EP0809739A1 - Node-like joining device for bars - Google Patents

Node-like joining device for bars

Info

Publication number
EP0809739A1
EP0809739A1 EP96902230A EP96902230A EP0809739A1 EP 0809739 A1 EP0809739 A1 EP 0809739A1 EP 96902230 A EP96902230 A EP 96902230A EP 96902230 A EP96902230 A EP 96902230A EP 0809739 A1 EP0809739 A1 EP 0809739A1
Authority
EP
European Patent Office
Prior art keywords
glazing
rod
rods
cover
node
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96902230A
Other languages
German (de)
French (fr)
Other versions
EP0809739B1 (en
Inventor
Klaus Fischer
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.)
Helmut Fischer GmbH and Co
Original Assignee
Helmut Fischer GmbH and Co
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 Helmut Fischer GmbH and Co filed Critical Helmut Fischer GmbH and Co
Publication of EP0809739A1 publication Critical patent/EP0809739A1/en
Application granted granted Critical
Publication of EP0809739B1 publication Critical patent/EP0809739B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/08—Vaulted roofs
    • E04B7/10—Shell structures, e.g. of hyperbolic-parabolic shape; Grid-like formations acting as shell structures; Folded structures
    • E04B7/105—Grid-like structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
    • E04D3/06—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor
    • E04D3/08—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor with metal glazing bars
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
    • E04D3/06—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor
    • E04D3/08—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor with metal glazing bars
    • E04D2003/0868—Mutual connections and details of glazing bars
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S52/00—Static structures, e.g. buildings
    • Y10S52/10—Polyhedron
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/34—Branched
    • Y10T403/347—Polyhedral
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/44—Three or more members connected at single locus
    • Y10T403/443—All encompassed

Definitions

  • the invention relates to a rod knot as a construction element of a supporting structure.
  • the supporting structure is used to support a glass wall or a glass roof.
  • the glass wall or glass roof is composed of a large number of individual glass panes that are attached to the supporting structure at a mutual distance. Such glass walls or glass roofs are used for large-area glazing of components.
  • the object of the invention is to provide a possibility for problem-free glazing of large support structures that are curved in any desired manner in space.
  • the rod knot according to the invention is characterized in that the rods with their end regions press against one another in a force-fitting manner over at least one end face region - Lying and are held screwed together in their end areas and thus in the area of the rod knot between two plate washers.
  • the compressive forces are transmitted through surface contact between the butted bars.
  • tensile forces are transmitted via the bolt plates that are bolted together and cover the joint area on both sides. Bending forces can also be transferred well.
  • the tensile and compressive forces that arise when a bending moment is broken up in the above-mentioned manner in the rod knot either - when tensile forces occur - through one or the other plate washer or - when occurrences of
  • Compressive forces - are transmitted through the end face areas of the abutting plurality of rods.
  • the truss structure can also be designed so that the bar nodes enclose triangular surfaces. Then triangular glass panes can be used in the glazing in their base area. There is always a rod of the supporting structure under each free edge of the glass pane. This allows any curved support structures to be designed and glazed. According to the respective requirements, the angles between adjacent bars are preferably greater than zero degrees and less than 180 degrees in the range. With such a construction, the transmitted loads can still be easily transferred to the other connected bars.
  • the end regions of the bars can meet in a node at any angle.
  • the nodes of a supporting structure will therefore often not be structurally identical to one another.
  • the manufacturing requirements for the design of the components present at a node are therefore extremely high. This effort can only be managed practically with computer-aided design work.
  • These grid lines or system lines then meet at a point of each node. The node is then constructed "downwards" from this theoretical node.
  • the plate washers may be sunk into the rod ends to such an extent that there is always a predetermined distance between them. Since the plate washers also have a constant thickness and configuration in each node, comparable calculation requirements can therefore be used for all nodes.
  • the glazing for such a supporting structure can consist of a single pane or of a single or insulating glass pane comprising several panes.
  • the glass panes can also be replaced by non-transparent plates.
  • Glazing has proven to be a structurally simple and technically fully satisfactory solution, in which a cover plate additionally acting from the outside is pressed onto the upper link plate. The edges of the glass pane are thus pressed in between two panes in the area of the nodes.
  • One of the disks is the cover disk which is present when the knot is constructed.
  • the other pane is also present on the outside of the glazing. This additional disk can be fastened in a structurally simple manner to the outer link disk by means of a screw connection.
  • FIG. 1 is a plan view of a rod knot according to the invention
  • FIG. 2 shows a partially sectioned side view of the rod knot according to FIGS. 1 and
  • Fig. 3 is a partially sectioned side view of a rod node provided with glazing.
  • rod node 10 shown in FIG. 1.
  • the bars are part of a supporting structure.
  • the nodes can then be present within the supporting structure in such a way that the bars connecting the nodes frame triangular surfaces. These surfaces can also be square, and thus, for example, trapezoidal surfaces.
  • Each of the rods 12 to 18 consists of a rectangular profile of 40 mm (millimeters) in width 13 and 60 mm in height 15 in the present example.
  • the two side surfaces 24, 26 taper towards one another in the respective end region 28 of the rod in question.
  • Each rod 12 to 22 thus has two tapered, oblique end face regions 30, 32.
  • Adjacent rods, for example rods 18 and 16, lie flat against one another with their adjacent end face regions 30, 32. This applies to all members and all end face areas of the various members in a member node. In this way, compressive forces can be created through contact via the End face regions 30, 32 are transferred to adjacent rods of a rod node 10.
  • the end regions 28 of the rods 12 to 22 have a rod height 17, which is reduced in comparison to the rest of the rod region, of 40 mm in the example, within the rod node 10.
  • a cover plate 34 and 36 protrude from above and below into the two tapered height regions 19, 21 formed thereby. These two cover plates 34, 36 are held together by a threaded bolt 40 in the region of each end region 28 of the butted rods .
  • the threaded bolts can be pretensioned.
  • the heads 42 of the bolts 40 are sunk in the upper cover plate 34.
  • the bolt 40 protrudes from the bottom of the lower cover plate 36.
  • a nut 46 is screwed onto the external thread 44 visible there. This nut 46 lies firmly against the cover plate 36 via a plate 48.
  • the external thread 44 is present on the threaded bolt 40 in such a way that it ends within the lower cover plate 36 and does not engage in the region of the end face regions 30, 32.
  • the cover plates 34, 36 are inserted so precisely in the two tapered height ranges 19, 21 that a transfer of compressive forces is also possible in these two height ranges.
  • a cross-section comparable to the un-weakened rod cross-section is therefore also available in the rod region 28 of each rod, which is weakened in terms of rods.
  • the recessed arrangement of the cover plate 34 in particular in the rods and the recessed arrangement of the screw heads 42 in the cover plates 34 make it possible to practically allow the height of the upper side of the rods to pass through in the region of a knot 10.
  • Glazing 56 lies on the rod node 10 shown in FIGS. 1 and 2.
  • this glazing consists of insulating glazing 56, which is composed of a lower pane 58 and an upper pane 60 spaced apart therefrom in the usual way.
  • This glazing 56 rests on sealing profiles 62, 64. These sealing profiles 62, 64 cover the upper sides of the bars 12 to 22 and encompass the upper two longitudinal edges of the bars with downwardly projecting tabs 66, 68.
  • the sealing profiles 62, 64 have a web 70 projecting centrally in the upward direction Web 70 protrudes upwards between the end or side surfaces of the glazing 56.
  • a sealant 72 sits on the web 70 from above, which in the plane of the upper pane 60 represents a watertight connection between the upper panes 60.
  • the glazing 56 and thus the upper pane 60 are covered from above by a silicone pane 74.
  • An outer disk 76 rests on this disk 74 from above.
  • the disks 74, 76 have a central recess through which a screw 78 extends from the outside and is screwed into a central internal thread 52 of the upper cover disk 34.
  • the screw 78 does not touch the end regions 28 of the bars that meet in the bar knot 10.
  • This screw 78 is e.g. covered by a cap nut 80.
  • a sealing compound 82 surrounding the outer pane 76 represents a watertight connection between the outer pane 76 and the upper panes 60 of the glazing 56 in the area of the knot 10.
  • This construction of the rod knot 10 allows a considerable transfer of tensile, compressive and moment forces.
  • the Glazing 56 rests freely on the rod knot.
  • the bending stiffness of the rod nodes is very high at around 60 percent of the stiffness of the rods used.
  • rods with a width of only 40 mm can be used for the first time. This gives the supporting structure a very slim appearance.
  • any curved glazing surfaces can be formed.
  • the respective individual glazing panes are flat. Due to the rods meeting in a rod node with different orientations, the end face regions 30, 32 of the individual rods are not necessarily aligned at right angles to the upper or lower side of the rod in question. In general, each rod will have end face regions 30, 32 which differ in their angular orientation from the corresponding end face regions of adjacent rods.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Cable Accessories (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Multiple-Way Valves (AREA)
  • Fishing Rods (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Glass Compositions (AREA)

