EP0015213B1 - Aus gewölbeförmigen Modul-Elementen zusammengesetztes, selbsttragendes Dach für Gebäude - Google Patents

Aus gewölbeförmigen Modul-Elementen zusammengesetztes, selbsttragendes Dach für Gebäude Download PDF

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Publication number
EP0015213B1
EP0015213B1 EP80400257A EP80400257A EP0015213B1 EP 0015213 B1 EP0015213 B1 EP 0015213B1 EP 80400257 A EP80400257 A EP 80400257A EP 80400257 A EP80400257 A EP 80400257A EP 0015213 B1 EP0015213 B1 EP 0015213B1
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EP
European Patent Office
Prior art keywords
wall
walls
self
roof
fixed
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.)
Expired
Application number
EP80400257A
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English (en)
French (fr)
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EP0015213B2 (de
EP0015213A1 (de
Inventor
Bernard Lemaitre
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BATIROC
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BATIROC
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Priority to AT80400257T priority Critical patent/ATE7720T1/de
Publication of EP0015213A1 publication Critical patent/EP0015213A1/de
Publication of EP0015213B1 publication Critical patent/EP0015213B1/de
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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
    • 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
    • E04B7/107—Folded structures
    • 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

Definitions

  • the present invention relates to a self - supporting roof, in particular for industrial buildings, formed of long - span modular elements, in the form of an arch, in accordance with the preamble of claim 1.
  • roof elements with oblique planes, comprising a self-supporting outer shell or wall conferring mechanical resistance to the element, a layer of thermal insulation and an inner wall supporting the layer insulation and carried by the outer wall, the latter being further stiffened by metal elements, such as "omega" irons welded to the shell.
  • the roof elements are prefabricated in the factory, the work remaining to be done on the site essentially consists of putting the elements in place and assembling them to form the total roof.
  • FR-A 2147866 describes a roof of the same type as that of FR-A 1558925, specifying that it is composed of longitudinal elements resting on a horizontal structure and each consisting of an inverted V hull, and folded transverse stiffening frames so as to present a geometry congruent to the cross section of the shell.
  • the patent FR-A-1494733 describes a self-supporting structural element comprising two ribbed sheets arranged face to face and joined together by insulating rods.
  • the roof thus produced can be flat or composed of vaults.
  • the invention specifically aims to increase the bending moment of the roof and reduce the dead weight to bear while avoiding the existence of thermal bridge between the two inner and outer walls.
  • the inner wall is, like the outer wall, self-supporting and arranged parallel to it and that the longitudinal edges of the two walls and the edges of the stiffeners are fixed to bars of longitudinal stress.
  • the stiffeners are tubes of rectangular section filled with a thermal insulator, for example a foam of synthetic material, to prevent them from forming a thermal bridge.
  • a thermal insulator for example a foam of synthetic material
  • the stiffeners are formed by spaced sections fixed respectively to the inner and outer walls, between which are fixed at intervals spacer pieces.
  • the roofing elements according to the invention have the shape of a vault, the walls being formed for example of curved ribbed sheets.
  • FIG. 1 shows two elements 1 of a freestanding roof for an industrial building.
  • Each element has in section a substantially semicircular shape open upwards, with a width which can be around 2 meters, and can have a length of up to 30 meters.
  • the elements are supported at their ends by supports symbolized in A, which can be constituted by the front walls of the building.
  • Each element includes an outer wall 2 and an inner wall 3 curved identically and with the same mechanical strength. Between these walls are arranged, at regular intervals in the longitudinal direction, transverse stiffeners conforming to the shape of the walls (see FIG. 5 for this arrangement) and one of which is shown in section in FIG. 2a.
  • the stiffeners 4 of FIG. 2a is a square section tube which is fixed, on the one hand, to the external wall 2 and, on the other hand, to the internal wall 3 by any suitable means, preferably by self-tapping screws. -drills and self-tapping symbolized by the mixed lines.
  • thermal insulator 5 for example glass wool.
  • the stiffeners 4 are themselves filled with a thermal insulator 6, for example a polyurethane foam formed in place, in order to prevent the stiffeners 4 from forming thermal bridges.
  • thermal insulator 6 for example a polyurethane foam formed in place
  • FIG. 2b shows a variant with respect to the embodiment of FIG. 2a, in which the irons 10, 11 having spread wings are fixed respectively to the walls 2 and 3, and between the irons 10 and 11 are placed at regular intervals from the pads 12 of rigid thermally insulating material, for example of wood or of rigid plastic.
  • the connection between the bars 10 and 11 is ensured by clamping pieces 13, 14 respectively enclosing the pads 12 and connected by blocking a nut 15 on a bolt 16.
  • the walls 2 and 3 are, in the embodiment of Figure 1, made of steel trays, that is to say of ribbed steel sheets. These containers are commercially available and each wall will be formed from one or more of these containers, depending on the required width. If a wall includes several tanks, the connection will be obtained by covering the waves (or ribs) and fixing by screws. _____
  • longitudinal profiles 17 are provided, housed in the last wave of the outer wall 2, and likewise longitudinal profiles 18 housed in the last wave of the inner wall 3.
  • Each of these profiles working in compression since the arch is open upwards is placed between two stiffeners 4 consecutive and is fixed by its ends on plates 19 welded on the stiffeners 4.
  • connecting bars 20 Between two adjacent roofing elements are arranged connecting bars 20 forming spacers, which are fixed to the exposed ends of the stiffeners 4. Above the connecting bars 20 is placed a sealed ridge 21, and under the bars 20 is a sub-ceiling 22 supported by the upper face of the compression profiles 18. A layer of thermal insulation 23 is placed on the sub-ceiling 22.
  • a simple translucent skylight could also be placed between two adjacent roof elements.
  • the inner wall 3 contributes by its own resistance to the rigidity of the roof, instead of forming a dead weight than the wall exterior must support, as in the prior art mentioned above. This makes it possible to increase the range of an element or, for a given range, to reduce the thickness of the walls.
  • the roof elements 1 are prefabricated in the factory and the only operations remaining to be carried out on the site are the installation of the elements 1 on the support walls and the installation of the connecting bars, the ridge, etc. ., between elements 1.
  • FIG. 4 shows an alternative embodiment in which two compression profiles are provided, constituted by tubes of square section 25, 26 extending continuously over the entire length of the roofing element, instead of d 'be placed between the stiffeners in the waves of the walls, as shown in Figure 3.
  • all the stiffeners 27 have their ends fixed respectively to the profiles 25, 26.
  • the profiles 25, 26 are also, like the tubular stiffener of Figure 2a, filled with a thermal insulation foam formed in place.
  • the stiffeners also have a different structure from what has been described above. They are each formed of two T sections 28a, 28b fixed respectively to the outer wall and to the inner wall, preferably by means of self-tapping screws, not shown. The sections 28a, 28b are separated and joined at intervals by metal parts 29 welded to the cores of the sections 28a, 28b. Such an embodiment has the advantage of great simplicity of implementation.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Body Structure For Vehicles (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Paints Or Removers (AREA)

