EP2318607B1 - Structure de surface - Google Patents

Structure de surface Download PDF

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Publication number
EP2318607B1
EP2318607B1 EP08784931.1A EP08784931A EP2318607B1 EP 2318607 B1 EP2318607 B1 EP 2318607B1 EP 08784931 A EP08784931 A EP 08784931A EP 2318607 B1 EP2318607 B1 EP 2318607B1
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EP
European Patent Office
Prior art keywords
node
arms
bars
bearing structure
structure according
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EP08784931.1A
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German (de)
English (en)
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EP2318607A1 (fr
Inventor
Günther Tröster
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Guenther Troster Ek
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Guenther Troster Ek
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88—Curtain walls
    • 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
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2406—Connection 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
    • E04B2001/3241—Frame connection details
    • E04B2001/3247—Nodes

Definitions

  • the invention relates to a single-shell tensile structure with the features of claim 1 for surface elements for forming a roof or facade surface of a building.
  • the tensile structure comprises rods and at least one node.
  • the node comprises a central body on which at least three arms are formed. The free end faces of the arms are designed for attachment, in particular fastening, of the rods via their respective end face.
  • Such nodes are also referred to as star nodes.
  • the tensile structure can also be referred to as a surface support structure, the end face of the rods as a longitudinal end.
  • the surface elements may be, for example, covering elements or roof elements for roof structures or facade elements or wall elements for wall structures. This can be considered glass panes as well as metal elements or surface elements made of other materials, such as plastic.
  • Single-shell tensile structures are used, for example, in construction in various designs. Frequently, in this way, lightweight structures for roofs or facades created, for example, of halls.
  • Single-shell tensile structures have a relatively small extent perpendicular to the structural plane in comparison to space frameworks.
  • the desired shape is formed grid-like in the supporting structure only in the plane of the structure (in contrast to the three-dimensional lattice structure of a space framework), i. in two dimensions, wherein the support plane itself may also be curved, may have mutually inclined portions, or may otherwise be formed in three-dimensional space.
  • the structure of the grid is made by bars, which are connected to each other via nodes.
  • the surface elements are placed at their edges on the bars and nodes via seals and fastened.
  • the bars and nodes are loaded in a tensile structure with strong bending moments. Due to the higher bending load, the connection between bars and nodes in a single-shell tensile structure usually can not be approximately punctiform as in space frameworks, but must be carried out flat. Here, at least a substantial part of the contact surface between the rod and node should be arranged perpendicular to the plane of the surface structure in order to transmit the bending moments occurring between rod and node can. The design of the bars and nodes themselves must be adapted to the necessary recording and transmission of bending moments.
  • the present invention has for its object to provide a new single-shell tensile structure of the aforementioned type, in which the above-described disadvantages of the prior art are avoided.
  • the nodes required for the tensile structure should be inexpensive to produce with little manpower, the nodes should have less welds compared to the prior art.
  • a corresponding node and a manufacturing method for this node should also be specified.
  • the invention provides that the at least one node (star node) of the tensile structure is made in one piece, i. from scratch, is made. The knot is thus not welded together from numerous individual parts, but made from a workpiece. This allows a cost-effective production without welding of individual parts.
  • the free end faces of the arms are curved or curved, in particular concave or convex or spherical, formed.
  • the respective associated end faces of the bars is then hereby positively correspondingly also curved or arched, in particular concave or convex or spherical, formed. This allows small angular errors between the parts of the surface structure be compensated.
  • the radii of curvature of the end faces should in this case be constant in each case and correspond to one another on corresponding end faces.
