EP1593789B1 - Noeud de connection des barres d'une structure spaciale réticulée - Google Patents

Noeud de connection des barres d'une structure spaciale réticulée Download PDF

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Publication number
EP1593789B1
EP1593789B1 EP05103369A EP05103369A EP1593789B1 EP 1593789 B1 EP1593789 B1 EP 1593789B1 EP 05103369 A EP05103369 A EP 05103369A EP 05103369 A EP05103369 A EP 05103369A EP 1593789 B1 EP1593789 B1 EP 1593789B1
Authority
EP
European Patent Office
Prior art keywords
node
plane
bearing structure
struts
structure according
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.)
Not-in-force
Application number
EP05103369A
Other languages
German (de)
English (en)
Other versions
EP1593789A2 (fr
EP1593789A3 (fr
Inventor
Johann Sischka
Ludwig Purer
Gerald Schmidt
Peter Schnebel
Zsolt Nemeth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Waagner-Biro Stahlbau AG
Original Assignee
WAAGNER BIRO STAHLBAU AG
Waagner-Biro Stahlbau AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WAAGNER BIRO STAHLBAU AG, Waagner-Biro Stahlbau AG filed Critical WAAGNER BIRO STAHLBAU AG
Publication of EP1593789A2 publication Critical patent/EP1593789A2/fr
Publication of EP1593789A3 publication Critical patent/EP1593789A3/fr
Application granted granted Critical
Publication of EP1593789B1 publication Critical patent/EP1593789B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04B1/32—Arched structures; Vaulted structures; Folded 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
    • E04B1/32—Arched structures; Vaulted structures; Folded structures
    • E04B2001/3235—Arched structures; Vaulted structures; Folded structures having a grid frame
    • E04B2001/3241—Frame connection details
    • E04B2001/3247—Nodes
    • 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
    • E04B1/32—Arched structures; Vaulted structures; Folded structures
    • E04B2001/3235—Arched structures; Vaulted structures; Folded structures having a grid frame
    • E04B2001/3252—Covering details
    • 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
    • E04B1/32—Arched structures; Vaulted structures; Folded structures
    • E04B2001/3294—Arched structures; Vaulted structures; Folded structures with a faceted surface