Claims (3)

1. Selbsttragende Dachkonstruktionen für Bauwerke, welche aus gewölbeartigen Modulelementen zusammengesetzt ist, von welchen Elementen jedes eine selbsttragende Aussenwand (2) und eine Innenwand (3) derselben Form aufweist, welche sich in Längsrichtung zwischen zwei Auflager erstreckt, die Modulelemente desweiteren Aussteifungen (4, 27) aufweisen, deren Querschnitt dem durch die Aussenwand (2) und Innenwand (3) gebildeten Querschnitt entspricht, und welche in Abständen zwischen den beiden Wänden (2, 3) und zwar quer zu diesen angeordnet und mit diesen verbunden sind, und zwischen den beiden Wänden (2, 3) eine von der Innenwand (3) getragene thermische Isolierung (5) angeordnet ist, dadurch gekennzeichnet, dass auch die Innenwand (3) selbsttragend ausgebildet und parallel zu der Aussenwand (2) angeordnet ist, und dass Belastungs-Längsstäbe (17, 18) vorgesehen sind, an welchen die Längsränder der beiden Wände (2, 3) und die Ränder der Aussteifungen (4, 27) festgelegt sind.
2. Dachkonstruktion nach Anspruch 1, dadurch gekennzeichnet, dass Verstrebungsteile (12) aus Isoliermaterial zwischen Eisen (10, 11) mit abgewinkelten Enden, welche die Aussteifungen (4) bilden, angeordnet sind, die Eisen (10, 11) jeweils an der Innenwand (3) und der Aussenwand (2) festgelegt sind und miteinander verbundene Klemmstücke zu beiden Seiten der Verstrebungsteile (12) mit der Aussenseite der abgewinkelten Enden der Eisen (10, 11) in Anlage gebracht sind.
3. Dachkonstruktion nach Anspruch 1, dadurch gekennzeichnet, dass jede Aussteifung durch zwei T-Profile (28a, 28b) gebildet ist, wobei die T-Profile im Abstand voneinander angeordnet und an der Innenwand (3) bzw. der Aussenwand (2) festgelegt und miteinander absatzweise durch Platten (29) verbunden sind.
EP80400257A 1979-02-26 1980-02-22 Aus gewölbeförmigen Modul-Elementen zusammengesetztes, selbsttragendes Dach für Gebäude Expired EP0015213B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80400257T ATE7720T1 (de) 1979-02-26 1980-02-22 Aus gewoelbefoermigen modul-elementen zusammengesetztes, selbsttragendes dach fuer gebaeude.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7904880A FR2449755A1 (fr) 1979-02-26 1979-02-26 Toiture autoportante pour batiments, composee d'elements modulaires
FR7904880 1979-02-26

