EP0097104A1 - Selbsttragendes metallisches, wellenförmiges Bauelement für ein Gebäudedach - Google Patents

Selbsttragendes metallisches, wellenförmiges Bauelement für ein Gebäudedach Download PDF

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Publication number
EP0097104A1
EP0097104A1 EP83401218A EP83401218A EP0097104A1 EP 0097104 A1 EP0097104 A1 EP 0097104A1 EP 83401218 A EP83401218 A EP 83401218A EP 83401218 A EP83401218 A EP 83401218A EP 0097104 A1 EP0097104 A1 EP 0097104A1
Authority
EP
European Patent Office
Prior art keywords
wing
self
sections
longitudinal
sheet metal
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
EP83401218A
Other languages
English (en)
French (fr)
Other versions
EP0097104B1 (de
Inventor
Mario Pizzone
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.)
S I C O P Industrielle Couverture Pizzone SA Ste
Original Assignee
S I C O P Industrielle Couverture Pizzone SA Ste
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 S I C O P Industrielle Couverture Pizzone SA Ste filed Critical S I C O P Industrielle Couverture Pizzone SA Ste
Priority to AT83401218T priority Critical patent/ATE23594T1/de
Publication of EP0097104A1 publication Critical patent/EP0097104A1/de
Application granted granted Critical
Publication of EP0097104B1 publication Critical patent/EP0097104B1/de
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
    • 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
    • E04B7/102—Shell 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
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
    • E04D3/352—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material at least one insulating layer being located between non-insulating layers, e.g. double skin slabs or sheets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0421—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section comprising one single unitary part
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0473—U- or C-shaped