Abstract

The invention concerns a node-like joining device (10) for bars which is used as a construction component in a structure for supporting a glass wall or glass roof. A plurality of bars (12 to 22) are joined together in the joining device (10) by a bolted cover-disk connection system (34, 36, 40). The bar joining device (10) is characterized in that the end regions (28) of the bars (12 to 22) abut one another over at least one end face region (30, 32) in each case, pressing against one other in a force-locking manner. The bar end regions (28) lying in the joining device (10) are held bolted together (40) between two cover disks (34, 36).

Description

BESCHREIBUNG DESCRIPTION

StabknotenStaff knot

TECHNISCHES GEBIETTECHNICAL AREA

Die Erfindung betrifft einen Stabknoten als Konstruktions¬ element einer Tragkonstruktion. Die Tragkonstruktion dient zur Abstützung einer Glaswand oder eines Glasdaches. Die Glaswand bzw. das Glasdach setzen sich aus einer Vielzahl von einzelnen Glasscheiben zusammen, die mit gegenseitigem Abstand auf der Tragkonstruktion befestigt sind. Derartige Glaswände oder Glasdächer dienen zur großflächigen Verglasung von Bauteilen.The invention relates to a rod knot as a construction element of a supporting structure. The supporting structure is used to support a glass wall or a glass roof. The glass wall or glass roof is composed of a large number of individual glass panes that are attached to the supporting structure at a mutual distance. Such glass walls or glass roofs are used for large-area glazing of components.