  • the knot is made by machining from the solid.
  • the knot is milled from the solid, for example on an automatic working Milling machine.
  • Milling from the solid has the advantages over flame cutting from the solid that the surface does not harden, that all angles are possible, and that everything can be done on one machine, including making an engraving on the node to identify the component.
  • the knot may for example consist of steel, stainless steel, aluminum or other metals.
  • the workpiece from which the knot is made in one piece may also be a cast steel or forged part shaped specifically with respect to the later node shape.
  • the arms of the node are inclined and / or rotated relative to one another in such a way that the node defines the orientation of the rods attached to the node and thus the geometry of the surface structure in the region of the node.
  • the arms of the star node the number of which may be arbitrary and may also differ at different star nodes of a surface structure, are arranged around a center and can have all horizontal, vertical and / or rotational angles to one another.
  • the free end faces of the arms correspond with the respective associated end faces of the bars with respect to their shape, for accurately fitting attachment of the bars to the node.
  • the free end faces of the arms may have one or more cutouts in the front side center and / or on or around the front side edge, which correspond to one or more corresponding elevations of the associated end face of the respective bar.
  • the arms of the node are formed with a rectangular cross-section.
  • the arms should have an upper side, a lower side opposite the upper side and two sides facing the other arms between the upper side and the lower side, the upper side and / or lower side of the respective arm being designed to arrange a planar element.
  • the tops of the arms may be formed flat.
  • the respective upper side is to be aligned at least in the region towards the free arm side in accordance with the inclination of the surface element attached or attached thereto and thus in accordance with the inclination or curvature of the roof or facade surface formed or to be formed from the surface elements in the region of the respective node.
  • the undersides of the arms may be formed flat.
  • the respective underside should be oriented at least in the region towards the free arm side in accordance with the inclination of the surface element attached or to be attached thereto and thus in accordance with the inclination or curvature of the roof or facade surface formed or to be formed from the surface elements in the area of the respective knot.
  • the underside of the arms is designed according to the intended inclination or curvature of the surface elements to be attached, ie that of the surface support structure To be supported roof or facade surface may also be attached to the underside of the support structure.
  • both a sole attachment to the bottom as well as a formation of two surfaces, at the top and at the bottom of the support structure possible.
  • the variant can also be provided to form the surface only at the top of the support structure.
  • the node and / or the bars of the surface structure have recesses and / or holes for weight saving.
  • the rods of the surface structure are preferably straight, in particular as straight connecting rods between two nodes.
  • the rods may be, for example, hollow profiles or other profiles or weldments made of individual parts.
  • it can be provided in the tensile structure that two nodes (or even several nodes) are arranged one above the other, ie.
  • Each rod is then attached to at least one end face on at least two arms, namely one arm each of the nodes arranged one above the other.
  • the nodes arranged one above the other can hereby be connected to one another, for example welded or fastened to one another via fastening means.
  • the bars may for example consist of or comprise aluminum or steel, in particular stainless steel or hot-dip galvanized steel or stainless steel. They may also consist of fiber composite material, for example made of carbon fiber reinforced plastics (also: CFRP) and / or glass fiber reinforced plastics (also: GRP), or include these.
  • CFRP carbon fiber reinforced plastics
  • GRP glass fiber reinforced plastics
  • the knot and the bars of the tensile structure can be welded together. However, it may alternatively or additionally be provided that they are connected to one another via fastening devices.
  • the free end faces of the arms and the respective end faces of the rods associated therewith can have mutually corresponding fastening devices for attaching the rods to the node. Suitable for this example, tapped holes and / or through holes and / or slots. Corresponding bolts or screws can then be inserted through the through holes or slots and screwed into the threaded holes.
