EP1350899B1 - Fireproof glazing and supporting device for a flat building element - Google Patents

Fireproof glazing and supporting device for a flat building element Download PDF

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Publication number
EP1350899B1
EP1350899B1 EP20030405089 EP03405089A EP1350899B1 EP 1350899 B1 EP1350899 B1 EP 1350899B1 EP 20030405089 EP20030405089 EP 20030405089 EP 03405089 A EP03405089 A EP 03405089A EP 1350899 B1 EP1350899 B1 EP 1350899B1
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EP
European Patent Office
Prior art keywords
fire
pane
resisting
glass pane
frame
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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.)
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EP20030405089
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German (de)
French (fr)
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EP1350899A1 (en
Inventor
Ralf Linden
Christoph Rosenstein
Klaus Wildenhain
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Vetrotech Saint Gobain International AG
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Vetrotech Saint Gobain International AG
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Publication of EP1350899A1 publication Critical patent/EP1350899A1/en
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • E06B5/165—Fireproof windows
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/46—Special adaptation of floors for transmission of light, e.g. by inserts of glass

Definitions

  • the invention relates to a fire-resistant glazing and support for a plate-shaped component with a multilayer glass pane element and a fire side glued to this glass pane element fire protection pane, wherein the fire protection pane is set back along the edge with respect to the glass pane element.
  • a fire-resistant glazing of this kind is out EP 0 528 781 B1 known.
  • a fire-resistant glazing with a glass pane element seated in a holding frame is disclosed with a tempered silicate glass pane glued on the side of the fire, which terminates at a distance in front of the holding frame.
  • the prestressed silicate glass pane forms a fire protection pane, which is supported on the holding frame by additional protruding holding tongues.
  • this fire panel should provide for uniform heating and absorb heat energy, so that the underlying glass pane element can withstand the fire longer.
  • polyvinyl butyral or another suitable organic plastic is proposed for bonding the fire protection pane with the glass pane element.
  • the adhesive layer melts, so that the mechanical connection between the fire protection pane and the glass pane element is released.
  • the fire protection screen is now held only with the help of the point-wise holding elements in position. As a result, on the one hand prevents hazardous temperature differences and thus tensions occur in the fire panel and on the other hand, the length changes the fire panel will not be transferred to the glass pane element.
  • fire panels of this type with the corresponding brackets can not prevent the formation of thermal bridges over the fire panel to the glass pane element, since these two elements are in direct surface contact even when molten adhesive layer.
  • the holder is not suitable to absorb large forces and the proposed frame construction is only suitable for vertical installation.
  • the inventive design of the fire-resistant glazing and the holder has the advantage that in case of fire and softening of the adhesive layer between the fire panel and glass pane element, the fire protection glass falls on the arranged with vertical free distance to the outer surface of the fire protection bearing surfaces on the retaining strips. As a result, a gap is opened between the inner surface of the fire protection pane and the glass pane element, and there is no direct contact between the fire protection pane and the glass pane element. As the temperature increases, the adhesive present in this space decomposes, thereby consuming heat energy.
  • the air cushion extending over the entire inner surface of the fire protection pane acts as an additional Thermal insulation.
  • the glass pane element lying above the fire protection pane or the air cushion retains its full strength for a long time, so that components of the fire protection class G30 and higher can be formed in a simple manner.
  • the advantage is achieved that the fire protection pane is not exposed to any stresses due to thermal expansion when heated, since the fire protection pane can expand freely. This already applies if the adhesive layer is still intact and even if the adhesive bond has been destroyed and the fire protection pane has fallen onto the bearing surfaces of the retaining strips.
  • the width of the bearing surfaces of the retaining strips is at least twice as wide as the width of the free space between the edge surfaces of the fire protection pane and the frame.
  • a damping element is placed on the support surfaces of the retaining strips for the fire protection, this being in the free space between the outer surface of the fire protection pane and the bearing surfaces of the retaining strips.
  • damping elements may be made of a ceramic material, for example, and prevent damage to the fire protection pane after destroying the adhesive bond and also prevent direct heat transfer from the retaining strips to the fallen down and resting on the bearing surfaces fire protection.
  • the fireproof pane may consist of a simple fire-resistant safety glass, but may also be of multilayer construction, it also being possible in a suitable embodiment for intumescent intermediate layers to be present in a known manner.
