EP0752506A1 - Roofing slab for sloping roofs - Google Patents

Roofing slab for sloping roofs Download PDF

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Publication number
EP0752506A1
EP0752506A1 EP96108306A EP96108306A EP0752506A1 EP 0752506 A1 EP0752506 A1 EP 0752506A1 EP 96108306 A EP96108306 A EP 96108306A EP 96108306 A EP96108306 A EP 96108306A EP 0752506 A1 EP0752506 A1 EP 0752506A1
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EP
European Patent Office
Prior art keywords
roof panel
ribs
roof
fastening elements
panel according
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Granted
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EP96108306A
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German (de)
French (fr)
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EP0752506B1 (en
Inventor
Udo Paul Klein
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Sueba-Cooperation Gesellschaft fur Bauforschung Bauentwicklung und Franchising Mbh
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Sueba-Cooperation Gesellschaft fur Bauforschung Bauentwicklung und Franchising Mbh
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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
    • E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
    • E04B7/04—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs supported by horizontal beams or the equivalent resting on the walls
    • 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
    • E04B7/22—Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having insulating properties, e.g. laminated with layers of insulating 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
    • E04B7/20—Roofs consisting of self-supporting slabs, e.g. able to be loaded
    • E04B7/22—Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having insulating properties, e.g. laminated with layers of insulating material
    • E04B7/225—Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having insulating properties, e.g. laminated with layers of insulating material the slabs having non-structural supports for roofing materials