Publications (3)

Publication Number Publication Date
EP0015213A1 EP0015213A1 (de) 1980-09-03
EP0015213B1 true EP0015213B1 (de) 1984-05-30
EP0015213B2 EP0015213B2 (de) 1989-02-15

Family

ID=9222460

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80400257A Expired EP0015213B2 (de) 1979-02-26 1980-02-22 Aus gewölbeförmigen Modul-Elementen zusammengesetztes, selbsttragendes Dach für Gebäude

Country Status (6)

Country Link
US (1) US4395853A (de)
EP (1) EP0015213B2 (de)
JP (1) JPS6037261B2 (de)
AT (1) ATE7720T1 (de)
DE (1) DE3067997D1 (de)
FR (1) FR2449755A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2562925B1 (fr) * 1984-04-17 1987-06-26 Lelan Jean Claude Toiture a double paroi profilee
FR2581681B1 (fr) * 1985-05-07 1988-05-13 Acmc Export Element autoportant pour la realisation d'une toiture de batiment, comprenant une ossature metallique associee a une couverture isolante monobloc, ossature metallique et couverture isolante le composant et toiture en resultant
US4671032A (en) * 1986-03-31 1987-06-09 Philip W. Reynolds Thermally insulating structural panel with load-bearing skin
FR2607538B1 (fr) * 1986-11-28 1989-03-10 Lelan Jean Claude Dispositif de remise en etat, ou " rehabilitation ", de toitures realisees en coques
NL9400028A (nl) * 1994-01-07 1995-08-01 Bennenk Hendrik W Vrijdragende dakconstructie.
IT1275242B (it) * 1995-02-17 1997-07-31 Dlc Srl Sistema di copertura perfezionato comprendente tegoli alternati a coppelle
DE19529035C2 (de) * 1995-08-08 1999-07-22 Johann Dipl Ing Grad Selbsttragende Dachkonstruktion
EP2428625A1 (de) 2010-09-10 2012-03-14 Profilia S.r.l. Dachstruktur

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2407252A (en) * 1943-10-22 1946-09-10 Edwin R Closs Prefabricated building
US2419149A (en) * 1944-01-01 1947-04-15 Mobile Refrigeration Inc Electrical method of mechanically connecting and mutually insulating spaced metal elements
FR1494733A (fr) * 1966-03-01 1967-09-15 Aluminium Francais élément de structure autoportante à grande résistance et application aux toitures autoportantes
US3335530A (en) * 1966-05-31 1967-08-15 Leslie A Hurd Roofing systems with supporting strap assemblies
FR1558925A (de) * 1967-08-09 1969-03-07
FR2028056A1 (de) * 1969-01-17 1970-10-09 Pierre Claude
FR2116972A6 (de) * 1970-12-08 1972-07-21 Leone Paul
FR2147866B1 (de) * 1971-08-04 1974-04-26 Caen Atel Constr Metal
FR2407313A1 (fr) * 1977-10-26 1979-05-25 Caen Atel Constr Metal Procede de construction d'une toiture auto-portante, eclisse pour la mise en oeuvre dudit procede de toiture auto-portante correspondante

Also Published As

Publication number Publication date
DE3067997D1 (en) 1984-07-05
US4395853A (en) 1983-08-02
FR2449755B1 (de) 1982-07-02
ATE7720T1 (de) 1984-06-15
JPS55116947A (en) 1980-09-08
EP0015213B2 (de) 1989-02-15
JPS6037261B2 (ja) 1985-08-24
FR2449755A1 (fr) 1980-09-19
EP0015213A1 (de) 1980-09-03

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