  • the individual parts of the surface structure in particular the individual bars and nodes, are usually intended for exactly one position in the structure in complex constructed and shaped structures. It therefore makes sense to reliably provide the individual parts, and thus also the nodes, with a clear identification in order to enable or simplify a correct component assignment on site and thus to ensure a correct installation of the parts at the desired position on site.
  • a development of the method therefore provides an engraving for identification of the node already during milling from the solid mitzufräsen. It thus eliminates an additional step and the associated additional sources of error.
  • FIG. 1 to FIG. 3 show in different views ( FIG. 1 from diagonally above, FIG. 2 from diagonally below and FIG. 3 from below) an embodiment of a star node 11.
  • the star node 11 is formed and intended for a single-shell tensile structure, as exemplified, albeit with a slightly different node 11, in FIG. 4 is shown with the reference numeral 10.
  • These surface structures 10 include nodes 11 and rods 12 (see FIG. 4 ), they are intended for supporting surface elements for forming a roof or facade surface of a building (not shown).
  • the in 1 to FIG. 3 illustrated node 11 comprises a central body 13, on which six arms 14 are formed, which are mutually rotated and inclined at different angles, ie, the arms 14 have different angles of rotation and inclinations.
  • the free end faces 15 of these arms are designed and fixed for attachment or attachment of the rods 12 of the surface structure.
  • an end face 16 of the respective rod 12 is applied to the corresponding free end face 15 of the knot 11 and fastened there.
  • the free end faces 15 of the arms 14 form in the example shown here essentially planar contact surfaces, which are aligned perpendicular to the orientation of the respective arm 14.
  • two threaded bores 25 for fixing the rods 12 by means of threaded bolts or threaded screws are provided in each case.
  • the illustrated node 11 is not composed of individual parts, but consists of one piece, without welds or similar connections.
  • the knot 11 is milled from the solid, it was made by means of an automatic milling machine from a workpiece.
  • the arms 14 of the in 1 to FIG. 3 Knot 11 shown have a rectangular cross-section.
  • the viewer is the respective O-side 19 of the arms 14 facing, in FIG. 2 and FIG. 3 the bottom 20 of the arms 14.
  • Between top 19 and bottom 20 are intermediate sides 21 of the respective arms to recognize.
  • the undersides 20 of the arms 14, together with the underside of the central body 13, form a lower side of the knot 11.
  • tops 19 and bottoms 20 of the arms 14 are planar, i. it can be attached to the top 19 and on the bottom 20 surface elements.
  • the inclination of the surfaces on top 19 and bottom 20 corresponds at least in the area to the free end face 15 of the arm 14 towards the intended inclination of the surface element to be attached thereto and thus the intended inclination or curvature of the surface elements to be formed roof or facade surface in the region of the respective node.
  • FIG. 2 and FIG. 3 is a recess, concretely a receiving bore 26, centrally on the underside of the node 11 can be seen.
  • this receiving bore 26 additional parts, such as seals or brackets for ropes or other items can be inserted.
  • the receiving bore 26 can also be used to support the node 11.
  • FIG. 2 schematically a larger recess 22 in the node 11 for weight reduction, specifically a cutout 22, indicated by dashed lines.
  • This recess 22 may complement the optionally deeper receiving bore 26 on the underside of the node 11th be provided, but it can also be provided alternatively or additively at the top, or be formed continuously.
  • this recess 22 may be provided for weight reduction in the region of the central body 13 and / or in the arms 14.
  • FIG. 4 shows a section of an embodiment of a surface structure 10 in a plan view.
  • the star node 11 the largely out of the node 1 to FIG. 3 corresponds to
  • the star node 11 With its central body 12 and six arms 14.
  • a rod 12 is fixed in each case via its end face 16, by means of screwing.
  • the rods 12 are straight, as connecting rods between two nodes 11.
  • the rods 12 are rectangular tubes.
  • the rods 12 have openings 27 through which screws are inserted, with which the rods 12 are screwed to the node 11, for example by the screws over top plates 28 of the rods 12 (in FIG. 4 not shown, see FIG.
  • FIG. 4 The openings 27 for inserting and tightening the screws are located in FIG. 4 on the side of the bars 12, on which the surface elements are arranged on the surface structure 10. After mounting the surface elements, the opening 27 are thus covered by the surface elements and are no longer visible, so that in total of the screw and the associated openings on the finished structure is nothing to see.
