EP0016749A1 - Roof - Google Patents

Roof Download PDF

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Publication number
EP0016749A1
EP0016749A1 EP19800890031 EP80890031A EP0016749A1 EP 0016749 A1 EP0016749 A1 EP 0016749A1 EP 19800890031 EP19800890031 EP 19800890031 EP 80890031 A EP80890031 A EP 80890031A EP 0016749 A1 EP0016749 A1 EP 0016749A1
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EP
European Patent Office
Prior art keywords
roof
edge strips
longitudinal
longitudinal edge
bead
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Granted
Application number
EP19800890031
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German (de)
French (fr)
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EP0016749B1 (en
Inventor
Franz Ragailler
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Cessione peneder Stahl - und Hallenbau GmbH
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Individual
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1643—Insulation of the roof covering characterised by its integration in the roof structure the roof structure being formed by load bearing corrugated sheets, e.g. profiled sheet metal roofs
    • E04D13/165—Double skin roofs
    • 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

Definitions

  • the invention relates to a roof of self-supporting roof elements lined up side by side to form a roof skin, each of which consists of a thin-walled, rectangular sheet which is curved upwards both in the longitudinal direction and in the transverse direction and which follows the course of the longitudinal curvature, roof-shaped or bead-shaped longitudinal strips has, which overlap the edge strip of the adjacent roof element and are connected to this.
  • roof elements consist of a sheet profile that is only curved in the transverse direction, which can only withstand a small amount, particularly with thin sheets and not too strong a curvature due to bending. Larger spans can therefore only be achieved by a significantly larger curvature, which is usually undesirable, or by considerable sheet thicknesses, which in turn increases the material consumption and the roof weight significantly.
  • self-supporting roof elements are known (AT-PS 311 631), which are arched not only in the transverse direction but also in the longitudinal direction and have an edge stiffening in the form of roof-like or bead-like longitudinal edge strips.
  • This double deformation and the Edge strips despite thin-walled sheets, achieve a high bending strength of the roof elements, so that comparatively large spans can be achieved with a small amount of material.
  • these roof elements are not in themselves suitable for additional loads. Roofs with a double roof skin can therefore not be produced from these known roof elements.
  • the second roof skin creates an additional load for the lower roof skin. This problem does not occur with known plate-shaped roof elements (CH-PS 583 355), since the lower roof skin can be supported over the entire span on support beams, which should be avoided especially with the curved roof elements.
  • the invention is therefore based on the object to avoid these deficiencies and to improve a roof of the type described in such a way that it can also be double-skin.
  • the invention solves this problem in that the longitudinal edge stiffeners form, in a manner known per se, an upwardly open double channel profile and in that spacers are attached to the bead-shaped part between the two channels of the superimposed longitudinal edge strips and distributed over their length. wear a second parallel roof skin from the same roof elements.
  • the double channel section of the Leksrandstrei f s gives a greater rigidity, which brings on the one hand an increase of the achievable span with it and on the other hand the joining of the superimposed cross edge strips of adjacent roof elements facilitated, because the respective lower edge strip at a mounting can no longer above avoid.
  • the greater edge rigidity of the roof elements which is forced by the double channel profile, also makes it possible to absorb the load caused by a second roof skin during roof assembly.
  • the inherent load-bearing capacity of the second roof skin can be fully exploited due to its vaulting effect by achieving a bond between the two roof skins via the spacers.
  • the two roof skins form a carrier consisting of an upper and lower flange.
  • roof elements with longitudinal edge strips which are overlapped by the adjacent roof element and form an open double channel profile are known per se (CH-PS 601 606).
  • the longitudinal edge strips run in a straight line, so that the roof profile can be supported on main beams via these longitudinal edge strips, which is not possible in roof elements according to the invention because of the longitudinal curvature. This results in special conditions, especially when a second roof skin is to be put on.
  • double-walled roofs are known, this state of the art cannot give any teaching for the construction of double-skin roofs with curved roof elements, because, as has already been stated, the load-bearing capacity of these roof elements was used for larger spans and not for additional loads.
  • the spacers can each consist of two connecting flanges which are attached to the bead-shaped part between the two channels of the longitudinal edge strips and which are connected to one another from above and below by a web, via which the necessary shear-resistant connection is readily possible.
  • individual self-supporting roof elements 1 which are curved upwards both in the longitudinal direction and in the transverse direction and consist of thin-walled, rectangular sheets, are lined up next to one another in such a way that the longitudinal edge strips 2 following the course of the longitudinal curvature overlap .
  • These longitudinal edge strips 2 form an upwardly open double channel profile with an outer and inner channel 3 and a bead-shaped part 4 between the two channels 3. This ensures good water tightness because the water flowing off along the roof elements in the direction of arrow 5 of FIG. 1 , which penetrates between the two edge strips 2, cannot reach the underside of the roof skin. It is caught in the outer groove 3 in any case, even if it should flow over the bead-shaped part 4.
  • This profile shape of the longitudinal edge strips 2 can also be used to drain off condensed water which flows off in the direction of the arrow 6 (FIG. 1).
  • the rainwater or the like flowing in the direction of arrow 5 is collected on the outer sealing skin, while the condensation water will form above all on the inner sealing skin. Because of the simple illustration, this fact was explained on the basis of the sealing skin shown in FIG. 1.
  • edge strips 2 Due to the greater rigidity of the edge strips 2, it is possible to provide a second roof skin made of the same roof elements 1a arranged in parallel, as is indicated in FIG. 2.
  • spacers 7 are attached to the bead-shaped part 4 between the two grooves 3 of the superimposed longitudinal edge strips 2 distributed over their length, the rivet fastening also being used in the embodiment serves the individual roof elements.
  • These spacers 7 carry the second roof skin, which acts as the upper chord of a wearer whose lower chord is formed by the inner roof skin.
  • the spacers 7 have two connecting flanges 8 which cling to the bead-shaped part 4 of the longitudinal edge strips 2 from above or from below and which are connected to one another by a web 9.
  • the space between the two roof skins is filled with an insulating material 10, which prevents condensation on the inside of the roof elements due to its heat-insulating effect.
  • the second roof skin can be built up from the roof elements 1a without a scaffold on the roof elements 1 of the inner skin, since both the spacers 7 on the inner roof skin 1 and the roof elements 1a on the spacers have each attached from above. Because of the double channel profile of the longitudinal edge strips, these have sufficient rigidity, which prevents the lower edge strip from evading. About the height of the web 9 of the spacer 7 can also adjust the bending stiffness of the roof within appropriate limits to the respective static requirements with the same roof elements 1 and 1a.