STAND DER TECHNIKSTATE OF THE ART

Bekannte Stabknoten der eingangs genannten Art sind in Form von zwei sich rechtwinklig oder schiefwinklig kreuzenden Stä¬ ben bekannt. Die auf einer derartigen Grundkonstruktion zu befestigenden Glasscheiben haben im Grundriß eine entspre¬ chend viereckige, rautenförmige, quadratische oder rechteck- förmige Form. Bei ebenflächigen Tragkonstruktionen bzw. Ver- glasungsflachen oder bei in lediglich einer Richtung gekrümm¬ ter Tragkonstruktion ergeben sich konstruktiv keine Schwie- rigkeiten; die einzelnen Glasscheiben können entsprechend winkelig aneinanderstoßend auf der entsprechend im Raum ein¬ achsig gewölbten Tragkonstruktion aufgelagert und befestigt werden. Probleme ergeben sich aber bei im Raum zweiachsig ge¬ krümmten Verglasungsflachen, da die in sich ebenflächigen Verglasungsscheiben dann nicht mit ihren Eckpunkten gleich¬ zeitig auf allen vier Knoten aufliegen können. Bei geringen Verwölbungen wird versucht, die Glasscheiben elastisch ver¬ formt einzubauen. Bei größeren Krümmungsproblemen können ent¬ sprechend vorverformte Scheiben oder längs einer Rißlinie ge- brochene Scheiben verwendet werden. DARSTELLUNG DER ERFINDUNGKnown rod nodes of the type mentioned at the outset are known in the form of two rods crossing at right angles or oblique angles. The glass panes to be fastened on such a basic construction have a correspondingly square, diamond-shaped, square or rectangular shape in the plan. In the case of flat support structures or glazing surfaces or if the support structure is curved in only one direction, there are no structural difficulties; the individual glass panes can be correspondingly butted and attached to one another on the supporting structure, which is curved in a uniaxial manner in the room. Problems arise, however, in the case of glazing surfaces curved in two axes in space, since the glazing panes which are planar in themselves cannot then rest with their corner points on all four nodes at the same time. If the curvature is slight, an attempt is made to install the glass panes in an elastically deformed manner. For larger curvature problems, correspondingly pre-deformed disks or disks broken along a tear line can be used. PRESENTATION OF THE INVENTION

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine Möglichkeit anzugeben, um groß- flächige, im Raum beliebig gekrümmte Tragkonstruktionen pro¬ blemlos verglasen zu können.On the basis of this prior art, the object of the invention is to provide a possibility for problem-free glazing of large support structures that are curved in any desired manner in space.

Diese Erfindung ist durch die Merkmale des Anspruchs 1 gege¬ ben. Ausgehend von dem im Stand der Technik bekannten Stab- knoten, bei dem jeweils mehrere Stäbe durch eine geschraubte Laschenverbindung zusammengefügt werden können, zeichnet sich der erfindungsgemäße Stabknoten dadurch aus, daß die Stäbe mit ihren Endbereichen über jeweils zumindest einen Stirn¬ flächenbereich kraftschlüssig drückend gegenseitig aneinan- derliegen und in ihren Endbereichen und damit im Bereich des Stabknotens zwischen zwei Laschenscheiben zusammengeschraubt gehalten sind. Bei dieser Ausbildung werden die Druckkräfte durch Flächenkontakt zwischen gestoßenen Stäben übertragen. Zugkräfte dagegen werden über die beidseitig den Stoßbereich überdeckenden, miteinander verschraubten Laschenscheiben übertragen. Auch Biegekräfte können gut übertragen werden. So können die bei der Zerlegung eines Biegemoments entstehenden Zug- und Druckkräfte in der oben genannten Weise in dem Stab¬ knoten entweder - beim Auftreten von Zugkräften - durch die eine oder andere Laschenscheibe oder - beim Auftreten vonThis invention is given by the features of claim 1. Starting from the rod knot known in the prior art, in which several rods can be joined together by a screwed tab connection, the rod knot according to the invention is characterized in that the rods with their end regions press against one another in a force-fitting manner over at least one end face region - Lying and are held screwed together in their end areas and thus in the area of the rod knot between two plate washers. In this design, the compressive forces are transmitted through surface contact between the butted bars. In contrast, tensile forces are transmitted via the bolt plates that are bolted together and cover the joint area on both sides. Bending forces can also be transferred well. Thus, the tensile and compressive forces that arise when a bending moment is broken up in the above-mentioned manner in the rod knot either - when tensile forces occur - through one or the other plate washer or - when occurrences of

Druckkräften - durch die Stirnflächenbereiche der aneinander¬ stoßenden mehreren Stäbe übertragen werden.Compressive forces - are transmitted through the end face areas of the abutting plurality of rods.

Als vorteilhaft hat sich herausgestellt, die Endbereiche der in einem Knoten sich stoßenden Stäbe mit sich zum Ende hin verjüngenden Stirnflächenbereichen auszubilden. Mit diesen Stirnflächenbereichen stoßen dann benachbarte Stäbe aneinan¬ der. Dadurch kann die Bauhöhe im Bereich der Knoten niedrig gehalten werden. Je weniger Stäbe in einem Knoten aufeinan- dertreffen, desto schlanker erweist sich die Tragkonstruk¬ tion. Bei vier-stäbigen Knoten ergeben sich viereckige, von Glasscheiben abzudeckende Flächen zwischen den Knoten. Da die Stäbe im Bereich eines Knotens mit unterschiedlichen Neigun¬ gen aufeinandertreffen können, können die Glasscheiben eben¬ flächig sein.It has turned out to be advantageous to design the end regions of the rods that abut in a knot with end surface regions that taper towards the end. Adjacent bars then meet with these end face regions. This allows the overall height in the area of the nodes to be kept low. The fewer rods that meet in a knot, the slimmer the supporting structure proves. Four-knot knots result in square, from Areas of glass to be covered between the nodes. Since the bars can meet with different inclinations in the area of a knot, the glass panes can be flat.