  • a glass pane element also all types of known, conventional glazing can be used, ie it can be a laminated glass, an insulating glass or a single glass pane used.
  • the individual sheets may be made of plain float glass or may be tempered or partially tempered. It is advantageous if at least one of the discs of Glass pane element consists of a tempered safety glass.
  • the choice of the construction and the construction of the glass pane element is in a conventional manner depending on the vertical load and the load factors, for example, whether the plate-shaped component formed by the fire-resistant glazing and the bracket is committed only by persons or in extreme cases is driven by heavy vehicles ,
  • the load capacity of the plate-shaped component can additionally be adapted in a manner known per se to the loading factors.
  • the elastic intermediate elements also ensure a uniform load transfer between the glass pane element and the frame on which the glass pane element is placed.
  • the illustrated Fig. 1 shows a cross section through the edge region of an inventive plate-shaped component 1, which comprises a composite fire-resistant glass 2, 3 and a holder in the form of a frame 6.
  • the fire protection composite glass 2, 3 is only partially and only one side region of the frame 6 shown.
  • the frame 6 is a steel frame, which is arranged on all sides around the fire protection laminated glass 2, 3.
  • the fire protection composite glass is arranged, which consists of a glass pane element 2 and a fire protection pane 3.
  • the glass pane element 2 is constructed from three prestressed safety glasses 17, 18 and 19, which are glued to one another via the intermediate layers 25, 26.
  • the fire protection pane 3 is arranged, which is also glued to the glass pane element 2 via an intermediate layer 27.
  • the connection of the individual glasses 17, 18, 19 and 3 takes place doing in a known manner via adhesive bonds, for example via a thermoplastic adhesive film of polyvinyl butyral or other suitable bonding agent.
  • the glass pane element 2 can have any desired dimensions and in the example shown has, for example, a length of 200 cm and a width of 170 cm.
  • the length and width of the fire protection pane 3 is smaller, so that the edge region 4 of the fire protection pane 3 is set back relative to the edge surface 20 of the glass pane element 2.
  • an edge surface 21 of an edge region 7 of the glass pane element 2 is free from the width of approximately 3 cm.
  • This exposed edge region 7 of the glass pane element 2 rests on retaining surfaces 8 of the frame 6.
  • the fire-resistant glazing which is formed from the glass pane element 2 and the fire protection pane 3 is inserted approximately horizontally into the floor construction 5.
  • elastic intermediate elements 22 and 23 are inserted, which serve for optimal transmission of forces between the glass pane element 2 and the frame 6 and the compensation of differences in length.
  • These elastic intermediate elements 22, 23 may consist of a heat-resistant elastomer, for example a silicone profile or another suitable material, for example a silicone tube or a ceramic fiber cord.
  • a permanently elastic sealing compound 29 for example a fire protection silicone compound.
  • a free gap 15 is formed, which is so wide that the edge surface 14 of the fire protection pane 3 under no circumstances abuts against the frame 6. As a result, the free mobility of the fire protection pane 3 is ensured in case of fire.
  • a retaining strip 10 is arranged, which runs in the illustrated example along the entire circumference of the fire protection pane 3.
  • This retaining strip 10 overlaps the region of the edge 4 of the fire protection pane 3 and has a support surface 11.
  • This bearing surface 11 is directed against the outer surface 12 of the fire protection pane 3 and positioned at a vertical free distance to this outer surface 12.
  • This vertical free distance between the bearing surface 11 on the retaining strips 10 and the outer surface 12 on the fire protection pane 3 in the assembled state can be one to several millimeters depending on the configuration.
  • circumferentially or partially damping elements 16 are mounted, which consist of flexible ceramic strips in the example shown. These damping elements 16 protect the fire panel 3 from damage and also prevent the direct heat transfer between the retaining strips 10 and the resting in case of fire on the damping elements 16 fire protection third
  • the illustrated plate-shaped component 1 is constructed so that it has a large fire resistance against a fire under the component 1. It is therefore particularly suitable for installation as a translucent base plate on underlying fire-prone rooms. Occurs under the plate-shaped component 1, a fire, so the fire protection pane 3 is directed against this fire. For the time being, the fire protection pane 3 stores a certain amount of heat and heats up. At temperatures above 100 ° C, the interlayer 27 of polyvinyl butyral used in the example begins to melt until the adhesion of the adhesive layer 27 is degraded so far that the fire protection pane 3 by its own weight on the support surfaces 11, and the damping elements 16 on the retaining strips 10th falling.
  • the fire protection pane 3 can also be formed as a multi-layer pane with one or more intermediate fire protection layers which foam in the event of fire. This is possible in a simple manner, since the adaptation of the frame 6, or the retaining strips 10 in the simplest way possible.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Laminated Bodies (AREA)