Definitions

  • the invention relates to a roof panel for pitched roofs, which consists of a self-supporting, reinforced plate made of hardenable material, in particular concrete or concrete-like materials, the reinforcement above the plate having bars running along the roof slope, in the vicinity of which fastening elements are arranged, on which the Roof covering, especially with the interposition of cross beams, is to be fastened.
  • Such a roof panel is known from EP-A 494 612.
  • the part of the reinforcement protruding from the slab and running along the roof slope is made of stainless steel or is coated with a corrosion protection.
  • the object of the present invention is to provide equivalent designs for this which are more flexible with regard to the use of materials.
  • the roof panel has ribs made of concrete or concrete-like materials running along the roof slope, the are integrally connected to the plate and in their interior accommodate the reinforcing bars extending above the plate and encase them on all sides and that the ribs on their top facing away from the plate have the fastening elements for the roof covering.
  • Reinforced ribbed concrete slabs have long been known. However, they only function as ceiling or wall panels, have no special orientation of the ribs to the roof slope and therefore do not use the ribs as a support for a roof covering.
  • the fastening elements for the roof covering can be connected directly to the reinforcement parts running above the slab, whereby they protrude from the ribs as far as is necessary for the assembly of the roof covering, in particular the cross members carrying the roof covering. In general, however, it is recommended that the fastening elements be carried only or at least mainly by the ribs. It is particularly favorable here, the fasteners using the above pins, screw nails or concreting the like into the ribs.
  • the fastening elements can also be held on the ribs by positive locking, for example in that the ribs have projections or local depressions which correspond to corresponding counter surfaces of the fastening elements. As a result, the weight of the roof covering can be introduced directly into the roof panel and the pins, screw nails or the like only need to absorb lateral forces, for example due to wind pressure.
  • fastening elements There are different options for the design of the fastening elements. It is particularly favorable if they consist of continuous longitudinal beams which run along the roof slope. The roofer then has the option of attaching the battens at any grid spacing and in a conventional manner on the side members.
  • Wood is primarily used as the material for the side members, but also plastic, pressed rock wool or another material, but it should only be noted that it should be poorly heat-conducting. For this reason, it may also be expedient not to allow the longitudinal beam to rest on the rib of the roof panel over a large area, but rather to connect it locally to the rib at several points, possibly with the interposition of insulating material. Otherwise, the plate is covered with insulating material over a large area, as is already the case with the previously known roof panel.
  • the insulating material expediently now extends not only to one Partial height of the upward-facing reinforcement, but beyond this up to at least the top of the ribs, possibly even up to the height of the fastening elements.
  • the reinforcement itself can be designed in different ways. In general, a mesh fabric will be provided in the area of the slab, while lattice girders, reinforcement cages or simply straight bars are used in the ribs. It is also within the scope of the invention to work with prestressed reinforcement.
  • the roof panel consists of a concrete slab 1, the top of which several, has mutually parallel, upwardly projecting ribs 2.
  • the ribs 2 are concreted directly onto the plate 1 and preferably have an approximately trapezoidal cross section, tapering upwards; other cross-sectional shapes are of course also possible.
  • the roof panel is reinforced according to the structural requirements, specifically in the area of the plate 1 by means of reinforcement 3a, in the area of the ribs 2 by means of reinforcement 3b.
  • the reinforcement 3a usually consists of a mesh mat, but at least it must have some bars running transversely to the ribs 2.
  • the reinforcement 3b extends largely over the height of the ribs and has lower and upper chords so that the roof panel is given sufficient flexural rigidity. It can consist of a lattice girder or individually arranged reinforcing bars, which will be discussed later.
  • fastening elements 4 are arranged on the ribs 2, which are oriented in the direction of the roof slope, on which the roof covering, not shown, usually brick, is hung with the interposition of cross members 5.
  • the fastening elements 4 consist of elongated strips, lie flat on the top of the ribs 2 and extend continuously over the entire length of the roof panel. They correspond to the conventional rafters and thus allow the roofer to nail the cross members 5 in the form of the usual roof battens to the strips 4 in the desired grid spacing.
  • the fastening elements 4 generally consist of wooden strips and can be connected directly to the ribs 2 by projecting pins 4a when the roof panel is cast. However, it is also possible to fasten the fastening elements 4 to the ribs 2 with the interposition of insulating bodies.
  • the space between the individual ribs 2 is filled with insulating material 6. It extends almost to the top of the fastening elements 4.
  • the top of the roof panel is covered by an underlayment 7, which is fixed to the top of the ribs 2, but expediently to the top of the fastening elements 4.
  • Figure 1 also shows the support of the roof panel on a top floor or false ceiling 10.
  • the ceiling 10 carries a support shoe 11, which is concreted in and / or connected to the reinforcement of the ceiling 10. It protrudes with its projection into a corresponding recess 12 in the plate 1 of the roof panel and holds the latter by means of a metallic stop surface 13 concreted into the mentioned recess.
  • the stop surface 13 is expediently connected to the reinforcement of the plate 1 in order to reduce the locally introduced holding force to distribute the roof panel.
  • FIG. 1 it can be seen in FIG. 1 how the individual roof battens 5 are nailed onto the fastening elements 4, for example in the form of wooden rafters, in the desired grid dimension.
  • FIG. 4 shows different reinforcement options for the ribs 2. If a prestressed reinforcement is used, two or three straight reinforcement bars arranged one above the other are sufficient, as shown in FIGS. 4a and 4b. If the reinforcement is flaccid, the usual lattice girders are recommended, e.g. according to FIG.
  • the width of the roof panels is preferably between 2.4 m and 3 m, their length between 8 m and 12 m.
  • the advantage of the roof panel according to the invention is that no corrosion protection measures are necessary for the above-mentioned reinforcement, which was previously known, and that the concrete ribs can be matched to the usual spacing of the rafters and thus an ideal basis for accommodating the Form fastening elements for the roof covering.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The roof structure comprises ribs (2) made from concrete or a concrete-type material which are joined as one piece to the roof plate (1). Reinforcement bars (3b) are positioned in the interior of the ribs and enclosed on all sides by the ribs. The ribs have fastening elements (4) for the attachment of the roof on the side turned away from the roof plate. The fastening elements are supported by the ribs.