Die Fachwerkkonstruktion kann auch so ausgebildet werden, daß die Stabknoten dreieckige Flächen einschließen. Dann können in ihrer Grundfläche dreieckige Glasscheiben bei der Vergla¬ sung verwendet werden. Immer ist unter jedem freien Rand der Glasscheibe ein Stab der Tragkonstruktion vorhanden. Damit können beliebig gekrümmte Tragkonstruktionen ausgebildet und verglast werden. Entsprechend den jeweiligen Anforderungen sind die Winkel zwischen benachbarten Stäben vorzugsweise im Bereich größer als Null Grad und kleiner als 180 Grad. Bei einer derartigen Konstruktion lassen sich die übertragenden Lasten noch gut auf die jeweils angeschlossenen anderen Stäbe übertragen.The truss structure can also be designed so that the bar nodes enclose triangular surfaces. Then triangular glass panes can be used in the glazing in their base area. There is always a rod of the supporting structure under each free edge of the glass pane. This allows any curved support structures to be designed and glazed. According to the respective requirements, the angles between adjacent bars are preferably greater than zero degrees and less than 180 degrees in the range. With such a construction, the transmitted loads can still be easily transferred to the other connected bars.

Um die Tragkonstrukion konstruktiv nicht zu hoch ausbilden zu müssen, hat es sich als sinnvoll herausgestellt, eine oder beide Laschenscheiben mehr oder weniger stark versenkt in den Endbereichen der Stäbe vorzusehen. Dadurch geraten die durch sie hindurchgehenden Schraubenköpfe nicht in Kollision mit den die Stäbe und Stabknoten von oben abdeckenden Glasschei- ken.In order not to have to construct the support structure too high, it has proven to be useful to provide one or both lug washers more or less recessed in the end regions of the rods. As a result, the screw heads passing through them do not come into collision with the glass panes covering the rods and rod knots from above.

Die Endbereiche der Stäbe können in einem Knoten unter belie¬ bigen Winkeln zusammentreffen. Die Knoten einer Tragkonstruk¬ tion werden daher untereinander oftmals konstruktiv nicht identisch ausgebildet sein. Die fertigungsmäßigen Anforde¬ rungen an die Ausbildung der an einem Knoten vorhandenen Bau¬ teile ist daher extrem hoch. Dieser Aufwand läßt sich prak¬ tisch nur mit rechnergestützter Konstruktionsarbeit bewälti¬ gen. Um das dem Rechner zugrundeliegende Linienraster kon- struktiv in ein Stabknoten-Raster korrekt und einfach umset¬ zen zu können, hat es sich als sinnvoll herausgestellt, das Linienraster in der Mitte der oberen Fläche der einzelnen Stäbe anzuordnen. Diese Rasterlinien oder Systemlinien stoßen sich dann jeweils in einem Punkt eines jeden Knotens. Von diesem theoretischen Knotenpunkt wird dann nach "unten" der Knoten konstruiert. Um den statischen Anforderungen gerecht zu werden, werden dabei die Laschenscheiben gegebenenfalls soweit in die Stabenden versenkt, daß zwischen ihnen immer ein vorgegebener Abstand vorhanden ist. Da auch die Laschen¬ scheiben eine konstante Dicke und Ausbildung in jedem Knoten haben, können für alle Knoten daher vergleichbare Rechenvor¬ aussetzungen zugrundegelegt werden.The end regions of the bars can meet in a node at any angle. The nodes of a supporting structure will therefore often not be structurally identical to one another. The manufacturing requirements for the design of the components present at a node are therefore extremely high. This effort can only be managed practically with computer-aided design work. In order to be able to constructively and simply implement the line grid on which the computer is based in a rod node grid, it has proven to be useful that Line grid in the middle of the upper surface of the individual bars. These grid lines or system lines then meet at a point of each node. The node is then constructed "downwards" from this theoretical node. In order to meet the static requirements, the plate washers may be sunk into the rod ends to such an extent that there is always a predetermined distance between them. Since the plate washers also have a constant thickness and configuration in each node, comparable calculation requirements can therefore be used for all nodes.

Die Verglasung für eine derartige Tragkonstruktion kann aus einer einzelnen Scheibe oder aus einer mehrere Scheiben um- fassenden Einfach- oder Isolierglasscheibe bestehen. Die Glasscheiben können auch durch nicht durchsichtige Platten ersetzt werden. Als konstruktiv einfach und technisch voll zufriedenstellende Lösung hat sich eine Verglasung erwiesen, bei der eine von außen zusätzlich einwirkende Abdeckplatte auf die obere Laschenscheibe gepreßt wird. Die Ränder der Glasscheibe sind damit im Bereich der Knoten zwischen zwei Scheiben eingepreßt. Eine der Scheiben ist die bei der kon¬ struktiven Ausbildung des Knotens vorhandene Abdeckscheibe. Die andere Scheibe ist auf der Außenseite der Verglasung zu- sätzlich vorhanden. Diese zusätzliche Scheibe kann auf kon¬ struktiv einfache Weise über eine Verschraubung an der äuße¬ ren Laschenscheibe befestigt werden.The glazing for such a supporting structure can consist of a single pane or of a single or insulating glass pane comprising several panes. The glass panes can also be replaced by non-transparent plates. Glazing has proven to be a structurally simple and technically fully satisfactory solution, in which a cover plate additionally acting from the outside is pressed onto the upper link plate. The edges of the glass pane are thus pressed in between two panes in the area of the nodes. One of the disks is the cover disk which is present when the knot is constructed. The other pane is also present on the outside of the glazing. This additional disk can be fastened in a structurally simple manner to the outer link disk by means of a screw connection.