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  • 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)

Abstract

1. A roof consisting of self-supporting roofing elements (1), which are arranged in juxtaposed rows to form a roof skin and each of which consists of a thin-walled rectangular sheet element, which is curved upwardly in the longitudinal and transverse directions and has roof-or bead-shaped longitudinal edge strips, which conform to the longitudinal curvature and overlap and are connected to longitudinal edge strips (2) of respective adjacent roofing elements (1), characterized in that the longitudinal edge strips (2) have the shape of an open-topped double trough in cross-section and spacers (7) are secured to the bead-shaped portion (4) between the two troughs (3) of the superimposed longitudinal edge strips (2) and carry a parallel second roof skin consisting of the same roofing elements (1a).

Description

Die Erfindung bezieht sich auf ein Dach aus zu einer Dachhaut nebeneinandergereihten, selbsttragenden Dachelementen, die jeweils aus einem sowohl in Längsrichtung als auch in Querrichtung nach oben gewölbten, dünnwandigen, rechteckigen Blech bestehen, das dem Verlauf der Längswölbung folgende, dach- bzw. wulstförmige Längsstreifen aufweist, die den Randstreifen des jeweils benachbarten Dachelementes übergreifen und mit diesem verbunden sind.The invention relates to a roof of self-supporting roof elements lined up side by side to form a roof skin, each of which consists of a thin-walled, rectangular sheet which is curved upwards both in the longitudinal direction and in the transverse direction and which follows the course of the longitudinal curvature, roof-shaped or bead-shaped longitudinal strips has, which overlap the edge strip of the adjacent roof element and are connected to this.