Description

Die Erfindung betrifft eine Dachtafel für geneigte Dächer, die aus einer selbsttragenden, bewehrten Platte aus aushärtbarem Material, insbesondere Beton oder betonähnlichen Stoffen besteht, wobei die Bewehrung oberhalb der Platte entlang dem Dachgefälle verlaufende Stäbe aufweist, in deren Umgebung Befestigungselemente angeordnet sind, an denen die Dacheindeckung, insbesondere unter Zwischenschaltung von Querträgern, zu befestigen ist.The invention relates to a roof panel for pitched roofs, which consists of a self-supporting, reinforced plate made of hardenable material, in particular concrete or concrete-like materials, the reinforcement above the plate having bars running along the roof slope, in the vicinity of which fastening elements are arranged, on which the Roof covering, especially with the interposition of cross beams, is to be fastened.

Eine derartige Dachtafel ist durch die EP-A 494 612 bekannt. Dabei besteht der aus der Platte vorstehende, entlang dem Dachgefälle verlaufende Teil der Bewehrung aus rostfreiem Stahl oder ist mit einem Korrosionsschutz beschichtet.Such a roof panel is known from EP-A 494 612. The part of the reinforcement protruding from the slab and running along the roof slope is made of stainless steel or is coated with a corrosion protection.

Da sich diese Dachtafeln in der Praxis gut bewährt haben, liegt der vorliegenden Erfindung die Aufgabe zugrunde, hierfür äquivalente Bauformen anzugeben, die hinsichtlich des Materialeinsatzes flexibler sind.Since these roof panels have proven themselves in practice, the object of the present invention is to provide equivalent designs for this which are more flexible with regard to the use of materials.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Dachtafel entlang dem Dachgefälle verlaufende Rippen aus Beton oder betonähnlichen Stoffen aufweist, die einstückig mit der Platte verbunden sind und in ihrem Inneren die oberhalb der Platte verlaufenden Bewehrungsstäbe aufnehmen und diese allseits ummanteln und daß die Rippen an ihrer der Platte abgewandten Oberseite die Befestigungselemente für die Dacheindeckung aufweisen.This object is achieved in that the roof panel has ribs made of concrete or concrete-like materials running along the roof slope, the are integrally connected to the plate and in their interior accommodate the reinforcing bars extending above the plate and encase them on all sides and that the ribs on their top facing away from the plate have the fastening elements for the roof covering.

Hierdurch ergibt sich der Vorteil, daß auf den Einsatz kostspieligen Edelstahls für die Bewehrung verzichtet werden kann und daß auch die bei Baustahl notwendige Beschichtung mit einem Korrosionsschutz entfällt, denn die Rippen werden gerade etwa so dick ausgeführt, daß ein zuverlässiger Korrosionsschutz für die darin befindliche Bewehrung sichergestellt ist.This has the advantage that the use of expensive stainless steel for the reinforcement can be dispensed with and that the coating with corrosion protection required for structural steel is also omitted, because the ribs are made just about as thick that reliable corrosion protection for the reinforcement contained therein is ensured.

Zwar sind bewehrte Rippenplatten aus Beton bereits seit langem bekannt. Sie fungieren dabei aber nur als Decken- oder Wandplatten, haben keine spezielle Ausrichtung der Rippen zum Dachgefälle und verwenden demzufolge die Rippen auch nicht als Träger für eine Dacheindeckung.Reinforced ribbed concrete slabs have long been known. However, they only function as ceiling or wall panels, have no special orientation of the ribs to the roof slope and therefore do not use the ribs as a support for a roof covering.