Weitere vorteilhafte Ausgestaltung und Weiterbildung der Er- findung sind den in den Unteransprüchen ferner angebenenFurther advantageous refinements and developments of the invention are those specified in the subclaims

Merkmalen sowie dem nachstehenden Ausführungsbeiεpiel zu ent¬ nehmen. KURZE BESCHREIBUNG DER ZEICHNUNG ¬ take features and the following Ausführungsbeiεpiel to ent. BRIEF DESCRIPTION OF THE DRAWING

Die Erfindung wird im folgenden anhand des in der Zeichnung dargestellten Ausführungsbeispiels näher beschrieben und er- läutert. Es zeigen:The invention is described and explained in more detail below with reference to the embodiment shown in the drawing. Show it:

Fig. 1 eine Draufsicht auf einen Stabknoten nach der Erfin¬ dung,1 is a plan view of a rod knot according to the invention,

Fig. 2 eine teilweise geschnittene Seitenansicht des Stab¬ knotens gemäß Fig. 1 undFIG. 2 shows a partially sectioned side view of the rod knot according to FIGS. 1 and

Fig. 3 eine teilweise geschnittene Seitenansicht eines mit einer Verglasung versehenen Stabknotens .Fig. 3 is a partially sectioned side view of a rod node provided with glazing.

WEGE ZUM AUSFÜHREN DER ERFINDUNGWAYS OF CARRYING OUT THE INVENTION

In einem in Fig. 1 dargestellten Stabknoten 10 treffen im vorliegenden Beispielsfall sechs Stäbe 12, 14, 16, 18, 20, 22 aufeinander. Die Stäbe sind Teil einer Tragkonstruktion. Die Knoten können dann derart innerhalb der Tragkonstruktion vor¬ handen sein, daß die die Knoten verbindenden Stäbe dreieckige Flächen einrahmen. Diese Flächen können auch viereckig, und damit beispielsweise Trapezflächen sein.In the present example case, six rods 12, 14, 16, 18, 20, 22 meet in a rod node 10 shown in FIG. 1. The bars are part of a supporting structure. The nodes can then be present within the supporting structure in such a way that the bars connecting the nodes frame triangular surfaces. These surfaces can also be square, and thus, for example, trapezoidal surfaces.

Jeder der Stäbe 12 bis 18 besteht aus einem Rechteckprofil von im vorliegenden Beispielsfall 40 mm (Millimeter) Breite 13 und 60 mm Höhe 15. Die beiden Seitenflächen 24, 26 laufen im jeweiligen Endbereich 28 des betreffenden Stabes spitz aufeinander zu. Jeder Stab 12 bis 22 besitzt dadurch zwei spitz zulaufende, schräge Stirn lächenbereiche 30, 32. Be¬ nachbarte Stäbe, beispielsweise die Stäbe 18 und 16, liegen mit ihren benachbarten Stirnflächenbereichen 30, 32 flächig aneinander. Dies trifft für alle Stäbe und alle Stirnflächen- bereiche der verschiedenen Stäbe in einem Stabknoten zu. Druckkräfte können auf diese Weise durch Kontakt über die Stirnflächenbereiche 30, 32 auf benachbarte Stäbe eines Stab¬ knotens 10 übertragen werden.Each of the rods 12 to 18 consists of a rectangular profile of 40 mm (millimeters) in width 13 and 60 mm in height 15 in the present example. The two side surfaces 24, 26 taper towards one another in the respective end region 28 of the rod in question. Each rod 12 to 22 thus has two tapered, oblique end face regions 30, 32. Adjacent rods, for example rods 18 and 16, lie flat against one another with their adjacent end face regions 30, 32. This applies to all members and all end face areas of the various members in a member node. In this way, compressive forces can be created through contact via the End face regions 30, 32 are transferred to adjacent rods of a rod node 10.