Handelsübliche Dachelemente bestehen aus einem nur in Querrichtung gewölbten Blechprofil, das vor allem bei dünnen Blechen und nicht zu starker Wölbung einer Beanspruchung auf Durchbiegung nur im geringen Maße gewachsen ist. Größere Spannweiten können folglich nur durch eine wesentlich größere Wölbung, die jedoch meist unerwünscht ist, bzw. durch erhebliche Blechstärken erreicht werden, wodurch wiederum der Materialverbrauch und das Dachgewicht bedeutend erhöht wird.Commercially available roof elements consist of a sheet profile that is only curved in the transverse direction, which can only withstand a small amount, particularly with thin sheets and not too strong a curvature due to bending. Larger spans can therefore only be achieved by a significantly larger curvature, which is usually undesirable, or by considerable sheet thicknesses, which in turn increases the material consumption and the roof weight significantly.

Um diese Nachteile zu vermeiden, sind selbsttragende Dachelemente bekannt (AT-PS 311 631), die nicht nur in Querrichtung, sondern auch in Längsrichtung nach oben gewölbt sind und eine Randversteifung in Form von dach- bzw. wulstartigen Längsrandstreifen aufweisen. Durch diese doppelte Verformung sowie die Randstreifen wird trotz dünnwandiger Bleche eine hohe Biegefestigkeit der Dachelemente erzielt, so daß mit einem geringen Materialeinsatz vergleichs- weise große Spannweiten erreicht werden können. Weil bei diesen zweifach gewölbten Dachelementen die Tragfähigkeit für große Spannweiten ausgenützt wird, sind diese Dachelemente an sich für zusätzliche Auflasten nicht ohne weiteres geeignet. Dächer mit einer doppelten Dachhaut können somit aus diesen bekannten Dachelementen nicht hergestellt werden. Die zweite Dachhaut bildet ja für die untere Dachhaut eine zusätzliche Auflast. Bei bekannten plattenförmigen Dachelementen (CH-PS 583 355) tritt dieses Problem nicht auf, da die untere Dachhaut über die ganze Spannweite auf Auflagebalken abgestützt werden kann, was gerade bei den gewölbten Dachelementen vermieden werden soll.In order to avoid these disadvantages, self-supporting roof elements are known (AT-PS 311 631), which are arched not only in the transverse direction but also in the longitudinal direction and have an edge stiffening in the form of roof-like or bead-like longitudinal edge strips. This double deformation and the Edge strips, despite thin-walled sheets, achieve a high bending strength of the roof elements, so that comparatively large spans can be achieved with a small amount of material. Because the load capacity for large spans is used for these double-arched roof elements, these roof elements are not in themselves suitable for additional loads. Roofs with a double roof skin can therefore not be produced from these known roof elements. The second roof skin creates an additional load for the lower roof skin. This problem does not occur with known plate-shaped roof elements (CH-PS 583 355), since the lower roof skin can be supported over the entire span on support beams, which should be avoided especially with the curved roof elements.

Der Erfindung liegt somit die Aufgabe zugrunde, diese Mängel zu vermeiden und ein Dach der eingangs geschilderten Art so zu verbessern, daß es auch doppelschalig ausgebildet werden kann.The invention is therefore based on the object to avoid these deficiencies and to improve a roof of the type described in such a way that it can also be double-skin.

Die Erfindung löst diese Aufgabe dadurch, daß die Längsrandsteifen in an sich bekannter Weise ein nach oben offenes Doppelrinnenprofil bilden und daß auf dem wulstförmigen Teil zwischen den beiden Rinnen der übereinanderliegenden Längsrandstreifen über deren Länge verteilt Abstandhalter befestigt sind, die, wie an sich ebenfalls bekannt, eine zweite parallele Dachhaut aus den gleichen Dachelementen tragen.The invention solves this problem in that the longitudinal edge stiffeners form, in a manner known per se, an upwardly open double channel profile and in that spacers are attached to the bead-shaped part between the two channels of the superimposed longitudinal edge strips and distributed over their length. wear a second parallel roof skin from the same roof elements.

