EP0444371B1 - Stütz- und Lastverteilungselement für mit flachen Ziegeln bedecktes Dach, und dieses Element enthaltendes Dach - Google Patents

Stütz- und Lastverteilungselement für mit flachen Ziegeln bedecktes Dach, und dieses Element enthaltendes Dach Download PDF

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Publication number
EP0444371B1
EP0444371B1 EP90403792A EP90403792A EP0444371B1 EP 0444371 B1 EP0444371 B1 EP 0444371B1 EP 90403792 A EP90403792 A EP 90403792A EP 90403792 A EP90403792 A EP 90403792A EP 0444371 B1 EP0444371 B1 EP 0444371B1
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EP
European Patent Office
Prior art keywords
roof
roofing
cross
piece
under
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 - Lifetime
Application number
EP90403792A
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English (en)
French (fr)
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EP0444371A1 (de
Inventor
Leone Luparini
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.)
SOCIETE O.F.I.C. OMNIUM FRANCAIS INDUSTRIEL ET COM
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Ofic Omnium Francais Industriel Et Commercial Ste
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
    • E04D12/004—Battens
    • E04D12/006—Batten-supporting means
    • 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
    • E04B7/20—Roofs consisting of self-supporting slabs, e.g. able to be loaded
    • E04B7/205—Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having non-structural supports for roofing materials
    • 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
    • E04D3/36—Connecting; Fastening
    • E04D3/3608—Connecting; Fastening for double roof covering or overroofing