Description

Die Erfindung bezieht sich auf eine Brandschutzverglasung und Halterung für ein plattenförmiges Bauelement mit einem mehrschichtigen Glasscheibenelement und einer brandseitig auf dieses Glasscheibenelement aufgeklebten Brandschutzscheibe, wobei die Brandschutzscheibe entlang des Randes gegenüber dem Glasscheibenelement zurückgesetzt ist.The invention relates to a fire-resistant glazing and support for a plate-shaped component with a multilayer glass pane element and a fire side glued to this glass pane element fire protection pane, wherein the fire protection pane is set back along the edge with respect to the glass pane element.

Eine Brandschutzverglasung dieser Art ist aus EP 0 528 781 B1 bekannt. Darin wird eine Brandschutzverglasung mit einem in einem Halterahmen sitzenden Glasscheibenelement mit einer brandseitig aufgeklebten vorgespannten Silikatglasscheibe, welche mit Abstand vor dem Halterahmen endet, offenbart. Die vorgespannte Silikatglasscheibe bildet dabei eine Brandschutzscheibe, welche am Halterahmen durch zusätzliche vorstehende Haltezungen abgestützt ist. Im Brandfalle soll diese Brandschutzscheibe für eine gleichmässige Erwärmung sorgen und Wärmeenergie absorbieren, so dass das dahinterliegende Glasscheibenelement dem Feuer länger standhalten kann. Zur Verklebung der Brandschutzscheibe mit dem Glasscheibenelement wird beispielsweise Polyvinylbutyral oder ein anderer geeigneter organischer Kunststoff vorgeschlagen. Während der Hitzeeinwirkung bei einem Brand schmilzt die Klebeschicht, so dass die mechanische Verbindung zwischen der Brandschutzscheibe und dem Glasscheibenelement gelöst wird. Die Brandschutzscheibe wird nun nur noch mit Hilfe der punktweise angebrachten Halteelemente in ihrer Position gehalten. Dadurch wird einerseits verhindert, dass in der Brandschutzscheibe gefährliche Temperaturdifferenzen und damit Spannungen auftreten und andererseits die Längenveränderungen der Brandschutzscheibe nicht auf das Glasscheibenelement übertragen werden.A fire-resistant glazing of this kind is out EP 0 528 781 B1 known. Therein, a fire-resistant glazing with a glass pane element seated in a holding frame is disclosed with a tempered silicate glass pane glued on the side of the fire, which terminates at a distance in front of the holding frame. The prestressed silicate glass pane forms a fire protection pane, which is supported on the holding frame by additional protruding holding tongues. In case of fire, this fire panel should provide for uniform heating and absorb heat energy, so that the underlying glass pane element can withstand the fire longer. For bonding the fire protection pane with the glass pane element, for example polyvinyl butyral or another suitable organic plastic is proposed. During the heat in the event of a fire, the adhesive layer melts, so that the mechanical connection between the fire protection pane and the glass pane element is released. The fire protection screen is now held only with the help of the point-wise holding elements in position. As a result, on the one hand prevents hazardous temperature differences and thus tensions occur in the fire panel and on the other hand, the length changes the fire panel will not be transferred to the glass pane element.