Definitions

  • the invention relates to a node for connecting a plurality of bars of a surface structure according to the preamble of claim 1 and a corresponding surface structure.
  • a node and a corresponding surface structure are eg from the DE-A-25 06 008 known.
  • the surface structures are usually provided with a roofing, so that roofs or facades can be formed.
  • An object of the invention is therefore to provide a node, with which flat structures with irregularly curved shape can be produced.
  • a node according to claim 1.
  • the individual rods can not lie in or parallel to the nodal plane due to the curvature of the surface to be formed, but will include an angle with them.
  • a flat bearing surface must be formed by a plurality of bars.
  • the rods often have to be rotated about their longitudinal axis, and the upper side of the rods (which would lie parallel to the nodal plane in the case of a flat surface support structure) serving as a support surface is twisted with respect to the nodal plane.
  • the spatial position of each element of the roofing is first determined when calculating the geometry of the tensile structure. Then the surface normals of the flattening elements adjacent to a node are determined and from this the mean vector is calculated. This specifies the spatial position of the node. The position of the rods now results from the position of the nodes, wherein the rods are rotated about their longitudinal axis, that the roofing elements just on the adjacent bars (or the documents arranged thereon) rest.
  • the arms of the node are necessary because the rods usually have different distances from each other due to the rotation along the longitudinal axis and the different protruding from the nodal plane and therefore can not be welded together directly.
  • the deviation of 90 ° from the nodal plane is not more than 10 °, but it depends on the curvature of the surface structure and the length of the rods.
  • the deviations are according to experience about between 2 ° and 10 °.
  • the two side surfaces of an arm will usually be parallel to each other for the sake of simplicity, but it is also conceivable that these are not performed in parallel.
  • a knot according to the invention can be produced simply because the arms form both a common flat top and a common flat underside of the knot, the top and bottom being parallel to one another.
  • the knot out of a thick sheet, so that the top and bottom of the thick sheet form the top and bottom of the knot.
  • steel processing equipment which have an electronically controlled combustion, laser or water jet, which can be pivoted in all directions.
  • a further embodiment of the invention provides that the node has at the intersection of the arms at the top of a cylindrical mandrel for fixing rods. Thereby, the ends of the tops of the bars can be welded to the knot and thus the upper belt forces of the bars can be properly transmitted. It can also other elements of the roof or the facade are attached to this mandrel: so seals can form fit on this mandrel be put on.
  • the mandrel will be useful cylindrical and aligned normal to the nodal plane, such as in the form of a round bar, but can also be run as needed as a square.
  • An inventive surface structure of rods and nodes has at least one node according to the invention.
  • a rod is inserted between two adjacent arms of the node.
  • a tailed rod at its ends can be fitted and welded to its side walls on the side walls of the arms of the knot in accordance with the inclination of the side walls of the knot.
  • Suitable for this purpose are bars with a closed profile, for example of a substantially square or rectangular cross-section (box profile), but also bars with an open profile, such as U, C, I, T or angle-shaped profiles or combinations thereof.
  • Rods with a round profile can also be used, but the fitting and welding on the arms of the knots is not as well possible as with profiles with straight cross-section parts.
  • the upper side of the rod has a recess which is suitable for connecting the rod to the node, in particular to the mandrel of the knot.
  • the invention comprises a tensile structure with a node according to the invention and a sealing element for sealing the knot and the rods attached thereto in the region of the knot in a tensile structure: this has a central region which covers at least the region of the intersection of the arms of the node, as well at least one boom connected to this central area by at least one material fold, such as a bellows, for covering a rod fastened to the knot.
  • the individual rods adjoining a node can have different spatial orientation with respect to the node, in particular can be inclined and twisted relative to the nodal plane, the abutment of the seal at the intersection of the arms of the node on the one hand and on the individual rods on the other hand is ensured by a material fold: in the plane of the sealing member, the boom can be pivoted up or down, left or right and twisted about the longitudinal axis of the boom, without affecting the sealing function is impaired.