  • fastening bolts 29 and retaining plates 30 for the surface elements to be applied are schematically (and only partially indicated).
  • a groove 23 in the node 11 and in two bars 12, which is intended for attachment of additional parts, specifically for receiving and fixing of seals or support parts for the surface elements are schematically (and only partially indicated).
  • the groove 23 may also be provided a protruding rib on which additional parts can be plugged (see 9a ).
  • FIG 5a and FIG 5b show an example of the attachment of a rod 12 to the node 11 of a tensile structure.
  • FIG. 5a the connection region between rod 12 and node 11 is shown in side view
  • FIG. 5b the associated end face 16 of the rod 12.
  • the rod 12 is a rectangular cross-section hollow profile, at the end face 16, a top plate 28 is welded.
  • the welds 34 are in FIG. 5a shown.
  • an elevation 18 is formed, which fits positively into a cutout 17 in the free end face 15 of the associated arm 14 of the knot 11, for accurately fitting the rod 12 at the node 11.
  • This shaping of the contact areas has the advantage that significantly greater forces can be transmitted in comparison to a continuous flat connection surface.
  • a screw connection is provided, ie a hexagon socket screw 37 is screwed through a hole 38 in the top plate 28 in a threaded bore 25 in the free end face 15 of the arm 14.
  • a screw connection is provided, ie a hexagon socket screw 37 is screwed through a hole 38 in the top plate 28 in a threaded bore 25 in the free end face 15 of the arm 14.
  • several screw connections per rod-node connection can be provided, which are arranged side by side and / or one above the other.
  • FIG. 6 shows another example of the connection between rod 12 and node 11 of a tensile structure.
  • the top plate 28 is slightly set back in the hollow profile of the rod 12 is welded.
  • the rod 12 is in turn frictionally bolted via a plugged through a hole in the top plate 28 screw 37 with the node 11 by the screw 37 into a threaded bore 25 in the free end face 15 of the associated arm 14 of the Knot 11 is screwed.
  • screw connections per rod-node connection can also be provided here, which are arranged side by side and / or one above the other.
  • FIG. 7 shows a schematic side view of an embodiment of a star node 11 according to the invention, in which the screw connection between node 11 and rod 12 is made starting from the node 11.
  • recesses 39 are milled into the knot, via which screws 37 can be screwed through corresponding bores 40 in the arms 14 of the knot 11 into threads in the rods 12 (not shown).
  • FIG. 8 shows for the connection between rod 12 and node 11 of a tensile structure according to the invention, in which the mutually associated end faces 15, 16 of rod 12 and arm 14 of the node 11 are formed crowned, wherein the free end face 15 of the arm 14 is convex and the end face 16 of the rod 12 hereby concavely concave with respect to the shape, with at least substantially the same radius of curvature as the convex curvature.
  • a reverse curvature of the two end faces 15, 16 is also possible.
  • connection is, in particular, that small angular errors can be compensated between rod 12 and node 11 due to the curved connection during assembly.
  • the bore 40, through which the fastening screw 37 is passed is made larger than the relevant screw diameter and / or as a slot. This is in FIG. 8 by way of example for an outgoing from the node 11 screw for the bore 40 shown in the node.
  • the hole 38 should be formed in the top plate 28.
  • the washers 41 used in these cases must be adapted accordingly in terms of their dimensions and / or shape.
  • 9a-d show in each case in cross section through a rod 12 or an arm 14 (the arms 14 of the knot 11 and the rods 12 may be formed analogously with respect to their cross-section) variants for the already mentioned attachment of seals 32 and support members 33, for example support rubbers 33, for Surface elements on a surface structure.
  • seals 32 and support members 33 for example support rubbers 33, for Surface elements on a surface structure.
  • support members 33 for example support rubbers 33, for Surface elements on a surface structure.
  • 9a are two parallel ribs 31 (also: webs) formed on the rod 12, on which the support member 33 is attached.
  • 9b are comparable ribs 31 formed on the edge of the outside of the rod 12, also here a support member 33 is attached to the ribs 31.
  • 9c two parallel grooves 23 are provided in the rod 12, are inserted into the seals 32.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Load-Bearing And Curtain Walls (AREA)