Brandschutzscheiben dieser Art mit den entsprechenden Halterungen können jedoch die Bildung von Wärmebrücken über die Brandschutzscheibe zum Glasscheibenelement nicht verhindern, da diese beiden Elemente auch bei geschmolzener Klebeschicht in direktem Oberflächenkontakt stehen. Im weiteren ist die Halterung nicht geeignet, grosse Kräfte aufzunehmen und die vorgeschlagene Rahmenkonstruktion ist nur für vertikalen Einbau geeignet.However, fire panels of this type with the corresponding brackets can not prevent the formation of thermal bridges over the fire panel to the glass pane element, since these two elements are in direct surface contact even when molten adhesive layer. Furthermore, the holder is not suitable to absorb large forces and the proposed frame construction is only suitable for vertical installation.

Es ist Aufgabe der vorliegenden Erfindung, eine Brandschutzverglasung und eine zugehörige Halterung vorzuschlagen, welche für den horizontalen Einbau, insbesondere in Bodenkonstruktionen, geeignet ist und bei welcher im Brandfalle direkte Wärmebrücken zwischen der Brandschutzscheibe und dem Glasscheibenelement verhindert werden und die Standzeit der Verglasung im Brandfalle erhöht wird.It is an object of the present invention to provide a fire-resistant glazing and an associated bracket, which is suitable for horizontal installation, especially in floor constructions, and in which direct thermal bridges between the fire protection pane and the glass pane element are prevented in case of fire and increases the service life of the glazing in case of fire becomes.

Diese Aufgabe wird durch die im kennzeichnenden Teil des Patentanspruches 1 definierten Merkmale gelöst. Vorteilhafte Weiterbildungen der Erfindung ergeben sich nach den Merkmalen der abhängigen Patentansprüche.This object is solved by the features defined in the characterizing part of claim 1. Advantageous developments of the invention will become apparent after the features of the dependent claims.

Die erfindungsgemässe Ausgestaltung der Brandschutzverglasung und der Halterung weist den Vorteil auf, dass im Brandfalle und bei Erweichung der Klebeschicht zwischen Brandschutzscheibe und Glasscheibenelement die Brandschutzscheibe auf die mit vertikalem freiem Abstand zur Aussenfläche der Brandschutzscheibe angeordneten Auflageflächen an den Halteleisten fällt. Dadurch wird zwischen der Innenfläche der Brandschutzscheibe und dem Glasscheibenelement ein Zwischenraum geöffnet, und es besteht kein direkter Kontakt mehr zwischen der Brandschutzscheibe und dem Glasscheibenelement. Bei zunehmender Temperatur zersetzt sich der in diesem Zwischenraum vorhandene Klebstoff und verbraucht dadurch Wärmeenergie. Das sich über die ganze Innenfläche der Brandschutzscheibe erstreckende Luftpolster wirkt als zusätzliche Wärmeisolation. Das über der Brandschutzscheibe bzw. dem Luftpolster liegende Glasscheibenelement behält über lange Zeit seine volle Festigkeit, so dass in einfacher Weise Bauelemente der Brandschutzklasse G30 und höher gebildet werden können.The inventive design of the fire-resistant glazing and the holder has the advantage that in case of fire and softening of the adhesive layer between the fire panel and glass pane element, the fire protection glass falls on the arranged with vertical free distance to the outer surface of the fire protection bearing surfaces on the retaining strips. As a result, a gap is opened between the inner surface of the fire protection pane and the glass pane element, and there is no direct contact between the fire protection pane and the glass pane element. As the temperature increases, the adhesive present in this space decomposes, thereby consuming heat energy. The air cushion extending over the entire inner surface of the fire protection pane acts as an additional Thermal insulation. The glass pane element lying above the fire protection pane or the air cushion retains its full strength for a long time, so that components of the fire protection class G30 and higher can be formed in a simple manner.