  • the seal is advantageously made of elastic material, in particular made of silicone rubber or other elastic sealants that can be connected by means of chemical crosslinking.
  • One embodiment is that the seal of a substantially polygonal, substantially flat area, which continues outward in a plurality of arms, the number of which corresponds to the sides of the central surface and near the central region in a longitudinal section in each case one to a Side of the polygonal adjoining material fold, such as a bellows, has execute.
  • the arms may have the shape of a U-profile with the legs of the U oriented so as to point away from the rod when installed. This allows the boom of sealing profiles, which are placed along the rod, encompassed at least in a longitudinal section and connected to this liquid and vapor-tight.
  • the sealing system for sealing a tensile structure which consists of knots according to the invention and rods attached thereto, is characterized in that at least one node, a sealing element is placed, that along the adjoining this node rods sealing profiles are placed, which with the associated boom overlap the sealing element and the profile of the boom for steam sealing are adapted so that it encloses this form-fitting manner.
  • the transition between the boom and the sealing profile may be sealed with a sealant, such as silicone, or with a sealant chemically cross-linkable sealant.
  • the function of the sealing system is to seal the entire roof or the entire façade, so that no water and no steam from outside to inside and vice versa can reach through the roofing. This is made possible by the overlapping of the sealing element with the sealing profiles.
  • the sealing element lies like a protective "restrained hand" under the sealing profiles on the node, the sealing profiles also run over the node or the sealing element, wherein the converging over a node, the individual bars associated sealing profiles are connected to each other vapor-tight. The result is an endlessly connected joint network that forms a drainage layer.
  • the sealing system fulfills the task of compensating tolerances of the surface structure, such as steps between adjacent bars in the region of the node, as well as angular differences, ie, for example, with respect to the nodal plane inclined rods. Also, the sealing system by its elasticity compensates for expansions of the surface structure.
  • the structure according to the invention which is already aligned according to the position of Eindeckieri makes a secondary or intermediate construction between roofing and structure superfluous, the elements of the roofing can be laid directly on the resting on the structure sealing system. That is, an inventive structure with roofing consists only of the constructed of rods and node according to the invention surface structure, are placed on the nodes and rods without intermediate construction seals. These seals can both form a sealing system, but other seals can be used. These elements are then directly the elements of the covering, such as glass plates, placed and fastened accordingly.
  • the elements of the roofing need not be flat as such, but may also be e.g. form a dome, they only have to form a flat bearing surface at the edges, with which they can be placed positively on the seals.
  • a node with six arms 2 is shown, wherein the visible contours are shown in dotted lines by solid lines and the invisible contours.
  • the knot is cut from a sheet whose thickness results from the dimensions of the adjoining rods, so that a straight flat top 4 of the knot and a flat bottom is formed, which are parallel to each other.
  • Each arm 2 has two straight flat side surfaces 3.
  • In at least one arm 2 includes one of the side surfaces 3 with the top or bottom of the node at an angle not equal to 90 °, namely an angle of more or less than 90 °.
  • a cylindrical mandrel 5 is arranged, which is basically welded.
  • Fig. 4 the same node is shown with invisible (dashed) and visible (solid) contours in plan view. To illustrate the tilting of individual side surfaces of the arms of the knot, were in Figure 3 the sections aa and bb corresponding cross sections of two arms 2 of the node shown.
  • Fig. 5 is shown a part of the finished structure, where individual straight bars 6 are connected with box profile at a node, of which only the cylindrical mandrel 5 and individual ends of the arms 2 can be seen here.
  • the individual rods 6 are inserted between two adjacent arms 2 of the node.
  • the longitudinal axes of the rods 6 are shown in phantom.
  • Fig. 6 are the corresponding parts off Fig. 5 shown in the disconnected state.
  • the adjoining the node 1 end of the rod 6 is each cut so that the rod in its upper region locally (such as by means of a nose in the side surface of the rod) on the upper side formed by the arms Knotens rests. Or it is generally arranged so that a continuous Auflagerung the roofing elements is guaranteed.