Die Befestigungselemente für die Dacheindeckung können unmittelbar mit den oberhalb der Platte verlaufenden Bewehrungsteilen verbunden sein, wobei sie soweit aus den Rippen vorstehen, wie es zur Montage der Dacheindeckung, insbesondere also der die Dacheindeckung tragenden Querträgern notwendig ist. Im allgemeinen empfiehlt es sich aber, wenn die Befestigungselemente nur oder zumindest hauptsächlich von den Rippen getragen werden. Besonders günstig ist es dabei, die Befestigungselemente mit Hilfe vorstehender Stifte, Schraubnägel oder dergleichen in die Rippen einzubetonieren. Dabei können die Befestigungselemente zusätzlich auch durch Formschluß an den Rippen gehalten werden, etwa indem die Rippen Vorsprünge oder lokale Vertiefungen aufweisen, die mit entsprechenden Gegenflächen der Befestigungselemente korrespondieren. Dadurch kann das Gewicht der Dacheindeckung unmittelbar in die Dachtafel eingeleitet werden und die Stifte, Schraubnägel oder dergleichen brauchen lediglich noch Querkräfte etwa durch Winddruck aufzunehmen.The fastening elements for the roof covering can be connected directly to the reinforcement parts running above the slab, whereby they protrude from the ribs as far as is necessary for the assembly of the roof covering, in particular the cross members carrying the roof covering. In general, however, it is recommended that the fastening elements be carried only or at least mainly by the ribs. It is particularly favorable here, the fasteners using the above pins, screw nails or concreting the like into the ribs. The fastening elements can also be held on the ribs by positive locking, for example in that the ribs have projections or local depressions which correspond to corresponding counter surfaces of the fastening elements. As a result, the weight of the roof covering can be introduced directly into the roof panel and the pins, screw nails or the like only need to absorb lateral forces, for example due to wind pressure.

Für die konstruktive Ausbildung der Befestigungselemente bestehen unterschiedliche Möglichkeiten. Besonders günstig ist es, wenn sie aus durchlaufenden Längsträgern bestehen, die entlang dem Dachgefälle verlaufen. Der Dachdecker hat dann die Möglichkeit, die Dachlatten in beliebigen Rasterabständen und in herkömmlicher Weise auf den Längsträgern zu befestigen.There are different options for the design of the fastening elements. It is particularly favorable if they consist of continuous longitudinal beams which run along the roof slope. The roofer then has the option of attaching the battens at any grid spacing and in a conventional manner on the side members.

Als Material für die Längsträger kommt in erster Linie Holz, daneben aber auch Kunststoff, gepreßte Steinwolle oder ein anderer Werkstoff in Betracht, wobei lediglich zu beachten ist, daß er schlecht wärmeleitend sein sollte. Aus diesem Grund kann es auch zweckmäßig sein, den Längsträger nicht großflächig an der Rippe der Dachtafel anliegen zu lassen, sondern ihn nur lokal an mehreren Stellen mit der Rippe zu verbinden, gegebenenfalls unter Zwischenlage von Isoliermaterial. Im übrigen wird die Platte ohnehin großflächig mit Isoliermaterial abgedeckt wie dies bereits bei der vorbekannten Dachtafel der Fall ist. Zweckmäßig erstreckt sich das Isoliermaterial jetzt aber nicht nur bis zu einer Teilhöhe der nach oben ragenden Bewehrung, sondern über diese hinaus bis zumindest zur Oberseite der Rippen, eventuell sogar bis zur Höhe der Befestigungselemente.Wood is primarily used as the material for the side members, but also plastic, pressed rock wool or another material, but it should only be noted that it should be poorly heat-conducting. For this reason, it may also be expedient not to allow the longitudinal beam to rest on the rib of the roof panel over a large area, but rather to connect it locally to the rib at several points, possibly with the interposition of insulating material. Otherwise, the plate is covered with insulating material over a large area, as is already the case with the previously known roof panel. The insulating material expediently now extends not only to one Partial height of the upward-facing reinforcement, but beyond this up to at least the top of the ribs, possibly even up to the height of the fastening elements.