Das Doppelrinnenprofil der Längsrandstreifen ergibt eine größere Steifigkeit, was einerseits eine Vergrößerung der erreichbaren Spannweite mit sich bringt und anderseits das Verbinden der übereinandergreifenden Randstreifen benachbarter Dachelemente erleichtert, weil der jeweils untere Randstreifen bei einer Montage von oben nicht mehr ausweichen kann.The double channel section of the Längsrandstrei f s gives a greater rigidity, which brings on the one hand an increase of the achievable span with it and on the other hand the joining of the superimposed cross edge strips of adjacent roof elements facilitated, because the respective lower edge strip at a mounting can no longer above avoid.

Die durch das Doppelrinnenprofil erzwungene, größere Randsteifigkeit der Dachelemente erlaubt es auch, die durch eine zweite Dachhaut gegebene Auflast während der Dachmontage aufzunehmen. Nach der Montage der zweiten Dachhaut kann dann die Eigentragfähigkeit der zweiten Dachhaut zufolge ihrer Gewölbewirkung voll ausgenützt werden, indem eine Verbundwirkung zwischen den beiden Dachhäuten über die Abstandhalter erreicht wird. Die beiden Dachhäute bilden nämlich einen aus Ober- und Untergurt bestehenden Träger.The greater edge rigidity of the roof elements, which is forced by the double channel profile, also makes it possible to absorb the load caused by a second roof skin during roof assembly. After the installation of the second roof skin, the inherent load-bearing capacity of the second roof skin can be fully exploited due to its vaulting effect by achieving a bond between the two roof skins via the spacers. The two roof skins form a carrier consisting of an upper and lower flange.

Dachelemente mit Längsrandstreifen, die vom jeweils benachbarten Dachelement übergriffen werden und ein nach oben offenes Doppelrinnenprofil bilden, sind an sich bekannt (CH-PS 601 606). Zum Unterschied zum Erfindungsgegenstand verlaufen die Längsrandstreifen jedoch geradlinig, so daß das Dachprofil über diese Längsrandstreifen auf Hauptbalken abgestützt werden kann, was bei erfindungsgemäßen Dachelementen wegen der Längswölbung nicht möglich ist. Dadurch ergeben sich besondere Verhältnisse, insbesondere wenn eine zweite Dachhaut aufgesetzt werden soll. Obwohl doppelwandige Dächer bekannt sind, kann dieser Stand der Technik keine Lehre dafür geben, auch Dächer mit gewölbten Dachelementen doppelschalig auszubilden, weil, wie bereits ausgeführt wurde, die Tragfähigkeit dieser Dachelemente für größere Spannweiten und nicht für zusätzliche Auflasten ausgenützt wurde. Die erfindungsgemäße Ausbildung der Längsrandstreifen als Doppelrinnenprofil, um mit der dadurch erhöhten Biegesteifigkeit die Montage einer zweiten Dachhaut zu ermöglichen., kann somit nicht nahegelegt werden.Roof elements with longitudinal edge strips which are overlapped by the adjacent roof element and form an open double channel profile are known per se (CH-PS 601 606). In contrast to the subject of the invention, however, the longitudinal edge strips run in a straight line, so that the roof profile can be supported on main beams via these longitudinal edge strips, which is not possible in roof elements according to the invention because of the longitudinal curvature. This results in special conditions, especially when a second roof skin is to be put on. Although double-walled roofs are known, this state of the art cannot give any teaching for the construction of double-skin roofs with curved roof elements, because, as has already been stated, the load-bearing capacity of these roof elements was used for larger spans and not for additional loads. The design of the longitudinal edge strips according to the invention as a double channel profile, in order to enable the installation of a second roof skin with the resulting increased rigidity, cannot therefore be suggested.