  • the upper side of the rods 6 has a circular arc-shaped recess 10, which corresponds to the shell contour of the cylindrical mandrel 5 of the node 1.
  • the voltage applied to the node 1 bars 6 are welded to the lateral oblique end edges 11 of its top in each case with the adjacent lateral end edges 11 of the tops of the rods 6.
  • the lateral oblique end edges 12 of the bottom of the rods 6 are welded to the adjacent side surfaces 3 of the arms 2 of the node 1.
  • the end edges 13 of the side faces of the bars are also welded to the side surfaces of the arms of the knot, the short face 13a resting on the knot with the top of the knot and the short face 13b with the short face 13b of the adjacent stick 6.
  • the recesses 10 are welded to the top of the rods with the cylindrical extension.
  • the in the Fig. 1-6 shown six-armed knot is designed so that the six angles between the arms about 67.5 °, 67.5 °, 45 °, 67.5 °, 67.5 °, and 45 °.
  • This results from the parent framework network (corresponding to the angles between the rods of 90 °, 45 °, 45 °, 90 °, 45 ° and 45 °), which can of course also be arranged arbitrarily different; eg 6 times approx. 60 °.
  • the arms 2 of the knot are unequally long in different directions, because an arm must be at least as long that the end edges 13 of the side surfaces abut the arm and can be welded thereto. Therefore, the smaller the angle of the bevel of the rod with respect to its longitudinal direction, the longer the arms have to be.
  • the chamfer on the arm ends results geometrically from the cutting edges of the rods twisted to each other.
  • Fig. 7 is shown a structure in which the angles between the arms 2 of the inventive node 1 as stated above 67.5 ° and 45 °, respectively.
  • This structure has an average rod length of 2.0 or 3.0 m, with at Radius of curvature of the surface of the structure of about 18 m, a frequency of deviation of the arms of the nodes to the normal of the nodal plane of about 5 ° sets.
  • the extreme value for the above geometry is approx. 15 °.
  • sealing element is for a node from the Fig. 1-6 determined, in which the six angles between the arms are about 67.5 °, 67.5 °, 45 °, 67.5 °, 67.5 °, and 45 °.
  • the gasket has a central surface area 7 adapted to the shape of the knot, which continues in six arms 9 which follow the course of the rods 6 connected to the node, so that the gaskets, when installed, correspond to the intersection of the arms of the Cover knot with the rods attached thereto and with the arms 9, the top of the rods. 6
  • the seals can be easily brought into the correct position, they have in the middle of the central region 7 has a bulge 14 which can be placed on the cylindrical mandrel 5 of the node, or can be pierced when above the flashing elements still diverse internals as snow fences, cleaning equipment, electrical wiring, lighting fixtures, lightning protection devices, etc. are to be arranged.
  • the boom 9 have the shape of a U-profile, wherein the opening of the profile facing away from the top of the rods 6, thus the U-profile rests in the mounted state with the central part of the rod 6 and the opening of the U-profile facing upward ,
  • the central area 7 must in any case be so large that it covers the chamfered ends of the rods 6 and ensures a part 14 circulating water inlet and outlet in all directions.
  • the length of the boom 9 is to be chosen so that a sufficient overlap at the joint between the sealing element ( 8 and 9 ) and sealing profile 15 ( Fig. 10 ) is ensured.
  • the seal is basically only applied, if necessary d. H. glued on at large inclinations of the rods.
  • Fig. 10 are in the left part below the cross section of a boom 9 of a sealing element and top left the cross section of a sealing profile 15, which is placed along the bars 6, shown.
  • the sealing profile 15 is already placed on the boom 9, so that boom 9 and sealing profile 15 overlap.
  • the sealing profile 15 in this example has a width of about 91 mm (assuming a molded tube width of 100 mm) and a height of about 75mm. The width is chosen so that the lower ends of the sealing profile 15 engage around the top of the rod.
  • the boom has a height of about 25mm and a width of about 79mm.
  • the Eindeckieri be placed on the lower sealing lips 16, wherein the upper sealing lip 17 then closes the rebate between the covering elements up and at the same time represents the base for the outward sealing joint.
  • the sealing profile 15 is chamfered in the longitudinal direction according to the geometry of the framework, the individual convergent sealing profiles 15 are connected to one another in a vapor-tight and watertight manner, so that an encircling and tight bearing of the covering elements is ensured.
  • the invention can be applied not only to surface structures formed of a plane of bars (single-shell structure), but also to flat structures having a plurality of levels of bars, such as the top-girth plane of a space-supporting structure.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Diaphragms And Bellows (AREA)