Claims (12)

  1. Structure porteuse plane simple épaisseur (10) pour des éléments de surface destinés à la réalisation d'une surface de toit ou de façade d'un bâtiment,
    comprenant des barres (12) et au moins un noeud (11), en particulier un noeud central,
    dans lequel le noeud (11) comprend un corps central (13) sur lequel au moins trois bras (14) sont formés,
    dans lequel les côtés frontaux libres (15) des bras (14) sont adaptés pour la fixation des barres sur leurs côtés frontaux (16) respectifs, dans laquelle le noeud (11) est fabriqué d'un seul tenant, caractérisé en ce que
    les côtés frontaux libres (15) des bras (14) sont réalisés courbés ou bombés, en particulier concaves ou convexes ou de forme sphérique, et les côtés frontaux associés respectifs (16) des barres (12) sont ainsi également courbés ou bombés à une forme correspondante.
  2. Structure porteuse plane selon la revendication 1,
    caractérisée en ce que le noeud (11) est réalisé par usinage avec enlèvement de copeaux dans la masse.
  3. Structure porteuse plane selon l'une quelconque des revendications précédentes,
    caractérisée en ce que le noeud (11) est usiné par fraisage.
  4. Structure porteuse plane selon l'une quelconque des revendications précédentes,
    caractérisée en ce que
    les bras (14) du noeud (11) sont inclinés et/ou tournés l'un par rapport à l'autre, et en ce que le noeud (11) définit l'orientation des barres (12) amenées au niveau du noeud (11), et ainsi la géométrie de la structure porteuse plane (10) dans la zone du noeud (11).
  5. Structure porteuse plane selon l'une quelconque des revendications précédentes,
    caractérisée en ce que
    les côtés frontaux libres (15) des bras (14) correspondent aux côtés frontaux associés respectifs (16) des barres (12) en ce qui concerne leur mise en forme, pour un montage précis des barres (12) au niveau du noeud (11).
  6. Structure porteuse plane selon l'une quelconque des revendications précédentes,
    caractérisée en ce que
    les côtés frontaux libres (15) des bras (14) présentent un ou plusieurs fraisages (17) dans le centre des côtés frontaux et/ou sur ou à proximité du bord des côtés frontaux, qui correspondent à une ou plusieurs saillies (18) du côté frontal associé (16) de la barre respective (15).
  7. Structure porteuse plane selon l'une quelconque des revendications précédentes,
    caractérisée en ce que
    les bras (14) sont formés avec une section transversale rectangulaire, et présentent un côté supérieur (19), un côté inférieur (20) opposé au côté supérieur (19) et, entre les côtés supérieur (19) et inférieur (20), deux côtés (21) faisant face ou opposés aux autres bras, dans laquelle le côté supérieur (19) et/ou le côté inférieur (20) du bras respectif (14) sont formés pour l'agencement d'un élément plan.
  8. Structure porteuse plane selon l'une quelconque des revendications précédentes,
    caractérisée en ce que
    les côtés supérieurs (19) des bras (14) sont de conception plane, de sorte que le côté supérieur respectif (19), au moins dans la zone du côté de bras libre (15), est orienté correspondant à l'inclinaison de l'élément plan monté ou à monter sur celui-ci, et correspondant à l'inclinaison ou à la courbure de la surface de toit ou de façade formée ou devant être formée des éléments plans, dans la zone du noeud respectif (11).
  9. Structure porteuse plane selon l'une quelconque des revendications précédentes,
    caractérisée en ce que
    les côtés inférieurs (20) des bras (14) sont de conception plane, de sorte que le côté inférieur respectif (19), au moins dans la zone du côté de bras libre (15), est orienté correspondant à l'inclinaison de l'élément plan monté ou à monter sur celui-ci, et correspondant à l'inclinaison ou à la courbure de la surface de toit ou de façade formée ou devant être formée des éléments plans, dans la zone du noeud respectif (11).
  10. Structure porteuse plane selon l'une quelconque des revendications,
    caractérisée en ce que
    le noeud (11) et/ou les tiges (12) présentent des évidements (22) et/ou des trous pour réduire le poids, et/ou des évidements et/ou des trous et/ou des rainures (23) et/ou des arêtes et/ou des nervures (31) pour le montage et/ou la fixation d'accessoires, notamment des joints d'étanchéité (32) et/ou des éléments de support (33) et/ou des courroies de support, ou pour la fixation de câbles tendeurs.
  11. Structure porteuse plane selon l'une quelconque des revendications précédentes, caractérisé en ce que
    les barres (12) sont fabriquées rectilignes, en particulier sous la forme de barres de liaison rectilignes entre deux noeuds (11).
  12. Structure porteuse plane selon l'une quelconque des revendications précédentes, caractérisée en ce que
    les côtés frontaux libres (15) des bras (14) et les côtés frontaux respectifs (16) des barres (12) associés à ceux-ci présentent des dispositifs de fixation (37, 25) qui correspondent les uns aux autres pour monter les barres (12) au niveau du noeud (11), en particulier des alésages filetés (25) et/ou des trous traversants (38, 49) et/ou des ouvertures oblongues.
EP08784931.1A 2008-07-21 2008-07-21 Structure de surface Active EP2318607B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/005966 WO2010009741A1 (fr) 2008-07-21 2008-07-21 Structure porteuse plane simple, nœud pour une structure porteuse plane simple et procédé de fabrication d'un nœud de ce type