Um eine gute Verbindung zwischen der äußeren und inneren Dachhaut und damit eine entsprechende Verbundwirkung sicherzustellen, können die Abstandhalter jeweils aus zwei sich von oben bzw. von unten an den wulstförmigen Teil zwischen den beiden Rinnen der Längsrandstreifen anschmiegenden, durch einen Steg miteinander verbundenen Anschlußflanschen bestehen, über die die erforderliche schubfeste Verbindung ohne weiteres ermöglicht wird.To ensure a good connection between the outer and inner roof skin and thus a corresponding ver To ensure the effect of the bundle, the spacers can each consist of two connecting flanges which are attached to the bead-shaped part between the two channels of the longitudinal edge strips and which are connected to one another from above and below by a web, via which the necessary shear-resistant connection is readily possible.

Wird der Zwischenraum zwischen den beiden Dachhäuten in an sich bekannter Weise mit einem Isoliermaterial ausgefüllt; so erhält man nicht nur ein entsprechend wärmeisoliertes Dach, sondern unterbindet auch jede Kondenswasserbildung, da die innere Dachhaut die Raumtemperatur und nicht die Außentemperatur annimmt. Durch den Aufbau einer zweiten Dachhaut wird jede Unterdecke hinfällig, wobei sich gegenüber den Unterdeckenmontagen wesentliche Vorteile ergeben, weil die äußere Dachhaut auf der inneren Dachhaut ohne Gerüst aufgebaut werden kann. Die Montage der zweiten Dachhaut kann ja von oben erfolgen. Ein weiterer Vorteil des erfindungsgemäßen Dachaufbaues besteht darin, daß bei einer Zerstörung der inneren Dachhaut, beispielsweise durch Feuer, die einzelnen Dachelemente der inneren Dachhaut nicht herabstürzen, weil sie von der äußeren Dachhaut getragen werden.If the space between the two roof skins is filled with an insulating material in a manner known per se; This not only gives you a correspondingly heat-insulated roof, but also prevents any formation of condensation, since the inner roof skin takes on the room temperature and not the outside temperature. The construction of a second roof cladding eliminates the need for any false ceiling, with significant advantages over the false ceiling installation because the outer roof cladding can be built on the inner roof cladding without scaffolding. The second roof skin can be installed from above. Another advantage of the roof structure according to the invention is that if the inner roof skin is destroyed, for example by fire, the individual roof elements of the inner roof skin do not fall down because they are carried by the outer roof skin.

In der Zeichnung ist der Erfindungsgegenstand in einem Ausführungsbeispiel vereinfacht dargestellt. Es zeigen

  • Fig. 1 einen Teil einer aus selbsttragenden Dachelementen zusammengesetzten Dachhaut eines aus zwei solchen Dachhäuten zusammengesetzten Daches im`Schaubild,
  • Fig. 2 einen Querschnitt durch ein erfindungsgemäßes Dach in einem größeren Maßstab und
  • Fig. 3 einen Abstandhalter im Schaubild.
In the drawing, the subject matter of the invention is shown in simplified form in one embodiment. Show it
  • 1 shows a part of a roof skin composed of self-supporting roof elements of a roof composed of two such roof skins in the ` diagram,
  • Fig. 2 shows a cross section through a roof according to the invention on a larger scale and
  • Fig. 3 shows a spacer in the diagram.