Schließlich empfiehlt es sich, an der Oberseite der Befestigungselemente eine Unterspannbahn anzubringen, die sich über die gesamte Dachtafel erstreckt und die Befestigungselemente sowie die zwischen den Rippen angeordnete Isolierung abdeckt.Finally, it is advisable to attach a sarking membrane to the top of the fastening elements, which extends over the entire roof panel and covers the fastening elements and the insulation arranged between the ribs.

Die Bewehrung selbst kann in unterschiedlicher Art ausgeführt sein. Im allgemeinen wird man im Bereich der Platte ein Gittergewebe vorsehen, während in den Rippen Gitterträger, Bewehrungskörbe oder einfach gerade durchlaufende Stäbe verwendet werden. Dabei liegt es auch im Rahmen der Erfindung, mit einer vorgespannten Bewehrung zu arbeiten.The reinforcement itself can be designed in different ways. In general, a mesh fabric will be provided in the area of the slab, while lattice girders, reinforcement cages or simply straight bars are used in the ribs. It is also within the scope of the invention to work with prestressed reinforcement.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen; dabei zeigt

Figur 1
einen Vertikalschnitt der Dachtafel entlang ihrer Rippe;
Figur 2
einen Querschnitt durch die Dachtafel gemäß Figur 1;
Figur 3
eine Draufsicht auf die Dachtafel;
Figur 4
Rippenquerschnitte für unterschiedliche Bewehrungsvarianten.
Further features and advantages of the invention result from the following description of exemplary embodiments; shows
Figure 1
a vertical section of the roof panel along its rib;
Figure 2
a cross section through the roof panel according to Figure 1;
Figure 3
a plan view of the roof panel;
Figure 4
Rib cross-sections for different types of reinforcement.

Gemäß den Figuren 1 und 2 besteht die Dachtafel aus einer Betonplatte 1, die an ihrer Oberseite mehrere, zueinander parallele, nach oben vorstehende Rippen 2 aufweist. Die Rippen 2 sind unmittelbar an die Platte 1 anbetoniert und haben vorzugsweise einen etwa trapezförmigen Querschnitt, wobei sie sich nach oben verjüngen; selbstverständlich sind aber auch andere Querschnittsformen möglich.According to Figures 1 and 2, the roof panel consists of a concrete slab 1, the top of which several, has mutually parallel, upwardly projecting ribs 2. The ribs 2 are concreted directly onto the plate 1 and preferably have an approximately trapezoidal cross section, tapering upwards; other cross-sectional shapes are of course also possible.

Die Dachtafel ist entsprechend den statischen Erfordernissen bewehrt, und zwar im Bereich der Platte 1 durch eine Bewehrung 3a, im Bereich der Rippen 2 durch eine Bewehrung 3b. Die Bewehrung 3a besteht meist aus einer Gittermatte, zumindest muß sie aber einige quer zu den Rippen 2 verlaufende Stäbe aufweisen. Die Bewehrung 3b erstreckt sich weitgehend über die Höhe der Rippen und weist Unter- und Obergurte auf, damit die Dachtafel genügende Biegesteifigkeit erhält. Sie kann aus einem Gitterträger oder einzeln angeordneten Bewehrungsstäben bestehen, worauf später noch eingegangen wird.The roof panel is reinforced according to the structural requirements, specifically in the area of the plate 1 by means of reinforcement 3a, in the area of the ribs 2 by means of reinforcement 3b. The reinforcement 3a usually consists of a mesh mat, but at least it must have some bars running transversely to the ribs 2. The reinforcement 3b extends largely over the height of the ribs and has lower and upper chords so that the roof panel is given sufficient flexural rigidity. It can consist of a lattice girder or individually arranged reinforcing bars, which will be discussed later.