Die Endbereiche 28 der Stäbe 12 bis 22 weisen innerhalb des Stabknotens 10 eine gegenüber dem übrigen Stabbereich verrin¬ gerte Stabhöhe 17 von im Beispielsfall 40 mm auf. In die da¬ durch ausgebildeten beiden verjüngten Höhenbereiche 19, 21 ragen von oben und von unten eine Abdeckscheibe 34 bzw. 36. Diese beiden Abdeckscheiben 34, 36 werden im Bereich eines jeden Endbereichs 28 der gestoßenen Stäbe von einem Gewinde¬ bolzen 40 miteinander verschraubt zusammengehalten. Die Ge¬ windebolzen können dabei unter Vorspannung stehen. Die Köpfe 42 der Bolzen 40 sind in der oberen Abdeckscheibe 34 versenkt angeordnet. Der Bolzen 40 ragt unten aus der unteren Abdeck- Scheibe 36 heraus. Auf das dort sichtbare Außengewinde 44 ist eine Mutter 46 geschraubt. Diese Mutter 46 liegt über eine Scheibe 48 fest an der Abdeckscheibe 36 an. Das Außengewinde 44 ist am Gewindebolzen 40 derart vorhanden, daß es innerhalb der unteren Abdeckscheibe 36 endet und nicht in den Bereich der Stirnflächenbereiche 30, 32 hineingreift. Die Abdeck¬ scheiben 34, 36 sind so paßgenau in die beiden verjüngten Höhenbereiche 19, 21 eingesetzt, daß eine Übertragung von Druckkräften auch in diesen beiden Höhenbereichen möglich ist. Für die Übertragung von Druckkräften steht daher auch im stabmäßig geschwächten Endbereich 28 eines jeden Stabes ein dem ungeschwächten Stabquerschnitt vergleichbarer Querschnitt zur Verfügung. Die versenkte Anordnung der insbesondere obe¬ ren Abdeckscheibe 34 in den Stäben sowie die versenkte Anord¬ nung der Schraubenköpfe 42 in den Abdeckscheiben 34 ermög- licht es, die obere Seite der Stäbe im Bereich eines Knotens 10 höhenmäßig praktisch durchlaufen zu lassen.The end regions 28 of the rods 12 to 22 have a rod height 17, which is reduced in comparison to the rest of the rod region, of 40 mm in the example, within the rod node 10. A cover plate 34 and 36 protrude from above and below into the two tapered height regions 19, 21 formed thereby. These two cover plates 34, 36 are held together by a threaded bolt 40 in the region of each end region 28 of the butted rods . The threaded bolts can be pretensioned. The heads 42 of the bolts 40 are sunk in the upper cover plate 34. The bolt 40 protrudes from the bottom of the lower cover plate 36. A nut 46 is screwed onto the external thread 44 visible there. This nut 46 lies firmly against the cover plate 36 via a plate 48. The external thread 44 is present on the threaded bolt 40 in such a way that it ends within the lower cover plate 36 and does not engage in the region of the end face regions 30, 32. The cover plates 34, 36 are inserted so precisely in the two tapered height ranges 19, 21 that a transfer of compressive forces is also possible in these two height ranges. For the transmission of compressive forces, a cross-section comparable to the un-weakened rod cross-section is therefore also available in the rod region 28 of each rod, which is weakened in terms of rods. The recessed arrangement of the cover plate 34 in particular in the rods and the recessed arrangement of the screw heads 42 in the cover plates 34 make it possible to practically allow the height of the upper side of the rods to pass through in the region of a knot 10.

In der oberen Abdeckscheibe 34 ist eine zentrische Bohrung 50 mit einem Innengewinde 52 vorhanden. In dieses Innengewinde 52 kann eine Schraube 78 von oben eingeschraubt werden, wie nachstehend noch näher beschrieben wird. Auf dem in Fig. 1 und 2 dargestellten Stabknoten 10 liegt eine Verglasung 56. Diese Verglasung besteht im vorliegenden Beispielsfall aus einer Isolierverglasung 56, die aus einer unteren Scheibe 58 und einer dazu im Abstand angeordneten oberen Scheibe 60 in üblicher Weise zusammengesetzt ist. Die¬ se Verglasung 56 liegt auf Dichtungsprofilen 62, 64 auf. Die¬ se Dichtungsprofile 62, 64 bedecken die oberen Seiten der Stäbe 12 bis 22 und umgreifen die oberen beiden Längskanten der Stäbe mit nach unten auskragenden Lappen 66, 68. Die Dichtungsprofile 62, 64 besitzen einen mittig nach oben aus¬ kragenden Steg 70. Dieser Steg 70 ragt zwischen den Stirn¬ beziehungsweise Seitenflächen der Verglasung 56 nach oben hindurch. Auf dem Steg 70 sitzt von oben eine Dichtungsmasse 72, die in der Ebene der oberen Scheibe 60 eine wasserdichte Verbindung zwischen den oberen Scheiben 60 darstellt.In the upper cover plate 34 there is a central bore 50 with an internal thread 52. A screw 78 can be screwed into this internal thread 52 from above, as will be described in more detail below. Glazing 56 lies on the rod node 10 shown in FIGS. 1 and 2. In the present example, this glazing consists of insulating glazing 56, which is composed of a lower pane 58 and an upper pane 60 spaced apart therefrom in the usual way. This glazing 56 rests on sealing profiles 62, 64. These sealing profiles 62, 64 cover the upper sides of the bars 12 to 22 and encompass the upper two longitudinal edges of the bars with downwardly projecting tabs 66, 68. The sealing profiles 62, 64 have a web 70 projecting centrally in the upward direction Web 70 protrudes upwards between the end or side surfaces of the glazing 56. A sealant 72 sits on the web 70 from above, which in the plane of the upper pane 60 represents a watertight connection between the upper panes 60.

Im Bereich eines jeden Knotens und damit auch des Knotens 10 wird die Verglasung 56 und damit die obere Scheibe 60 von oben durch eine Silikon-Scheibe 74 abgedeckt. Auf dieser Scheibe 74 liegt von oben eine äußere Scheibe 76 auf. Die Scheiben 74, 76 besitzen eine zentrische Aussparung, durch die von außen eine Schraube 78 hindurchgreift, die in einem zentralen Innengewinde 52 der oberen Abdeckscheibe 34 einge¬ schraubt ist. Die Schraube 78 berührt nicht die Endbereiche 28 der im Stabknoten 10 aufeinandertreffenden Stäbe. Diese Schraube 78 ist von außen z.B. durch eine Hutmutter 80 abge¬ deckt. Eine die äußere Scheibe 76 umgebende Dichtungsmasse 82 stellt eine wasserdichte Verbindung zwischen der äußeren Scheibe 76 und den oberen Scheiben 60 der Verglasung 56 im Bereich des Knotens 10 dar. Bei entsprechend unterschiedlich geneigter Ausrichtung der Stabknoten im Raum müssen die Stäbe zwischen benachbarten Stabknoten 10 verdrillt eingebaut wer¬ den.In the area of each node and thus also the node 10, the glazing 56 and thus the upper pane 60 are covered from above by a silicone pane 74. An outer disk 76 rests on this disk 74 from above. The disks 74, 76 have a central recess through which a screw 78 extends from the outside and is screwed into a central internal thread 52 of the upper cover disk 34. The screw 78 does not touch the end regions 28 of the bars that meet in the bar knot 10. This screw 78 is e.g. covered by a cap nut 80. A sealing compound 82 surrounding the outer pane 76 represents a watertight connection between the outer pane 76 and the upper panes 60 of the glazing 56 in the area of the knot 10. With a correspondingly differently inclined orientation of the bar knots in space, the bars must be installed twisted between adjacent bar knots 10 become.