Wie Fig. 1 und 2 klar erkennen lassen, werden einzelne selbsttragende Dachelemente 1, die sowohl in Längsrichtung als auch in Querrichtung nach oben gewölbt sind und aus dünnwandigen, rechteckigen Blechen bestehen, so nebeneinandergereiht, daß sich die dem Verlauf der Längswölbung folgenden Längsrandstreifen 2 übergreifen. Diese Längsrandstreifen 2 bilden ein nach oben offenes Doppelrinnenprofil mit einer äußeren und inneren Rinne 3 sowie einem wulstförmigen Teil 4 zwischen den beiden Rinnen 3. Dadurch wird eine gute Wasserdichtheit erreicht, weil das entlang der Dachelemente in Richtung des Pfeiles 5 der Fig. 1 abfließende Wasser, das zwischen die beiden Randstreifen 2 eindringt, nicht auf die Unterseite der Dachhaut gelangen kann. Es wird auf alle Fälle in der äußeren Rinne 3 aufgefangen, auch wenn es über den wulstförmigen Teil 4 hinwegfließen sollte. Durch diese Profilform der Längsrandstreifen 2 kann auch Kondenswasser abgeleitet werden, das in Richtung des Pfeiles 6 (Fig. 1) abfließt. Selbstverständlich wird das in Richtung des Pfeiles 5 fließende Regenwasser od. dgl. auf der äußeren Dichthaut gesammelt, während sich das Kondenswasser vor allem an der inneren Dichthaut bilden wird. Wegen der einfachen Darstellung wurde dieser Sachverhalt an Hand der in Fig. 1 dargestellten Dichthaut erklärt.As can be clearly seen in FIGS. 1 and 2, individual self-supporting roof elements 1, which are curved upwards both in the longitudinal direction and in the transverse direction and consist of thin-walled, rectangular sheets, are lined up next to one another in such a way that the longitudinal edge strips 2 following the course of the longitudinal curvature overlap . These longitudinal edge strips 2 form an upwardly open double channel profile with an outer and inner channel 3 and a bead-shaped part 4 between the two channels 3. This ensures good water tightness because the water flowing off along the roof elements in the direction of arrow 5 of FIG. 1 , which penetrates between the two edge strips 2, cannot reach the underside of the roof skin. It is caught in the outer groove 3 in any case, even if it should flow over the bead-shaped part 4. This profile shape of the longitudinal edge strips 2 can also be used to drain off condensed water which flows off in the direction of the arrow 6 (FIG. 1). Of course, the rainwater or the like flowing in the direction of arrow 5 is collected on the outer sealing skin, while the condensation water will form above all on the inner sealing skin. Because of the simple illustration, this fact was explained on the basis of the sealing skin shown in FIG. 1.

Auf Grund der größeren Steifigkeit der Randstreifen 2 ist es möglich, eine zweite Dachhaut aus gleichen, parallel angeordneten Dachelementen 1a vorzusehen, wie dies in Fig. 2 angedeutet ist. Zu diesem Zweck sind jeweils auf dem wulstförmigen Teil 4 zwischen den beiden Rinnen 3 der übereinanderliegenden Längsrandstreifen 2 über deren Länge verteilt Abstandhalter 7 befestigt, wobei im Ausführungsbeispiel die Nietenbefestigung auch zum Verbinden der einzelnen Dachelemente dient. Diese Abstandhalter 7 tragen die zweite Dachhaut, die als Obergurt eines Trägers wirkt, dessen Untergurt durch die innere Dachhaut gebildet wird. Um eine eine Verbundwirkung ermöglichende Verbindung zwischen den beiden Dachhäuten zu erhalten, besitzen die Abstandhalter 7 zwei sich von oben bzw. von unten an den wulstförmigen Teil 4 der Längsrandstreifen 2 anschmiegende Anschlußflansche 8, die durch einen Steg 9 miteinander verbunden sind.Due to the greater rigidity of the edge strips 2, it is possible to provide a second roof skin made of the same roof elements 1a arranged in parallel, as is indicated in FIG. 2. For this purpose, spacers 7 are attached to the bead-shaped part 4 between the two grooves 3 of the superimposed longitudinal edge strips 2 distributed over their length, the rivet fastening also being used in the embodiment serves the individual roof elements. These spacers 7 carry the second roof skin, which acts as the upper chord of a wearer whose lower chord is formed by the inner roof skin. In order to obtain a connection between the two roof skins which enables a composite effect, the spacers 7 have two connecting flanges 8 which cling to the bead-shaped part 4 of the longitudinal edge strips 2 from above or from below and which are connected to one another by a web 9.