Durch die Anordnung eines freien Zwischenraumes zwischen den Kantenflächen der Brandschutzscheibe und dem Rahmen wird der Vorteil erreicht, dass die Brandschutzscheibe bei Erwärmung keinen Spannungen infolge der Wärmedehnung ausgesetzt wird, da sich die Brandschutzscheibe frei ausdehnen kann. Dies gilt bereits, wenn die Klebeschicht noch intakt ist und auch dann, wenn die Klebeverbindung zerstört und die Brandschutzscheibe auf die Auflageflächen der Halteleisten heruntergefallen ist. Die Breite der Auflageflächen der Halteleisten ist dabei mindestens doppelt so breit ausgebildet wie die Breite des freien Zwischenraumes zwischen den Kantenflächen der Brandschutzscheibe und dem Rahmen. In vorteilhafter Weise ist auf den Auflageflächen der Halteleisten für die Brandschutzscheibe ein Dämpfungselement aufgelegt, wobei sich dieses im freien Zwischenraum zwischen der Aussenfläche der Brandschutzscheibe und den Auflageflächen der Halteleisten befindet. Diese Dämpfungselemente können beispielsweise aus einem keramischen Material sein und verhindern eine Beschädigung der Brandschutzscheibe nach dem Zerstören der Klebeverbindung und verhindern aber auch einen direkten Wärmeübergang von den Halteleisten auf die heruntergefallene und auf den Auflageflächen aufliegende Brandschutzscheibe.By arranging a free space between the edge surfaces of the fire protection pane and the frame, the advantage is achieved that the fire protection pane is not exposed to any stresses due to thermal expansion when heated, since the fire protection pane can expand freely. This already applies if the adhesive layer is still intact and even if the adhesive bond has been destroyed and the fire protection pane has fallen onto the bearing surfaces of the retaining strips. The width of the bearing surfaces of the retaining strips is at least twice as wide as the width of the free space between the edge surfaces of the fire protection pane and the frame. Advantageously, a damping element is placed on the support surfaces of the retaining strips for the fire protection, this being in the free space between the outer surface of the fire protection pane and the bearing surfaces of the retaining strips. These damping elements may be made of a ceramic material, for example, and prevent damage to the fire protection pane after destroying the adhesive bond and also prevent direct heat transfer from the retaining strips to the fallen down and resting on the bearing surfaces fire protection.