Wesentlich ist nun, daß auf den Rippen 2, die in Richtung des Dachgefälles orientiert sind, Befestigungselemente 4 angeordnet sind, an denen unter Zwischenschaltung von Querträgern 5 die nicht dargestellte Dacheindeckung, meist Ziegel, aufgehängt wird. Die Befestigungselemente 4 bestehen aus länglichen Leisten, liegen flächig an der Oberseite der Rippen 2 auf und erstrecken sich durchgehend über die ganze Länge der Dachtafel. Sie entsprechen den herkömmlichen Sparren und gestatten somit dem Dachdecker die Querträger 5 in Form der üblichen Dachlatten im gewünschten Rasterabstand auf die Leisten 4 zu nageln.It is now essential that fastening elements 4 are arranged on the ribs 2, which are oriented in the direction of the roof slope, on which the roof covering, not shown, usually brick, is hung with the interposition of cross members 5. The fastening elements 4 consist of elongated strips, lie flat on the top of the ribs 2 and extend continuously over the entire length of the roof panel. They correspond to the conventional rafters and thus allow the roofer to nail the cross members 5 in the form of the usual roof battens to the strips 4 in the desired grid spacing.

Die Befestigungselemente 4 bestehen im allgemeinen aus Holzleisten und können direkt durch vorstehende Stifte 4a beim Vergießen der Dachtafel mit den Rippen 2 verbunden werden. Es ist jedoch auch möglich, die Befestigungselemente 4 unter Zwischenlage von Isolierkörpern an den Rippen 2 zu befestigen.The fastening elements 4 generally consist of wooden strips and can be connected directly to the ribs 2 by projecting pins 4a when the roof panel is cast. However, it is also possible to fasten the fastening elements 4 to the ribs 2 with the interposition of insulating bodies.

Der Zwischenraum zwischen den einzelnen Rippen 2 wird mit Isoliermaterial 6 ausgefüllt. Es erstreckt sich bis nahezu an die Oberseite der Befestigungselemente 4.The space between the individual ribs 2 is filled with insulating material 6. It extends almost to the top of the fastening elements 4.

Schließlich wird die Oberseite der Dachtafel durch eine Unterspannbahn 7 abgedeckt, die an der Oberseite der Rippen 2, zweckmäßigerweise aber an der Oberseite der Befestigungselemente 4 fixiert ist.Finally, the top of the roof panel is covered by an underlayment 7, which is fixed to the top of the ribs 2, but expediently to the top of the fastening elements 4.

Figur 1 zeigt noch die Auflagerung der Dachtafel auf einer Dachgeschoß- oder Zwischendecke 10. Zu diesem Zweck trägt die Decke 10 einen Auflagerschuh 11, der einbetoniert und/oder mit der Bewehrung der Decke 10 verbunden ist. Er ragt mit seinem Vorsprung in eine entsprechende Ausnehmung 12 in der Platte 1 der Dachtafel hinein und hält letztere durch eine in die genannte Ausnehmung einbetonierte metallische Anschlagfläche 13. Die Anschlagfläche 13 ist zweckmäßig mit der Bewehrung der Platte 1 verbunden, um die lokal eingeleitete Haltekraft in der Dachtafel zu verteilen.Figure 1 also shows the support of the roof panel on a top floor or false ceiling 10. For this purpose, the ceiling 10 carries a support shoe 11, which is concreted in and / or connected to the reinforcement of the ceiling 10. It protrudes with its projection into a corresponding recess 12 in the plate 1 of the roof panel and holds the latter by means of a metallic stop surface 13 concreted into the mentioned recess. The stop surface 13 is expediently connected to the reinforcement of the plate 1 in order to reduce the locally introduced holding force to distribute the roof panel.

Schließlich erkennt man in Figur 1 noch, wie auf den Befestigungselementen 4, etwa in Form von Holzsparren, die einzelnen Dachlatten 5 im gewünschten Rastermaß aufgenagelt sind.Finally, it can be seen in FIG. 1 how the individual roof battens 5 are nailed onto the fastening elements 4, for example in the form of wooden rafters, in the desired grid dimension.