Definitions

  • the present invention relates to a support element and load distribution for flat tiled roof.
  • Corrugated sheets of the "Flexoutuile" type are particularly intended for the roofing of roofs with channel tiles.
  • the use of this material to constitute the under-roofing of canal tile roofs receives a double application.
  • the sub-roofs made with such materials have great qualities: on the one hand, they make the roof waterproof, and on the other hand, they guarantee a natural ventilation of it.
  • the fixing of battens on the corrugated plates has many disadvantages. Due to the corrugated shape of the roofing, the weight of the battens and tiles is carried almost entirely by the top of the convex undulations (seen from the outside of the roof) which then tend to deform. As a result, the sub-roof is weakened and in addition, the deformation of the corrugated plate can prevent proper ventilation of the roof as well as the flow of water possibly infiltrated through a defective tile.
  • a support element and load distribution for flat tiled roof consisting of a corrugated roofing whose corrugations are arranged substantially in the direction of the roof slope, and on which are fixed battens substantially perpendicular to the direction of said roof slope, capable of receiving the tiles after interposition of support elements and load distribution between the battens and the under -Roof at determined intervals.
  • This type of known element being each placed in contact on the one hand with a batten, at the level of at least one convex undulation of the roofing (seen from the outside), and on the other hand with at least one concave undulation of the roofing.
  • Each of these known elements is placed in contact with a single batten, at the level of a single convex undulation of the sub-roof, and with each of the two concave undulations of the sub-roof which are adjacent to said convex undulation and share and other of the latter.
  • said elements and the battens are fixed to the corrugated sub-roofing, or even also to the load-bearing structure of the roof (frame, concrete slabs, etc.), by the same fixing means.
  • this has proven to be inconvenient for the installer, who must control the position of several parts at the same time, while performing the fixing operation by nailing, screwing, etc.
  • the object of the present invention is to remedy this drawback, and for this purpose relates to a method for producing a flat-tiled roof according to which a support structure is laid, a corrugated sheet sub-roof, the corrugations of which are arranged substantially in the direction of the slope of the roof, battens are fixed to said sub-roof, substantially perpendicular to the direction of said slope of the roof, said battens being capable of receiving the tiles, and support and load distribution elements are placed between the battens and the sub-roof at determined intervals, characterized in that each support and load distribution element, consisting of a tubular spacer is disposed in a concave corrugation of the roofing, in contact on the one hand with a batten and on the other hand with the bottom of said concave corrugation.
  • the intervals between said support and load distribution elements are determined so as to appropriately distribute the load of battens and tiles on the sub-roof.
  • the invention also relates to a support element for implementing the method of the invention characterized in that it consists of a tubular spacer which is a portion of cylinder of which one of its ends comprises a retaining heel s 'extending substantially radially outward from said cylinder, and capable of coming into abutment with a batten, in a direction of introduction directed down the slope of the roof.
  • the retaining heel of the spacer is a tab arranged in a sailie on the cylinder portion, and whose lateral edges merge with two parallel tangents of said cylinder portion.
  • the spacer comprises, at its lower part opposite the retaining heel, an external longitudinal groove capable of constituting, with the bottom of a concave corrugation, a water evacuation conduit.
  • the external diameter of the spacer is at least equal to the distance between the bottom of a concave corrugation and the lower face of a strip opposite said corrugation.
  • the external diameter of the spacer is greater than the distance between the bottom of a concave corrugation and the underside of a strip opposite said corrugation.
  • the spacer is obtained in a single piece by injection molding of a thermoplastic material capable of giving it a power of radial elastic deformation in compression.
  • the external radius of the cylinder portion constituting the spacer is substantially identical to the radius of a concave undulation which it marries by contact at its lower part.
  • the portion of cylinder constituting the spacer comprises, in its part opposite the heel, a longitudinal draft external able to facilitate its introduction between a strip and a concave undulation, with or without the help of a hammer.
  • the bore of the cylinder portion constituting the spacer comprises a rib, preferably of cross-shaped section, the center of which merges with the axis of said cylinder.
  • a reinforcement rib in the shape of a cross prevents, without interfering with the ventilation of the roof, the penetration of small animals, such as rodents, under the tiles of the roof, which is another advantage of the invention.
  • the branches of the cross-shaped rib may be, one vertical, and the other horizontal, if the element is intended for a roof having to withstand an overload, for example of snow.
  • an internal reinforcing rib in the form of a cross with branches inclined by about 45 ° on the vertical.
  • the invention also relates to a flat tiled roof consisting of a sub-roof placed on a load-bearing structure and made of corrugated sheets on which are fixed battens receiving tiles and between the battens the sub-roof of which are interposed elements of support and load distribution for implementing the method according to the invention.
  • the roof firstly comprises a supporting structure 1.
  • This supporting structure can for example be a concrete or composite material slab, or even a wooden frame.
  • Corrugated plates 2 are placed on this supporting structure 1. These plates 2 are fixed according to a method known to those skilled in the art, so as to produce a waterproof under-roof.
  • the roof further comprises battens 5 which are arranged substantially perpendicular to the slope of the roof.
  • battens can for example be made of wood. They ensure the positioning of the tiles on the roofing and above all they prevent the tiles from sliding on it. The intervals between the battens are determined by the geometry of the tiles used.