Die Brandschutzscheibe kann aus einem einfachen Brandschutzsicherheitsglas bestehen, kann aber auch mehrschichtig aufgebaut sein, wobei bei geeigneter Ausgestaltung auch in bekannter Weise aufschäumende Zwischenschichten vorhanden sein können. Als Glasscheibenelement können ebenfalls alle Arten von bekannten, üblichen Verglasungen eingesetzt werden, d.h. es kann eine Verbundglasscheibe, eine Isolierglasscheibe oder auch eine Einzelglasscheibe eingesetzt sein. Bei Brandschutzverbund- oder Isolierverbundgläsern können die Einzelscheiben aus einfachem Floatglas bestehen oder vorgespannt oder teilvorgespannt sein. Vorteilhaft ist sicher, wenn mindestens eine der Scheiben des Glasscheibenelementes aus einem vorgespannten Sicherheitsglas besteht. Die Wahl des Aufbaus und der Konstruktion des Glasscheibenelementes ist in an sich bekannter Weise von der vertikalen Belastung und den Belastungsfaktoren abhängig, z.B. ob das mittels der Brandschutzverglasung und der Halterung gebildete plattenförmige Bauelement nur von Personen begangen wird oder im Extremfall auch von schweren Fahrzeugen befahren wird. Durch den Einbau von elastischen Zwischenelementen zwischen den Kanten und Randflächen des Glasscheibenelementes und dem Rahmen kann die Belastungsfähigkeit des plattenförmigen Bauelementes zusätzlich in an sich bekannter Weise an die Belastungsfaktoren angepasst werden. Die elastischen Zwischenelemente gewährleisten auch eine gleichmässige Lastübertragung zwischen dem Glasscheibenelement und dem Rahmen, auf welchen das Glasscheibenelement aufgelegt ist.The fireproof pane may consist of a simple fire-resistant safety glass, but may also be of multilayer construction, it also being possible in a suitable embodiment for intumescent intermediate layers to be present in a known manner. As a glass pane element also all types of known, conventional glazing can be used, ie it can be a laminated glass, an insulating glass or a single glass pane used. In composite fireproof or insulated glass, the individual sheets may be made of plain float glass or may be tempered or partially tempered. It is advantageous if at least one of the discs of Glass pane element consists of a tempered safety glass. The choice of the construction and the construction of the glass pane element is in a conventional manner depending on the vertical load and the load factors, for example, whether the plate-shaped component formed by the fire-resistant glazing and the bracket is committed only by persons or in extreme cases is driven by heavy vehicles , By incorporating elastic intermediate elements between the edges and edge surfaces of the glass pane element and the frame, the load capacity of the plate-shaped component can additionally be adapted in a manner known per se to the loading factors. The elastic intermediate elements also ensure a uniform load transfer between the glass pane element and the frame on which the glass pane element is placed.

Im folgenden wird die Erfindung anhand eines Ausführungsbeispieles unter Bezugnahme auf die beiliegende Zeichnung näher erläutert.In the following the invention will be explained in more detail with reference to an embodiment with reference to the accompanying drawings.