Figur 4 zeigt verschiedene Bewehrungsmöglichkeiten für die Rippen 2. Wird mit einer vorgespannten Bewehrung gearbeitet, so genügen zwei oder drei übereinander angeordnete, gerade durchlaufende Bewehrungsstäbe, wie dies in Figur 4a und 4b dargestellt ist. Bei schlaffer Bewehrung empfehlen sich die üblichen Gitterträger, etwa gemäß Figur 2 oder Bewehrungskörbe etwa gemäß Figur 4c.FIG. 4 shows different reinforcement options for the ribs 2. If a prestressed reinforcement is used, two or three straight reinforcement bars arranged one above the other are sufficient, as shown in FIGS. 4a and 4b. If the reinforcement is flaccid, the usual lattice girders are recommended, e.g. according to FIG.

Die Breite der Dachtafeln liegt vorzugsweise zwischen 2,4 m bis 3 m, ihre Länge zwischen 8 m bis 12 m.The width of the roof panels is preferably between 2.4 m and 3 m, their length between 8 m and 12 m.

Wegen weiterer Einzelheiten der Dachtafel darf vollinhaltlich auf die eingangs genannte EP-A 494 612 verwiesen werden.For further details of the roof panel, reference may be made in full to the aforementioned EP-A 494 612.

Zusammenfassend liegt der Vorteil der erfindungsgemäßen Dachtafel darin, daß für die nach oben vorstehende, im bisher bekannten Fall frei liegende Bewehrung keine Korrosionsschutzmaßnahmen mehr notwendig sind und daß die Betonrippen auf den üblichen Abstand der Dachsparren abgestimmt werden können und somit eine ideale Basis für die Aufnahme der Befestigungselemente für die Dacheindeckung bilden.In summary, the advantage of the roof panel according to the invention is that no corrosion protection measures are necessary for the above-mentioned reinforcement, which was previously known, and that the concrete ribs can be matched to the usual spacing of the rafters and thus an ideal basis for accommodating the Form fastening elements for the roof covering.

Claims (10)