  • the recess 7 of a first tile 6 is placed upstream and rests on a first batten 5.
  • the step 10 of a second tile 11 is placed on a second batten 9 adjacent and downstream.
  • the part 8 comprising asperities of the first tile 6 rests on the upstream part of the second tile 11, which itself rests on the second strip 9.
  • Each element 3 consists of a tubular spacer placed in a concave corrugation 2 a of the under-roof 2, in contact on the one hand with a batten 9 or 5 and on the other hand with the bottom of said concave corrugation 2 a on a relatively large surface on either side of the axis XX ′ thereof.
  • Element 3 has a shape adapted to the profile of the sheets of the roofing.
  • these are plates with curved undulations, but the invention could of course be applied to plates forming slots of quadrangular profile, in particular polygonal.
  • the spacer 3 is produced in a portion of a hollow cylinder, this so as not to oppose the runoff of water in the corrugations, nor the passage of ventilation air from the roof.
  • the dimensions of the spacer 3 are such as to allow its introduction into a concave corrugation 2 a , after laying of the battens 5 placed at determined intervals on the sub-roof 2 in corrugated sheets.
  • the battens 5 are fixed by screws or nails 4 on the single sub-roof 2, substantially at the level of the convex vertices 2b , or else passing through it to be fixed on the supporting structure 1, thus immobilizing the battens 5 and the sub-roof 2 relative to the latter.
  • the external diameter "D" of the portion of cylinder constituting the spacer 3 is at least equal to the distance "d" between the interior bottom of a concave corrugation 2 a and the underside 5 a of a facing strip 5 of said corrugation, so that the spacer 3 marries by contact said bottom of the concave corrugation 2 has to form a symmetrically distributed contact area.
  • the diameter "D" is greater than the distance "d", because the aim is to prevent the weight of the battens 5, 9, etc ... and the tiles 6, 11, etc ... constituting the roof from being directly transmitted over the small area of the peaks convex waves 2 b of corrugated plates 2, so as to transmit and distribute substantially all this weight on the bearing structure 1 by means of spacers 3 bearing by larger surfaces on the concave waves 2 a , themselves resting on the supporting structure 1.
  • the spacer is made of a synthetic material such as polyethylene so as to allow its compression by a value equal to the difference "e", by radial elastic deformation, in particular for roofs without overloading.
  • a synthetic material such as polyethylene
  • the spacer 3 comprises, at one of its ends, a retaining heel 12 extending radially towards the outside of the cylinder and capable of coming into abutment with a batten 5, 9, in a direction F of introduction directed towards the down the slope of the roof.
  • the spacers 3 can be arranged by tight fitting under the battens 5, 9, without any fixing means and completely independently of the fixing of said battens.
  • the retaining heel 12 of the spacer 3 is a lug projecting from the cylinder portion at one of its ends 3 a , and whose lateral edges 12 a and 12 b coincide with two parallel tangents of said cylinder constituting the spacer 3.
  • the spacer 3 has at its lower part 3b , opposite the retaining heel 12, an external longitudinal groove 13 parallel to the axis YY 'of the spacer 3, capable of constituting with the bottom of a concave corrugation 2 a , on which rests the spacer 3, a water discharge conduit. This is to prevent, during small runoffs due for example to condensation and gathering in the undulations, that water accumulations occur behind the threshold 14 formed by the very thickness of the cylindrical wall of the spacer 3.
  • the introduction part 3 c opposite the heel 12 comprises a longitudinal relief 15 forming a chamfer , able to allow its easy introduction between the battens 5, 9 and a concave corrugation 2 a , with or without the aid of a hammer or mallet.
  • the draft 15 is double and is constituted by two inclined planes 15 a and 15 b respectively formed at an upper part 3 d and lower 3 b of the spacer 3.
  • the introduction can thus be done manually and possibly be completed by a few hammer blows applied to the opposite part of the spacer 3 at the heel 12 which then constitutes a reinforcement of this part.
  • element 3 In addition to the shape conditions which element 3 must fulfill in order to allow a good adequacy to the sub-roof used, it must have sufficient strength to support without permanent deformation the weight of the battens and tiles as well as the possible overload due to snow and wind. Adequate resistance can be given to the elements 3 by giving them a relatively large thickness or by giving them a thickness less important but a complex form.
  • an alternative embodiment ( Figure 5) of the bore 3 e of the cylinder portion constituting the spacer 3 comprises a reinforcing rib 16 of cross-shaped section whose center O is located on the axis YY 'of said cylinder.
  • the rib 16 is preferably a cross of Saint Andrew, whose branches 16 a are inclined substantially at 45 ° to the vertical, so that the branches 16 a constituting it are not likely to constitute an obstacle to the runoff of water.
  • this gives said spacer 3 a reinforcement which does not oppose the radial deformation of said spacer 3 in compression under the weight of the cleats 5, 9 and the tiles 6, 11 that beyond a useful deformation to its implementation.
  • the cross rib is made on a vertical branch and the other horizontal, as shown in phantom in 16 b on the Figures 4 and 5, for reasons of resistance.
  • This embodiment reduces the element's deformation capacity, but is necessary to resist, without exceeding the elastic limit, a load of around 80 daN per element.
  • the vertical branch 16 b is of a thickness (for example around 3 mm) preferably greater than that of the horizontal branch 16 b (for example around 1 mm).
  • the 12 locking stub may be partially hollowed out 17 a and 17 b, in its face on the side opposite the tubular portion, and between marginal rib and a vertical rib 18 and central 19 which have substantially the same thickness as the vertical leg 16 b of the reinforcing rib internal cross-shaped.
  • the internal cross-shaped rib prevents small animals from entering under the tiles without hampering ventilation.
  • the support and load distribution element constituted by the spacer 3 is obtained in a single piece by injection molding.
  • the invention makes it possible to use, for producing flat tiled roofs, materials which are specially designed for roofs with canal tiles while retaining the properties which these sub-roofs present in the context of roofs with canal tiles .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Claims (12)