Definitions

  • the present invention relates to a self-supporting metal wave for building cover.
  • each of these metal waves is constituted by a section of sheet metal which is arched transversely so as to have an arcuate cross section, the two longitudinal edges of this section of sheet metal being taken in profiles and fixed to the ends of those -ci, after having preferably undergone a prestress in the longitudinal direction.
  • the present invention relates to improvements made to a self-supporting metal wave of this type with the aim of mainly increasing its rigidity and its thermal insulation properties.
  • this self-supporting metal wave for building roofing in sheet metal stiffened laterally by two longitudinal sections and having an arcuate cross section, comprising two sections of sheet metal bent transversely, parallel to one another and located one at above the other, the longitudinal edges of these two sheet metal sections being fixed to the two lateral sections is characterized in that the space between the two sheet metal sections is filled with an injected foaming plastic material ensuring thermal insulation.
  • the invention also relates to a method of manufacturing a self-supporting metal wave for building roofing, made of sheet metal stiffened laterally by two longitudinal sections and having an arcuate cross section, characterized in that a first strip of sheet metal is unwound, it is arched transversely to give it an arcuate cross section, its longitudinal edges are engaged in two parallel longitudinal sections, the sheet metal strip is unwound over the entire length of the longitudinal sections, the sheet is fixed at the ends of the two profiles, the sheet metal section is cut transversely to separate it from the rest of the sheet coil, and the same operations are repeated with a second strip of sheet pulled and placed between the profiles, above the first strip of sheet , then a foaming plastic material is injected into the space between the two parallel sheet metal sections, in order to finally obtain a self-supporting one-piece metal wave made up of two superposed sheet metal sections, spaced from one another and held laterally by the two longitudinal sections, with internal thermal insulation.
  • the self-supporting metal wave according to the invention offers the advantage that it can be implemented, due to its very high rigidity, on a light framework and with a very reduced staff. Because of its own rigidity and the importance of the longitudinal sections which form part of it, it ensures the transverse stability of a building in which it is used to constitute the roof. Because of this transverse stability, which is ensured by the self-supporting metal waves themselves, it is possible to achieve a significant gain on the supporting metal frame itself.
  • the self-supporting metal wave according to the invention also offers the advantage of making it possible to produce very good quality insulation by injecting an insulating product into its internal volume.
  • this self-supporting wave can be manufactured at a high rate and it can therefore have a particularly low cost price.
  • FIG 1 is shown schematically, in plan, the entire bench on which is produced the self-supporting wave according to the invention.
  • This self-supporting metal wave intended to constitute a covering of a building is produced from a sheet metal strip 1 unwound flat from a coil 2 mounted on an unwinder.
  • This unwinder is unique when the same sheet 1 is used to constitute the two sections of upper and lower sheet, as will be seen below, or else the installation may include a second unwinder, these two unwinders being mobile and being able to be used alternately to unwind the lower sheet first, then the upper sheet.
  • the sheet metal strip is pulled horizontally on a bench 3 by means of a clamp 4 firmly holding the front edge 1a of the sheet 1 and which is driven longitudinally by a chain 5 moved by a motor 6 placed at the end of the bench 3.
  • bosses 8 distributed along the edges of this sheet, at regular intervals.
  • These bosses 8 may have, for example, a cross section in the shape of a right triangle, as shown in FIG. 2.
  • the hypotenuse 8a of this right triangle connects to the longitudinal edge 1b of the sheet 1 and it is inclined towards downwards and inwards, while the short side 8b of the right triangle extends vertically from the hypotenuse 8a, to connect to the plane of the sheet 1.
  • Each of the bosses 8 thus has a shape in saw teeth and these bosses are arranged symmetrically with respect to the longitudinal and vertical median plane zz 'of the sheet 1.
  • the sheet 1 is bent progressively so as to have an arcuate shape, as it appears in FIG. 3.
  • the sheet thus bent is engaged between two longitudinal sections 9 arranged symmetrically with respect to the median plane vertical and longitudinal z-z '.
  • Each of these two sections 9 which are carried by the bench 3 has a cross section substantially in the form of an asymmetrical C and it more particularly comprises a vertical core 9a from which depart, in the direction of the plane, z-z ', from a share a lower horizontal wing 9b, of small width, and, on the other hand, an upper wing 9c of greater width than the lower wing 9b and inclined from bottom to top in the direction of the plane z-z '.
  • the lower horizontal wing 9b ends in an extreme wing 9d, of small height, which is folded slightly in the direction of the core 9a.
  • the upper wing 9c it ends with an extreme wing 9e, of low height, which is inclined slightly up and down in the direction of the plane z-z '.
  • the lower sheet metal section is thus retained and hung, along its longitudinal edges, by the bosses 8 in the form of teeth which come to lock on the upper edge of the lower extreme wing 9d, as can be seen more particularly on the Figure 3. These bosses 8 slide along this edge, while the sheet is pulled with its arcuate shape.
  • the two sections 9 are held parallel to each other by transverse spacers or hoops 11 which are constituted by arcs of rigid circles located in vertical and transverse planes distant from each other. These hoops 11 are fixed, at their two ends, to the two sections 9 and they serve as support by their lower and upper faces, to the sheet metal sections constituting the self-supporting metal wave, as will be seen below.
  • Each of the hoops 11 advantageously has an I-shaped cross section.
  • the upper plate 15 thus arched passes over the upper surfaces of the hoops 11 and its longitudinal marginal parts slide on the upper extreme wings 9e of the profiles 9.
  • the unwinding is stopped, the block is blocked.
  • unwinder a traction is exerted by means of the jack 12, as in the case of the lower sheet, and the upper sheet section 15 is thus fixed in position, thus prestressed.
  • This fixing is carried out by means of members such as self-tapping screws passing through the longitudinal marginal parts of the section of sheet metal 15 as well as the upper end wings 9e of the profiles 9.
  • a cross section is then made to separate the section of sheet metal 15 rest of coil 2.