Publications (2)

Publication Number Publication Date
EP2318607A1 EP2318607A1 (fr) 2011-05-11
EP2318607B1 true EP2318607B1 (fr) 2016-09-07

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WO (1) WO2010009741A1 (fr)

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CN106760555A (zh) * 2016-12-02 2017-05-31 中国建筑第八工程局有限公司 一种米字节点及辐射梁的安装施工方法

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CN213087032U (zh) 2017-06-26 2021-04-30 昆特图斯特公司 支撑结构，特别是空间桁架结构或平面支撑结构
DE202017103789U1 (de) 2017-06-26 2018-06-27 Günther Tröster e.K. Tragkonstruktion, insbesondere Raumfachwerk oder Flächentragwerk
EP3527736B1 (fr) * 2018-02-19 2020-11-25 Lanik I, S.a. Système de construction pour cadres spatiaux monocouches
DE102019129283A1 (de) * 2019-10-30 2021-05-06 Lithium Designers GmbH Verbindungselement für eine pfosten-riegel- oder stabkonstruktion sowie verfahren zur herstellung eines solchen verbindungselements

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DE29911522U1 (de) * 1999-07-06 1999-09-09 Rüter, Ewald, 44229 Dortmund Vorrichtung zur Verbindung von Knotenpunkten mit Anschlußstreben
DE202006018652U1 (de) * 2006-12-09 2007-02-15 Seele Gmbh & Co. Kg Dach- oder Fassadenkonstruktion
DE202006019145U1 (de) * 2006-12-18 2007-04-05 Dl Fischer Gmbh Netzwerk als Tragkonstruktion einer Verglasung

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DE202006010357U1 (de) 2006-07-04 2006-10-19 Seele Gmbh & Co. Kg Fassaden- oder Dachkonstruktion

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Publication number Priority date Publication date Assignee Title
DE592158C (de) * 1930-10-21 1934-03-12 Franz Kleinhenz Dipl Ing Knotenstueck fuer Stabnetzdaecher aus nur von Knotenpunkt zu Knotenpunkt reichenden Einzelstaeben
DE29911522U1 (de) * 1999-07-06 1999-09-09 Rüter, Ewald, 44229 Dortmund Vorrichtung zur Verbindung von Knotenpunkten mit Anschlußstreben
DE202006018652U1 (de) * 2006-12-09 2007-02-15 Seele Gmbh & Co. Kg Dach- oder Fassadenkonstruktion
DE202006019145U1 (de) * 2006-12-18 2007-04-05 Dl Fischer Gmbh Netzwerk als Tragkonstruktion einer Verglasung

Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN106760555A (zh) * 2016-12-02 2017-05-31 中国建筑第八工程局有限公司 一种米字节点及辐射梁的安装施工方法
CN106760555B (zh) * 2016-12-02 2019-07-30 中国建筑第八工程局有限公司 一种米字节点及辐射梁的安装施工方法

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