  1. Verfahren zur Ausführung eines Daches aus flachen Ziegeln, bei dem auf einen tragenden Aufbau eine Unterdachkonstruktion (2) aus Welltafeln gelegt wird, deren Wellen im wesentlichen in Richtung der Dachschräge angeordnet sind, wobei auf der genannten Unterdachkonstruktion Leisten (5, 9) im wesentlichen senkrecht zur Richtung der genannten Dachschräge befestigt werden, wobei die genannten Leisten fähig sind, die Ziegel (6, 11) aufzunehmen, und wobei Stütz- und Lastverteilungselemente (3) zwischen den Leisten (5, 9) und der Unterdachkonstruktion (2) in bestimmten Abständen angeordnet werden, dadurch gekennzeichnet, daß jedes Stütz- und Lastverteilungselement (3), das aus einem röhrenförmigen Abstandsstück besteht, in einer konkaven Welle (2a) der Unterdachkonstruktion (2) in Kontakt einerseits mit einer Leiste (5, 9) und andererseits mit dem Boden der genannten konkaven Welle (2a) angeordnet wird.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Abstände zwischen den genannten Stütz- und Lastverteilungselementen (3) so bestimmt sind, daß sie auf geeignete Weise die Last der Leisten (5, 9) und der Ziegel (6, 11) auf die Unterdachkonstruktion verteilen.
  3. Stützelement zur Durchführung des Verfahrens nach den Ansprüchen 1 oder 2, dadurch gekennzeichnet, daß es aus einem röhrenförmigen Abstandsstück (3) besteht, das ein Zylinderteil ist, dessen eines Ende (3a) einen Rückhalteansatz (12) umfaßt, der sich im wesentlichen radial von dem genannten Zylinder nach außen erstreckt und fähig ist, bei in Richtung der Dachschräge abwärts gerichteter Einführungsrichtung (F) an einer Leiste (5, 9) zur Anlage zu kommen .
  4. Element nach Anspruch 3, dadurch gekennzeichnet, daß der Rückhalteansatz (12) des Abstandsstücks (3) eine Lasche ist, die auf dem Zylinderteil vorspringend angeordnet ist und deren Seitenkanten (12a, 12b) mit zwei parallelen Tangenten des genannten Zylinderteils zusammenfallen .
  5. Element nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, daß das Abstandsstück (3) an seiner dem Rückhalteansatz (12) entgegengesetzten Unterseite (3b) eine äußere, längliche Auskehlung (13) umfaßt, die fähig ist, mit dem Boden einer konkaven Welle (2a) einen Wasserablaufkanal zu bilden.
  6. Element nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß der äußere Durchmesser (D) des Abstandsstücks (3) wenigstens gleich dem Abstand (d) zwischen dem Boden einer konkaven Welle (2a) und der Unterseite (5a) einer der genannten Welle (2a) gegenüberliegenden Leiste (5) ist.
  7. Element nach Anspruch 6, dadurch gekennzeichnet, daß der Durchmesser (D) des Abstandsstücks (3) größer als der Abstand (d) zwischen dem Boden einer konkaven Welle (2a) und der Unterseite (5a) einer der genannten Welle gegenüberliegenden Leiste (5) ist.
  8. Element nach einem der Ansprüche 3 bis 7, dadurch gekennzeichnet, daß das Abstandsstück (3) einstückig durch Spritzgießen eines thermoplastischen Materiales erhalten wird, das geeignet ist, ihm ein elastisches radiales Verformungsvermögen auf Druck zu verleihen.
  9. Element nach einem der Ansprüche 3 bis 8, dadurch gekennzeichnet, daß der äußere Radius des das Abstandsstück (3) bildenden Zylinderteils im wesentlichen mit dem Radius einer konkaven Welle (2a) identisch ist, der er sich bei Kontakt mit seiner Unterseite (3b) anpaßt.
  10. Element nach einem der Ansprüche 3 bis 9, dadurch gekennzeichnet, daß der das Abstandsstück (3) bildende Zylinderteil an seinem dem Ansatz (12) entgegengesetzten Teil (3c) eine äußere, längliche Verjüngung (15a, 15b) umfaßt, die fähig ist, seine Einführung zwischen einer Leiste (5, 9) und einer konkaven Welle (2a) mit oder ohne Hilfe eines Hammers zu erleichtern.
  11. Element nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Bohrung (3e) des das Abstandsstück (3) bildenden Zylinderteils eine Rippe (16) vorzugsweise mit einem Querschnitt in Form eines Kreuzes, dessen Zentrum (0) sich auf der Achse (YY′) des genannten Zylinders befindet, umfaßt.
  12. Dach aus flachen Ziegeln, das aus einer Unterdachkonstruktion (2) besteht, die auf einen tragenden Aufbau gesetzt und aus Welltafeln ausgeführt ist, auf denen die Ziegel (6, 11) aufnehmende Leisten (5, 9) befestigt sind, und wobei zwischen den Leisten und der Unterdachkonstruktion Stütz- und Lastverteilungselemente (3) eingefügt sind, dadurch gekennzeichnet, daß die genannten Elemente (3) Abstandsstücke nach einem der Ansprüche 3 bis 11 sind.
EP90403792A 1990-02-28 1990-12-27 Stütz- und Lastverteilungselement für mit flachen Ziegeln bedecktes Dach, und dieses Element enthaltendes Dach Expired - Lifetime EP0444371B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9002544 1990-02-28
FR9002544A FR2658848B1 (fr) 1990-02-28 1990-02-28 Element de support et de repartition de charges pour toit en tuiles plates et toit le comportant.