Claims (21)

  1. Noeud (1) permettant de relier plusieurs barres d'une structure porteuse plane, sachant que le noeud présente la forme d'une étoile avec plusieurs bras (2) disposés dans un plan, qui forment aussi bien une face supérieure plane commune (4) qu'une face inférieure plane commune du noeud (1), la face supérieure et inférieure étant parallèles l'une à l'autre, et qu'un bras présente respectivement deux surfaces latérales (3) essentiellement planes, caractérisé en ce qu'une des deux surfaces latérales d'un premier bras forme avec le plan du noeud un autre angle que l'autre surface latérale du premier bras et/ou qu'une des deux surfaces latérales d'un autre bras.
  2. Noeud selon la revendication 1, caractérisé en ce qu'au moins une des surfaces latérales d'un bras forme avec le plan du noeud un angle divergeant de 90°.
  3. Noeud selon la revendication 2, caractérisé en ce que l'écart est de 90° à 15°, en particulier compris entre 2° et 10°.
  4. Noeud selon la revendication 3, caractérisé en ce que le noeud (1) est façonné dans une tôle épaisse si bien que la face supérieure et inférieure de la tôle épaisse forment la face supérieure et inférieure du noeud.
  5. Noeud selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le noeud (1) présente au point d'intersection des bras (2) sur la face supérieure, une broche (5), en particulier cylindrique, servant à fixer des barres.
  6. Structure porteuse plane, qui présente des barres et des noeuds, caractérisée en ce qu'elle présente au moins un noeud selon l'une quelconque des revendications 1 à 5.
  7. Structure porteuse plane selon la revendication 6, caractérisée en ce qu'une barre (6) est respectivement insérée entre deux bras (2) adjacents du noeud (1).
  8. Structure porteuse plane selon la revendication 6 ou 7, caractérisée en ce que la barre (6) présente un profil fermé, en particulier un profil en caisson, et/ou un profil avec des parties de profil agencées en angle droit les unes par rapport aux autres.
  9. Structure porteuse plane selon l'une quelconque des revendications 6 à 8, caractérisée en ce que l'extrémité de la barre (6) s'appuyant contre le noeud (1) est coupée de telle sorte que la barre s'appuie dans sa zone supérieure contre la face supérieure (4) du noeud formée par les bras (2).
  10. Structure porteuse plane selon l'une quelconque des revendications 6 à 9, caractérisée en ce que l'extrémité de la barre (6) s'appuyant contre le noeud (1) est coupée de telle sorte que la face inférieure de la barre s'appuie contre les parois latérales (3) des bras (2) entre la face supérieure (4) et la face inférieure du noeud.
  11. Structure porteuse plane selon l'une quelconque des revendications 6 à 10, caractérisée en ce que la face supérieure de la barre (6) présente un évidement (10), qui est adapté à l'orientation de la barre (6) au niveau du noeud (1), en particulier au niveau de la broche (5) du noeud.
  12. Structure porteuse plane selon l'une quelconque des revendications 6 à 11, caractérisée en ce que les barres (6) s'appuyant contre le noeud (1) sont soudées au niveau de leur face supérieure respectivement avec les faces supérieures adjacentes des barres (6).
  13. Structure porteuse plane selon l'une quelconque des revendications 6 à 12, caractérisée en ce que les barres (6) s'appuyant contre le noeud (1) sont respectivement soudées au niveau de leur face inférieure avec les surfaces latérales adjacentes (3) du noeud.
  14. Structure porteuse plane selon l'une quelconque des revendications 6 à 13, caractérisée en ce qu'elle présente un élément d'étanchéité servant à étancher un noeud (1) et les barres (6) qui y sont fixées au niveau du noeud, l'élément d'étanchéité présentant une zone centrale (7), qui peut recouvrir au moins la zone du point d'intersection des barres (6) ainsi qu'au moins un bras en porte-à-faux (9) relié à cette zone centrale par au moins un pli de matière, comme un soufflet (8), pour recouvrir une barre (6) fixée au noeud (1).
  15. Structure porteuse plane selon la revendication 14, caractérisée en ce que l'élément d'étanchéité est fabriqué en un matériau élastique, par exemple en caoutchouc de silicone.
  16. Structure porteuse plane selon la revendication 14 ou 15, caractérisée en ce que l'élément d'étanchéité est constitué d'une zone (7) essentiellement plane, centrale, polygonale, qui se poursuit vers l'extérieur en plusieurs bras en porte-à-faux (9), dont le nombre correspond au nombre de côtés de la surface centrale et qui présentent à proximité de la zone centrale dans une section longitudinale, respectivement un pli de matière, comme un soufflet (8), raccordé à un côté du polygone.
  17. Structure porteuse plane selon l'une quelconque des revendications 14 à 16, caractérisée en ce que les bras en porte-à- faux (9) ont la forme d'un profil en U, les branches du U étant orientées de telle sorte qu'à l'état monté, elles s'éloignent de la barre.
  18. Structure porteuse plane selon l'une quelconque des revendications 14 à 17, caractérisée en ce que des profils d'étanchéité sont posés le long des barres (6) se raccordant à ces noeuds, lesquels profils se chevauchent avec le bras en porte-à-faux correspondant de l'élément d'étanchéité et sont adaptés à la forme du bras en porte-à-faux pour l'imperméabilité à la vapeur de telle sorte qu'il l'entoure par correspondance de forme.
  19. Structure porteuse plane selon la revendication 18, caractérisée en ce que la transition entre le bras en porte-à-faux et le profil d'étanchéité est étanché en outre avec un produit d'étanchéité, par exemple du silicone formant une liaison sans fin.
  20. Structure porteuse plane selon l'une quelconque des revendications 6 à 19, caractérisée en ce que des éléments d'un recouvrement sont posés sur le système d'étanchéité.
  21. Structure porteuse plane avec recouvrement selon la revendication 20, sachant que la structure porteuse plane est constituée de barres reliées les unes aux autres et que la surface formée par la structure porteuse plane change plusieurs fois de courbure et le recouvrement est constitué d'éléments dont les bords forment une surface d'appui plane, caractérisée en ce que les éléments du recouvrement s'appuient contre les barres de la structure porteuse plane par le biais des joints et les barres sont orientées par rapport aux éléments du recouvrement placés au-dessus, de sorte que les barres forment une surface d'appui aussi plane que possible pour les éléments.
EP05103369A 2004-05-03 2005-04-26 Noeud de connection des barres d'une structure spaciale réticulée Not-in-force EP1593789B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0076204A AT500438B1 (de) 2004-05-03 2004-05-03 Knoten zum verbinden von stäben eines flächentragwerks
AT7622004 2004-05-03