Dachtafel für geneigte Dächer, die aus einer selbsttragenden, bewehrten Platte (1) aus aushärtbarem Material, insbesondere Beton oder betonähnlichen Stoffen, besteht, wobei die Bewehrung (3b) oberhalb der Platte (1) entlang dem Dachgefälle verlaufende Stäbe aufweist, in deren Umgebung Befestigungselemente (4) angeordnet sind, an denen die Dacheindeckung zu befestigen ist,
dadurch gekennzeichnet,
daß die Dachtafel entlang dem Dachgefälle verlaufende Rippen (2) aus Beton oder betonähnlichen Stoffen aufweist, die einstückig mit der Platte (1) verbunden sind und in ihrem Inneren die oberhalb der Platte verlaufenden Bewehrungsstäbe (3b) aufnehmen und diese allseits ummanteln und daß die Rippen (2) an ihrer der Platte (1) abgewandten Seite die Befestigungselemente (4) für die Dacheindeckung aufweisen.Roof panel for pitched roofs, which consists of a self-supporting, reinforced plate (1) made of hardenable material, in particular concrete or concrete-like materials, with the reinforcement (3b) above the plate (1) having bars running along the roof slope, in the vicinity of which fastening elements (4) are arranged on which the roof covering is to be attached,
characterized,
that the roof panel along the roof slope ribs (2) made of concrete or concrete-like materials, which are integrally connected to the plate (1) and in their interior receive the reinforcing bars (3b) above the plate and encase them on all sides and that the ribs (2) have on their side facing away from the plate (1) the fastening elements (4) for the roof covering. Dachtafel nach Anspruch 1,
dadurch gekennzeichnet,
daß die Befestigungselemente (4) von den Rippen (2) getragen werden.Roof panel according to claim 1,
characterized,
that the fasteners (4) are carried by the ribs (2). Dachtafel nach Anspruch 1,
dadurch gekennzeichnet,
daß die Befestigungselemente (4) durch Stifte (4a), Schraubnägel oder dergleichen in die Rippen (2) einbetoniert sind.Roof panel according to claim 1,
characterized,
that the fastening elements (4) are concreted into the ribs (2) by means of pins (4a), screw nails or the like. Dachtafel nach Anspruch 1,
dadurch gekennzeichnet,
daß die Befestigungselemente (4) zusätzlich durch Formschluß an den Rippen (2) gehalten sind.Roof panel according to claim 1,
characterized,
that the fasteners (4) are additionally held by positive locking on the ribs (2). Dachtafel nach Anspruch 1,
dadurch gekennzeichnet,
daß die Befestigungselemente (4) aus entlang dem Dachgefälle verlaufenden Längsträgern bestehen.Roof panel according to claim 1,
characterized,
that the fastening elements (4) consist of longitudinal beams running along the roof slope. Dachtafel nach Anspruch 1,
dadurch gekennzeichnet,
daß die Befestigungselemente (4) aus Holz, Kunststoff: gepreßter Steinwolle oder einem anderen schlecht wärmeleitenden Werkstoff bestehen.Roof panel according to claim 1,
characterized,
that the fasteners (4) made of wood, plastic: pressed rock wool or some other poorly heat-conducting material. Dachtafel nach Anspruch 1,
dadurch gekennzeichnet,
daß die Befestigungselemente (4) unter Zwischenlage von Isolierkörpern an den Rippen (2) befestigt sind.Roof panel according to claim 1,
characterized,
that the fastening elements (4) are fastened to the ribs (2) with the interposition of insulating bodies. Dachtafel nach Anspruch 1, wobei auf den Platten (1) Isoliermaterial (6) angeordnet ist,
dadurch gekennzeichnet,
daß sich das Isoliermaterial (6) zumindest bis zur Oberseite der Rippen (2), vorzugsweise bis etwa zur Höhe der Befestigungselemente (4), erstreckt.Roof panel according to claim 1, wherein on the plates (1) insulating material (6) is arranged,
characterized,
that the insulating material (6) extends at least to the top of the ribs (2), preferably up to about the height of the fastening elements (4). Dachtafel nach Anspruch 1,
dadurch gekennzeichnet,
daß die Befestigungselemente (4) an ihrer Oberseite durch eine Unterspannbahn (7) abgedeckt sind, die sich nahezu über die gesamte Dachtafel erstreckt.Roof panel according to claim 1,
characterized,
that the fastening elements (4) are covered on their top by a sarking membrane (7) which extends almost over the entire roof panel. Dachtafel nach Anspruch 1,
dadurch gekennzeichnet,
daß die Bewehrung (3a, 3b) vorgespannt ist.Roof panel according to claim 1,
characterized,
that the reinforcement (3a, 3b) is prestressed.
EP96108306A 1995-07-03 1996-05-24 Roofing slab for sloping roofs Expired - Lifetime EP0752506B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19523673A DE19523673A1 (en) 1995-07-03 1995-07-03 Roof panel for sloping roofs
DE19523673 1995-07-03

Publications (2)

Publication Number Publication Date
EP0752506A1 true EP0752506A1 (en) 1997-01-08
EP0752506B1 EP0752506B1 (en) 2002-03-27

Family

ID=7765565

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96108306A Expired - Lifetime EP0752506B1 (en) 1995-07-03 1996-05-24 Roofing slab for sloping roofs

Country Status (5)

Country Link
US (1) US5794386A (en)
EP (1) EP0752506B1 (en)
CN (1) CN1143710A (en)
AT (1) ATE215160T1 (en)
DE (2) DE19523673A1 (en)

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Also Published As

Publication number Publication date
US5794386A (en) 1998-08-18
DE59608939D1 (en) 2002-05-02
CN1143710A (en) 1997-02-26
ATE215160T1 (en) 2002-04-15
DE19523673A1 (en) 1997-01-09
EP0752506B1 (en) 2002-03-27

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