Publications (2)

Publication Number Publication Date
EP0444371A1 EP0444371A1 (de) 1991-09-04
EP0444371B1 true EP0444371B1 (de) 1994-08-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP90403792A Expired - Lifetime EP0444371B1 (de) 1990-02-28 1990-12-27 Stütz- und Lastverteilungselement für mit flachen Ziegeln bedecktes Dach, und dieses Element enthaltendes Dach

Country Status (5)

Country Link
EP (1) EP0444371B1 (de)
AT (1) ATE109537T1 (de)
DE (1) DE69011313T2 (de)
FR (1) FR2658848B1 (de)
PT (1) PT96902A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2755639B1 (fr) * 1996-11-12 1999-01-29 Onduline Sa Machine pour reprofiler des materiaux ondules
EP2261110B1 (de) * 2008-03-03 2019-08-21 Samsung Heavy IND. CO., LTD. Verstärkungsteil für membran einer flüssigerdgasfracht, membrananordnung damit und konstruktionsverfahren dafür

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993571A (en) * 1957-07-01 1961-07-25 Elgrin C Hawkins Roof anchor
CH384838A (de) * 1961-03-20 1965-02-26 Frieden Ernst Dachlattung zum Halten der Ziegel
DE2939730A1 (de) * 1979-10-01 1981-04-16 Isopag AG, Triesen Dachlatte
DE3209348C2 (de) * 1982-03-15 1986-08-07 Helfrecht, Manfred, 8598 Waldershof Unterdach für mit Dacheindeckungsplatten eingedeckte Dächer
DE8632630U1 (de) * 1986-12-05 1987-07-23 Bieber, Heinz, 6339 Bischoffen Befestigungselement

Also Published As

Publication number Publication date
FR2658848A1 (fr) 1991-08-30
DE69011313D1 (de) 1994-09-08
FR2658848B1 (fr) 1992-07-03
PT96902A (pt) 1993-01-29
ATE109537T1 (de) 1994-08-15
EP0444371A1 (de) 1991-09-04
DE69011313T2 (de) 1995-01-19

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