Der Zwischenraum zwischen den beiden Dachhäuten ist mit einem Isoliermaterial 10 ausgefüllt, das wegen seiner wärmedämmenden Wirkung eine Kondenswasserbildung auf der Innenseite der Dachelemente verhindert.The space between the two roof skins is filled with an insulating material 10, which prevents condensation on the inside of the roof elements due to its heat-insulating effect.

Wie sich aus Fig. 2 unmittelbar ergibt, kann die zweite Dachhaut aus den Dachelementen 1a von oben ohne Gerüst auf den Dachelementen 1 der inneren Haut aufgebaut werden, da sich sowohl die Abstandhalter 7 auf der inneren Dachhaut 1 als auch die Dachelemente 1a auf den Abstandhaltern jeweils von oben befestigen lassen. Wegen des Doppelrinnenprofils der Längsrandstreifen besitzen diese eine ausreichende Steifigkeit, die ein Ausweichen des jeweils unteren Randstreifens ausschließt. Über die Höhe des Steges 9 der Abstandhalter 7 läßt sich außerdem bei gleichen Dachelementen 1 und 1a die Biegesteifigkeit des Daches in entsprechenden Grenzen den jeweiligen statischen Forderungen anpassen.As can be seen directly from FIG. 2, the second roof skin can be built up from the roof elements 1a without a scaffold on the roof elements 1 of the inner skin, since both the spacers 7 on the inner roof skin 1 and the roof elements 1a on the spacers have each attached from above. Because of the double channel profile of the longitudinal edge strips, these have sufficient rigidity, which prevents the lower edge strip from evading. About the height of the web 9 of the spacer 7 can also adjust the bending stiffness of the roof within appropriate limits to the respective static requirements with the same roof elements 1 and 1a.

Claims (3)

1. Dach aus zu einer Dachhaut nebeneinandergereihten selbsttragenden Dachelementen, die jeweils aus einem sowohl in Längsrichtung als auch in Querrichtung nach oben gewölbten, dünnwandigen, rechteckigen Blech bestehen, das dem Verlauf der Längswölbung folgende, dach- bzw. wulstförmige Längsstreifen aufweist, die den Randstreifen des jeweils benachbarten Dachelementes übergreifen und mit diesem verbunden sind, da durch gekennzeichnet, daß die Längsrandstreifen (2) in an sich bekannter Weise ein nach oben offenes Doppelrinnenprofil bilden und daß auf dem wulstformigen Teil (4) zwischen den beiden Rinnen (3) des übereinanderliegenden Längsrandstreifen (2) über deren Länge verteilt Abstandhalter (7) befestigt sind, die, wie an sich ebenfalls bekannt, eine zweite parallele Dachhaut aus den gleichen Dachelementen (1a) tragen.1.Roof of self-supporting roof elements lined up to form a roof membrane, each consisting of a thin-walled, rectangular sheet which is arched upwards both in the longitudinal direction and in the transverse direction and which has the roof or bead-shaped longitudinal strips following the course of the longitudinal curvature, which have the edge strips overlap the adjacent roof element and are connected to it, characterized in that the longitudinal edge strips (2) form an upwardly open double channel profile in a manner known per se and that on the bead-shaped part (4) between the two channels (3) of the one above the other Longitudinal edge strips (2) distributed over their length are attached to spacers (7) which, as is also known per se, carry a second parallel roof skin made of the same roof elements (1a). 2. Dach nach Anspruch 1, dadurch gekennzeichnet. daß die Abstandhalter (7) jeweils aus zwei sich vor oben bzw. von unten an den wulstförmigen Teil (4) zwischen den beiden Rinnen (3) der Längsrandstreifen (2) anschmiegenden, durch einen Steg (9) miteinander verbundenen Anschlußflanschen (8) bestehen.2. Roof according to claim 1, characterized. that the spacers (7) each consist of two clinging to each other by a web (9) connecting flanges (8) which adhere to the bead-shaped part (4) between the two channels (3) of the longitudinal edge strips (2) . 3. Dach nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Zwischenraum zwischen den beiden Dachhäuten in an sich bekannter Weise mit einem Isoliermaterial (10) ausgefüllt ist.3. Roof according to claim 1 or 2, characterized in that the space between the two roof skins is filled in a manner known per se with an insulating material (10).
EP19800890031 1979-03-20 1980-03-12 Roof Expired EP0016749B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2068/79 1979-03-20
AT206879A AT360210B (en) 1979-03-20 1979-03-20 TOP, ROOF

