. Node connector of a three dimensional structural frame of a solar module
US10436478B2 (en) 2011-04-19 2019-10-08 Abengoa Solar Llc Structural frame and solar collector module
DE102013106447A1 (en) * 2013-06-20 2014-12-24 Jeahan Kim Connection node for a structure
DE102013106447B4 (en) 2013-06-20 2022-10-20 Jeahan Kim Connection node for a structure

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FR2832170A1 (en) 2003-05-16

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