Diese Konstruktion des Stabknotens 10 erlaubt eine beachtli¬ che Überleitung von Zug-, Druck- und Momentenkräften. Die Verglasung 56 ruht dabei zwängungsfrei auf den Stabknoten auf . Gleichzeitig ist die Wasserdichtigkeit der Konstruktion gewährleistet. Die Biegesteifigkeit der Stabknoten ist mit etwa 60 Prozent der Steifigkeit der verwendeten Stäbe sehr hoch. Dadurch können erstmals Stäbe mit einer Breite von le¬ diglich 40 mm verwendet werden. Die Tragkonstruktion bekommt dadurch ein sehr schlankes Aussehen.This construction of the rod knot 10 allows a considerable transfer of tensile, compressive and moment forces. The Glazing 56 rests freely on the rod knot. At the same time, the watertightness of the construction is guaranteed. The bending stiffness of the rod nodes is very high at around 60 percent of the stiffness of the rods used. As a result, rods with a width of only 40 mm can be used for the first time. This gives the supporting structure a very slim appearance.

Aufgrund der dreieckigen Grundrißfläche der einzelnen Schei- ben der Verglasung 56 können beliebig gekrümmte Verglasungs- flachen ausgebildet werden. Dabei sind die jeweiligen einzel¬ nen Verglasungsscheiben ebenflächig. Aufgrund der im Raum mit unterschiedlicher Ausrichtung in einem Stabknoten sich tref¬ fenden Stäbe sind die Stirnflächenbereich 30, 32 der einzel- nen Stäbe nicht unbedingt rechtwinklig zur Ober- beziehungs¬ weise Unterseite des betreffenden Stabes ausgerichtet. Im allgemeinen wird jeder Stab Stirnflächenbereiche 30, 32 be¬ sitzen, die in ihrer winkligen Ausrichtung sich von den ent¬ sprechenden Stirnflächenbereichen benachbarter Stäbe unter- scheiden. Due to the triangular plan area of the individual panes of the glazing 56, any curved glazing surfaces can be formed. The respective individual glazing panes are flat. Due to the rods meeting in a rod node with different orientations, the end face regions 30, 32 of the individual rods are not necessarily aligned at right angles to the upper or lower side of the rod in question. In general, each rod will have end face regions 30, 32 which differ in their angular orientation from the corresponding end face regions of adjacent rods.