Publications (2)

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EP0016749A1 true EP0016749A1 (en) 1980-10-01
EP0016749B1 EP0016749B1 (en) 1982-09-01

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ID=3527084

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EP19800890031 Expired EP0016749B1 (en) 1979-03-20 1980-03-12 Roof

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EP (1) EP0016749B1 (en)
AR (1) AR222862A1 (en)
AT (1) AT360210B (en)
BR (1) BR8001637A (en)
DE (1) DE3060791D1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152963A (en) * 1983-12-01 1985-08-14 Pers Paul Joesph A roof assembly of combined roof and ceiling units
FR2562925A1 (en) * 1984-04-17 1985-10-18 Lelan Jean Claude DOUBLE-SIDED ROOF ROOF

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE21510C (en) * 1882-08-31 1883-03-12 HETN, LEHMANN & CO. in Berlin Corrugated iron roofing for buildings with a polygonal, circular or ring-shaped basic riff shape, in which the waves are tapered
FR1145973A (en) * 1955-08-04 1957-11-05 Improved fixing device for corrugated sheet roofing or cladding
GB819047A (en) * 1957-01-01 1959-08-26 Fred Pedley Improvements in construction of roofing
US3310925A (en) * 1964-09-12 1967-03-28 Montreal Roofing Mfg Co Ltd Corrugated sheet with means accommodating dimension variation
DE2100421A1 (en) * 1971-01-07 1972-08-03 Rosenkranz, Christian, Dipl.-Ing., 2800 Bremen Self-supporting prefab element - for shell-type roof structures
FR2145243A5 (en) * 1971-07-05 1973-02-16 Ragailler Franz

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE21510C (en) * 1882-08-31 1883-03-12 HETN, LEHMANN & CO. in Berlin Corrugated iron roofing for buildings with a polygonal, circular or ring-shaped basic riff shape, in which the waves are tapered
FR1145973A (en) * 1955-08-04 1957-11-05 Improved fixing device for corrugated sheet roofing or cladding
GB819047A (en) * 1957-01-01 1959-08-26 Fred Pedley Improvements in construction of roofing
US3310925A (en) * 1964-09-12 1967-03-28 Montreal Roofing Mfg Co Ltd Corrugated sheet with means accommodating dimension variation
DE2100421A1 (en) * 1971-01-07 1972-08-03 Rosenkranz, Christian, Dipl.-Ing., 2800 Bremen Self-supporting prefab element - for shell-type roof structures
FR2145243A5 (en) * 1971-07-05 1973-02-16 Ragailler Franz
AT311631B (en) * 1971-07-05 1973-11-26 Ragailler Franz Self-supporting roof element

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152963A (en) * 1983-12-01 1985-08-14 Pers Paul Joesph A roof assembly of combined roof and ceiling units
FR2562925A1 (en) * 1984-04-17 1985-10-18 Lelan Jean Claude DOUBLE-SIDED ROOF ROOF
EP0161965A1 (en) * 1984-04-17 1985-11-21 Batiroc Sa Profiled double-skin roof

Also Published As

Publication number Publication date
AT360210B (en) 1980-12-29
AR222862A1 (en) 1981-06-30
EP0016749B1 (en) 1982-09-01
BR8001637A (en) 1980-11-18
ATA206879A (en) 1980-05-15
DE3060791D1 (en) 1982-10-28

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