Publications (3)

Publication Number Publication Date
EP1593789A2 EP1593789A2 (fr) 2005-11-09
EP1593789A3 EP1593789A3 (fr) 2006-12-13
EP1593789B1 true EP1593789B1 (fr) 2011-07-13

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EP05103369A Not-in-force EP1593789B1 (fr) 2004-05-03 2005-04-26 Noeud de connection des barres d'une structure spaciale réticulée

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EP (1) EP1593789B1 (fr)
AT (2) AT500438B1 (fr)
DE (1) DE102004025957A1 (fr)

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DE102006034978A1 (de) * 2006-07-28 2008-02-21 Bauhaus Universität Weimar Stabtragwerk und Verfahren zu seiner Herstellung
DE202009013261U1 (de) 2009-10-02 2011-02-10 Raico Bautechnik Gmbh Dichtungsanordnung
CN106593072B (zh) * 2017-01-10 2022-05-17 赛尔特建筑科技(广东)有限公司 节点部件防水结构
DE102021000615A1 (de) 2020-09-09 2022-03-10 Thomas Busse Verbinder zum Verbinden zumindest zweier Elemente sowie Anordnung mit zumindest einem solchen Verbinder
WO2024051941A1 (fr) * 2022-09-08 2024-03-14 Jansen Ag Enveloppe de bâtiment, en particulier façade de bâtiment ou toit de bâtiment, ayant de multiples éléments de surface

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DE592158C (de) * 1930-10-21 1934-03-12 Franz Kleinhenz Dipl Ing Knotenstueck fuer Stabnetzdaecher aus nur von Knotenpunkt zu Knotenpunkt reichenden Einzelstaeben
US3058550A (en) * 1957-08-05 1962-10-16 Kaiser Aluminium Chem Corp Structural unit
DE2506008C3 (de) * 1975-02-13 1979-05-10 Alco Bauzubehoer Gmbh & Co, 3380 Goslar Knotenpunktverbindung für flächige Fachwerkkonstruktionen
US4379649A (en) * 1981-10-01 1983-04-12 Phillips Martha E Connector system for geodesic dome struts
IT1221109B (it) * 1981-10-21 1990-06-21 Alfonso Vocca Dispositivo di giunzione particolarmente per griglie di copertura e per sistemi cubici antisismici
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Also Published As

Publication number Publication date
EP1593789A2 (fr) 2005-11-09
DE102004025957A1 (de) 2006-01-05
AT500438B1 (de) 2009-01-15
AT500438A2 (de) 2005-12-15
ATE516412T1 (de) 2011-07-15
EP1593789A3 (fr) 2006-12-13

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