Claims

ANSPRÜCHEEXPECTATIONS 01) Stabknoten (10) als Konstruktionselement einer Trag¬ konstruktion zur Abstützung einer Glaswand oder eines Glasdaches, wobei jeweils01) rod knot (10) as a structural element of a supporting structure for supporting a glass wall or a glass roof, in each case - mehrere Stäbe (12 bis 22) in dem Knoten (10) durch eine geschraubte Laschenverbindung (34, 36, 40) zusammengefügt sind, d a d u r c h g e k e n n z e i c h n e t , daß - die Stäbe (12 bis 22) mit ihren Endbereichen (28) über jeweils zumindest einen Stirnflächenbereich (30, 32) kraftschlüssig drückend gegenseitig aneinanderliegen,- Several rods (12 to 22) in the node (10) are joined together by a screwed tab connection (34, 36, 40), characterized in that - the rods (12 to 22) with their end regions (28) each have at least one end face region (30, 32) press against one another in a force-fitting manner, - die im Knoten (10) liegenden Endbereiche (28) der Stäbe zwischen zwei Abdeckscheiben (34, 36) zusammengeschraubt (40) gehalten sind.- The end regions (28) of the rods lying in the node (10) are held together (40) by screws between two cover disks (34, 36). 02) Stabknoten nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , daß02) rod knot according to claim 1, d a d u r c h g e k e n n z e i c h n e t that - benachbarte Stäbe (16, 18) in ihren jeweiligen End- . bereichen (28) sich verjüngende Stirnflächenbereiche (30,- Adjacent bars (16, 18) in their respective end. areas (28) tapering end face areas (30, 32) aufweisen, an denen sie flächig und drückend anein¬ anderliegen.32), on which they lie flat and pressing against one another. 03) Stabknoten nach einem der vorstehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , daß03) rod knot according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t that - die Abdeckscheiben (34, 36) versenkt in den Stäben (12 bis 22) angeordnet sind, derart, daß- The cover plates (34, 36) are arranged sunk in the rods (12 to 22), such that -- ein gegenseitiger fester Abstand (17) zwischen den Abdeckscheiben (34, 36) vorhanden ist, -- dieser feste Abstand (17) um verringerte Höhenbereiche (19, 21) kleiner ist als die Höhe (15) des Stabes in dieser Richtung,- there is a mutual fixed distance (17) between the cover disks (34, 36), - this fixed distance (17) is smaller by reduced height ranges (19, 21) than the height (15) of the rod in this direction, -- die Abdeckscheiben (34, 36) zur Übertragung von Druck¬ kräften, die innerhalb der verringerten Höhenbereiche (19, 21) wirksam sind, verwendbar sind. 04) Stabknoten nach einem der vorstehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , daß- The cover disks (34, 36) can be used to transmit pressure forces which are effective within the reduced height ranges (19, 21). 04) rod knot according to one of the preceding claims, characterized in that - die durch die beiden Abdeckscheiben (34, 36) und die dazwischenliegenden Endbereiche (28 ) der Stäbe hindurc - gehende Verschraubung (40) auf der der Verglasung (56) zugewandten Seite versenkt in dieser der Verglasung (56) benachbarten Abdeckscheibe (34) vorhanden ist.- Through the two cover disks (34, 36) and the intermediate end regions (28) of the rods - screw connection (40) on the side facing the glazing (56) sunk into the cover disk (34) adjacent to the glazing (56) is. 05) Stabknoten nach einem der vorstehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , daß05) rod knot according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t that - die Verglasung (56) eine aus mehreren Scheiben (58, 60) zusammengefügte Isolierglasscheibe ist.- The glazing (56) is an insulating glass pane assembled from a plurality of panes (58, 60). 06) Stabknoten nach einem der vorstehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , daß06) rod knot according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t that - die Verglasung (56) zwischen der zu ihr benachbarten Abdeckscheibe (34) und einer zusätzlichen äußeren Scheibe- The glazing (56) between the adjacent cover plate (34) and an additional outer pane (76) eingeklemmt gehalten ist,(76) is pinched, - die äußere Scheibe (76) an der zur Verglasung (56) benachbarten Abdeckscheibe (34) angeschraubt (78) gehal¬ ten ist,the outer pane (76) is screwed (78) to the cover pane (34) adjacent to the glazing (56), - zwischen benachbarten freien Rändern der Verglasung (56) ein Dichtungsprofil (62, 64) vorhanden ist,a sealing profile (62, 64) is present between adjacent free edges of the glazing (56), - dieses Dichtungsprofil (62, 64) auch zwischen Ver- glasung (56) und Stab vorhanden ist.- This sealing profile (62, 64) is also present between the glazing (56) and the rod. 07) Stabknoten nach einem der vorstehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t, daß07) rod knot according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t that - Voll aterialstäbe mit maximal 40 mm in der Breite und 60 mm in der Höhe vorhanden sind. - Fully arterial rods with a maximum of 40 mm in width and 60 mm in height are available.
EP96902230A 1995-02-15 1996-02-13 Node-like joining device for bars Expired - Lifetime EP0809739B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29502486U DE29502486U1 (en) 1995-02-15 1995-02-15 Staff knot
DE29502486U 1995-02-15
PCT/DE1996/000225 WO1996025568A1 (en) 1995-02-15 1996-02-13 Node-like joining device for bars

Publications (2)

Publication Number Publication Date
EP0809739A1 true EP0809739A1 (en) 1997-12-03
EP0809739B1 EP0809739B1 (en) 1998-10-28

Family

ID=8003946

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96902230A Expired - Lifetime EP0809739B1 (en) 1995-02-15 1996-02-13 Node-like joining device for bars

Country Status (17)

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US (1) US5937589A (en)
EP (1) EP0809739B1 (en)
JP (1) JP3784027B2 (en)
AT (1) ATE172770T1 (en)
AU (1) AU4663296A (en)
CZ (1) CZ291766B6 (en)
DE (2) DE29502486U1 (en)
EE (1) EE03530B1 (en)
FI (1) FI973315A7 (en)
GE (1) GEP20002217B (en)
HU (1) HU222158B1 (en)
NO (1) NO307578B1 (en)
PL (1) PL183874B1 (en)
SK (1) SK284560B6 (en)
TR (1) TR199700772T1 (en)
UA (1) UA42053C2 (en)
WO (1) WO1996025568A1 (en)

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US6708455B1 (en) * 1998-12-28 2004-03-23 Housing Kousan Co., Ltd. Polyhedral fabricated structure and method of constructing the same
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Also Published As

Publication number Publication date
PL321736A1 (en) 1997-12-22
EE03530B1 (en) 2001-10-15
CZ291766B6 (en) 2003-05-14
NO973572D0 (en) 1997-08-04
HUP9900242A2 (en) 1999-05-28
FI973315A0 (en) 1997-08-13
SK284560B6 (en) 2005-06-02
GEP20002217B (en) 2000-08-25
HUP9900242A3 (en) 2000-01-28
UA42053C2 (en) 2001-10-15
CZ256297A3 (en) 1998-02-18
NO307578B1 (en) 2000-04-25
US5937589A (en) 1999-08-17
SK106097A3 (en) 1998-02-04
JPH10513521A (en) 1998-12-22
ATE172770T1 (en) 1998-11-15
NO973572L (en) 1997-08-04
EE9700193A (en) 1998-02-16
JP3784027B2 (en) 2006-06-07
FI973315L (en) 1997-08-13
EP0809739B1 (en) 1998-10-28
HU222158B1 (en) 2003-04-28
DE29502486U1 (en) 1995-04-27
PL183874B1 (en) 2002-07-31
AU4663296A (en) 1996-09-04
FI973315A7 (en) 1997-08-13
WO1996025568A1 (en) 1996-08-22
TR199700772T1 (en) 1998-02-21
DE59600741D1 (en) 1998-12-03

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