  • a self-supporting metal wave is then obtained constituted by the two longitudinal sections 9 braced by the hoops 11 and between which extend the two sections of arcuate and superposed sheet metal 1 and 15.
  • This wave self-supporting has a very high rigidity and it offers the advantage of also making it possible to achieve very good thermal insulation.
  • a plastic foam 16 is injected into the internal volume delimited between the two superposed sheet metal sections 1 and 15 and the longitudinal sections 9. This injection of foam can be carried out, on one side, through holes 17 provided in one of the profiles 9 and more particularly in its upper core 9c, the air being inside being evacuated by similar holes 17 provided in the other profile 9. The foam thus injected completely fills the interval between the two sections of sheet metal 1 and 15.
  • the self-supporting metal wave according to the invention can be used to make a building covering as illustrated in FIG. 8.
  • Each self-supporting metal wave 18 consists of two superposed sheet metal sections 1, 15, two longitudinal sections 9 and the insulation 16 rests on a light framework which includes posts 19 and horizontal load-bearing beams 21.
  • the covers 22 are advantageously clipped onto the profiles 9.
  • FIG. 9 illustrates the installation of a dome 24 resting on two sections 9 distant from each other and serving either for lighting or for protection against fire.
  • the dome 23 integrates perfectly, from an aesthetic point of view, with the characteristics of the self-supporting metal frames according to the invention.
  • FIG. 10 illustrates an alternative embodiment of a longitudinal profile 25 on which the lower and upper sheet metal sections 1 are fixed.
  • This profile is intended to be used at the places where the domes 24 are placed.
  • This profile 25 comprises a lower horizontal wing 25b, a lower extreme wing 26d, an upper wing 25c and an upper extreme wing 25e which are respectively similar to the wings 9b, 9d, 9c and 9e.
  • the vertical core of the profile 25 is made in three parts with an intermediate recess, namely a vertical lower part 25f, connected to the lower horizontal wing 25b, a part forming an intermediate recess 25g starting from the upper edge of the lower part 25f and slightly inclined downwards towards the hoop 11, and a part upper vertical 25h connected to the upper wing 25c.
  • the intermediate step 25g serves as a support for a lower polyester sheet 26 of the dome 24, while the upper polyester sheet 27 of the dome is supported on the upper wing 25c.
  • a vertical yoke 28 is fixed to the upper part 25h of the core of the profile 25 and this yoke is used for fixing the intermediate spacer 29.
  • the two sheet metal sections 1 and 2 are fixed, by their marginal parts, to longitudinal sections 32, each of which comprises a vertical core 32a extended at its ends, by the same side, by two upper horizontal wings 32b and lower 32c, the lower wing 32c being a little shorter than the upper wing 32b.
  • the upper horizontal wing 32b is in its entirety extended by an extreme wing 32d inclined upwards and towards the plane of the vertical core 32a at an angle ⁇ close to 90 °.
  • This extreme wing 32d is also folded outwards to form a pin 32e with a V-shaped cross section and the tip of which is inclined slightly downwards.
  • this pin 32e are housed the bosses 31 provided along the edge of the upper sheet metal section 2.
  • the lower horizontal wing 32c is extended, at its end, by an extreme wing 32f which is inclined upwards and towards the vertical core 32a by an angle b less than the angle a of the wing extreme upper 32d.
  • This extreme wing 32f is in turn terminated by a part folded into a pin 32g, which forms a V whose tip extends substantially horizontally. Inside this pin 32g are housed the bosses 31 provided along the edge of the lower sheet section 1.
  • the two sections of lower sheet 1 and upper sheet 2 are fixed respectively to the inclined end wings 32f and 32d by means of screws not shown in detail.
  • Rings 11 are fixed, at their upper ends, under the upper horizontal wing 32b, by welding. These hoops 11 have the role of maintaining the profile 32 with longitudinal buckling and giving the rounded shape to the structure. These hoops 11 can be made of T-iron or tubular profiles. The hoops 11 can be supported either under the upper sheet section 2, as shown in FIG. 11, or on the lower sheet section 1 or else there can be no contact with these sheet sections.
  • gussets 33 On the vertical core 32a of the profile 32 are fixed gussets 33 which are used for the recovery of hoops 34 which are arranged in line with the domes 24.
  • a wing 35a of an auxiliary part 35 in the form of an obtuse dihedral On the inner face of the upper extreme wing 32d is fixed a wing 35a of an auxiliary part 35 in the form of an obtuse dihedral, the other wing 35b of the dihedral part 35 being inclined upwards in direction of the vertical plane containing the core 32a of the profile.
  • This support piece 35 serves to fix the dome 24 which is made up of two polyester elements 26 and 27 slightly spaced from each other in order to provide insulation.
  • the internal space of the profile 32 as well as the space between the two sections of sheet metal 1 and 2 is filled with an insulating foam 16.
  • Figure 12 illustrates the assembly of two sections 32 arranged back to back, that is to say whose vertical webs 32a are joined.
  • the assembly of the two sections 32 is carried out by means of brackets 36 which are fixed, by a horizontal wing, to the horizontal wing 32b of each section 32 and whose vertical wing is in the vertical plane of the core 32a.
  • the two sections are assembled so as to obtain, when the elements are combined, a contact of the lower parts of the two sections before the upper parts, so that the two cores 32a are properly applied. quées one against the other when the two brackets 36 are bolted together.
  • These brackets 36 therefore make it possible to combine two sections 32 on the construction site and they only require intervention from above, which offers maximum safety during assembly.
  • a cap 37 is mounted by clipping onto the two upper pins 32e and it provides a seal between the two assembled profiles 32.
  • Glass wool 38 or any other insulating material fills the empty space between the two sections 32 and the cap 37. The rest of the empty space is filled, as before, with insulating foam 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Building Environments (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
EP83401218A 1982-06-15 1983-06-14 Selbsttragendes metallisches, wellenförmiges Bauelement für ein Gebäudedach Expired EP0097104B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83401218T ATE23594T1 (de) 1982-06-15 1983-06-14 Selbsttragendes metallisches, wellenfoermiges bauelement fuer ein gebaeudedach.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8210387A FR2528480A2 (fr) 1982-06-15 1982-06-15 Onde metallique autoporteuse pour couverture de batiment et son procede de fabrication
FR8210387 1982-06-15

Publications (2)

Publication Number Publication Date
EP0097104A1 true EP0097104A1 (de) 1983-12-28
EP0097104B1 EP0097104B1 (de) 1986-11-12

Family

ID=9275004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83401218A Expired EP0097104B1 (de) 1982-06-15 1983-06-14 Selbsttragendes metallisches, wellenförmiges Bauelement für ein Gebäudedach

Country Status (4)

Country Link
EP (1) EP0097104B1 (de)
AT (1) ATE23594T1 (de)
DE (1) DE3367643D1 (de)
FR (1) FR2528480A2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001011161A1 (en) * 1999-08-10 2001-02-15 East Richard Self supporting composite roofing panel
AU2003213494B2 (en) * 1998-02-16 2005-07-28 Richard George East Improvements in construction of buildings

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225872A (en) * 1962-12-31 1965-12-28 Nat Steel Corp Structural member
US3611666A (en) * 1970-03-10 1971-10-12 Republic Steel Corp Sheet metal box beam
FR2115125A1 (de) * 1970-11-19 1972-07-07 Lima Et Cie
DE2100421A1 (en) * 1971-01-07 1972-08-03 Rosenkranz, Christian, Dipl.-Ing., 2800 Bremen Self-supporting prefab element - for shell-type roof structures
FR2122715A5 (de) * 1971-01-21 1972-09-01 Velut Jean
FR2510642A1 (fr) * 1981-07-31 1983-02-04 Pizzone Mario Procede de fabrication d'ondes metalliques autoporteuses et couverture de batiment realisee a partir de ces ondes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2158115A2 (de) * 1971-11-03 1973-06-15 Velut Jean

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225872A (en) * 1962-12-31 1965-12-28 Nat Steel Corp Structural member
US3611666A (en) * 1970-03-10 1971-10-12 Republic Steel Corp Sheet metal box beam
FR2115125A1 (de) * 1970-11-19 1972-07-07 Lima Et Cie
DE2100421A1 (en) * 1971-01-07 1972-08-03 Rosenkranz, Christian, Dipl.-Ing., 2800 Bremen Self-supporting prefab element - for shell-type roof structures
FR2122715A5 (de) * 1971-01-21 1972-09-01 Velut Jean
FR2510642A1 (fr) * 1981-07-31 1983-02-04 Pizzone Mario Procede de fabrication d'ondes metalliques autoporteuses et couverture de batiment realisee a partir de ces ondes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CAHIERS DU CENTRE SCIENTIFIQUE ET TECHNIQUE DU BATIMENT, vol. 220, no. 1712, juin 1981, pages 1-16, Paris, FR. *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003213494B2 (en) * 1998-02-16 2005-07-28 Richard George East Improvements in construction of buildings
WO2001011161A1 (en) * 1999-08-10 2001-02-15 East Richard Self supporting composite roofing panel

Also Published As

Publication number Publication date
DE3367643D1 (en) 1987-01-02
ATE23594T1 (de) 1986-11-15
EP0097104B1 (de) 1986-11-12
FR2528480B2 (de) 1985-04-26
FR2528480A2 (fr) 1983-12-16

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