Die dargestellte Fig. 1 zeigt einen Querschnitt durch den Randbereich eines erfindungsgemässen plattenförmigen Bauelementes 1, welches ein Brandschutzverbundglas 2, 3 und eine Halterung in der Form eines Rahmens 6 umfasst. Dabei ist das Brandschutzverbundglas 2, 3 nur teilweise und nur ein Seitenbereich des Rahmens 6 dargestellt. In einer Bodenkonstruktion 5 mit einer begeh- und/oder befahrbaren Fläche 24 ist der Rahmen 6 eingelassen und damit verbunden. Im dargestellten Beispiel handelt es sich beim Rahmen 6 um einen Stahlrahmen, welcher allseitig um das Brandschutzverbundglas 2, 3 angeordnet ist. Innerhalb dieses Rahmens 6 ist das Brandschutzverbundglas angeordnet, welches aus einem Glasscheibenelement 2 und einer Brandschutzscheibe 3 besteht. Im dargestellten Beispiel ist das Glasscheibenelement 2 aus drei vorgespannten Sicherheitsgläsern 17, 18 und 19 aufgebaut, welche über die Zwischenschichten 25, 26 miteinander verklebt sind. An der unteren gegen die allfällige Brandseite gerichtete Seite des Glasscheibenelementes 2 ist die Brandschutzscheibe 3 angeordnet, welche ebenfalls über eine Zwischenschicht 27 mit dem Glasscheibenelement 2 verklebt ist. Die Verbindung der einzelnen Gläser 17, 18, 19 und 3 miteinerfolgt dabei in bekannter Weise über Klebeverbindungen, beispielsweise über eine thermoplastische Klebefolie aus Polyvinylbutyral oder einem anderen geeigneten Verbindungsmittel. Das Glasscheibenelement 2 kann beliebige Abmessungen aufweisen und weist im dargestellten Beispiel beispielsweise eine Länge von 200 cm und eine Breite von 170 cm auf. Die Länge und die Breite der Brandschutzscheibe 3 ist dabei kleiner, so dass der Randbereich 4 der Brandschutzscheibe 3 gegenüber der Kantenfläche 20 des Glasscheibenelementes 2 zurückgesetzt ist. Im dargestellten Beispiel liegt eine Randfläche 21 eines Randbereiches 7 des Glasscheibenelementes 2 von der Breite von ca. 3 cm frei. Dieser freiliegende Randbereich 7 des Glasscheibenelementes 2 liegt auf Halteflächen 8 des Rahmens 6 auf. Auf diese Weise ist die Brandschutzverglasung, welche aus dem Glasscheibenelement 2 und der Brandschutzscheibe 3 gebildet ist, etwa horizontal in die Bodenkonstruktion 5 eingesetzt. Zwischen den Kantenflächen 20 und den Randflächen 21 des Glasscheibenelementes 2 und dem Rahmen 6 sind elastische Zwischenelemente 22 und 23 eingelegt, welche zur optimalen Übertragung der Kräfte zwischen dem Glasscheibenelement 2 und dem Rahmen 6 und dem Ausgleich von Längendifferenzen dienen. Diese elastischen Zwischenelemente 22, 23 können aus einem wärmebeständigen Elastomer, z.B. einem Silikonprofil oder einem anderen geeigneten Material, z.B. einem Silikonschlauch oder einer Keramikfaserschnur, bestehen. Im Bereich der Oberfläche 24 ist der Spalt zwischen dem Rahmen 6 und dem Glasscheibenelement 2 mit einer dauerelastischen Dichtungsmasse 29, beispielsweise einer Brandschutzsilikonmasse ausgefüllt. Zwischen der Kantenfläche 14 der Brandschutzscheibe 3 und dem Rahmen 6 ist ein freier Zwischenraum 15 ausgebildet, welcher so breit ist, dass die Kantenfläche 14 der Brandschutzscheibe 3 unter keinen Umständen an den Rahmen 6 anstösst. Dadurch wird die freie Beweglichkeit der Brandschutzscheibe 3 im Brandfalle gewährleistet.The illustrated Fig. 1 shows a cross section through the edge region of an inventive plate-shaped component 1, which comprises a composite fire-resistant glass 2, 3 and a holder in the form of a frame 6. Here, the fire protection composite glass 2, 3 is only partially and only one side region of the frame 6 shown. In a floor construction 5 with a walk-on and / or passable surface 24 of the frame 6 is embedded and connected thereto. In the example shown, the frame 6 is a steel frame, which is arranged on all sides around the fire protection laminated glass 2, 3. Within this frame 6, the fire protection composite glass is arranged, which consists of a glass pane element 2 and a fire protection pane 3. In the example shown, the glass pane element 2 is constructed from three prestressed safety glasses 17, 18 and 19, which are glued to one another via the intermediate layers 25, 26. At the lower side directed against the possible fire side of the glass pane element 2, the fire protection pane 3 is arranged, which is also glued to the glass pane element 2 via an intermediate layer 27. The connection of the individual glasses 17, 18, 19 and 3 takes place doing in a known manner via adhesive bonds, for example via a thermoplastic adhesive film of polyvinyl butyral or other suitable bonding agent. The glass pane element 2 can have any desired dimensions and in the example shown has, for example, a length of 200 cm and a width of 170 cm. The length and width of the fire protection pane 3 is smaller, so that the edge region 4 of the fire protection pane 3 is set back relative to the edge surface 20 of the glass pane element 2. In the example shown, an edge surface 21 of an edge region 7 of the glass pane element 2 is free from the width of approximately 3 cm. This exposed edge region 7 of the glass pane element 2 rests on retaining surfaces 8 of the frame 6. In this way, the fire-resistant glazing, which is formed from the glass pane element 2 and the fire protection pane 3, is inserted approximately horizontally into the floor construction 5. Between the edge surfaces 20 and the edge surfaces 21 of the glass pane element 2 and the frame 6 elastic intermediate elements 22 and 23 are inserted, which serve for optimal transmission of forces between the glass pane element 2 and the frame 6 and the compensation of differences in length. These elastic intermediate elements 22, 23 may consist of a heat-resistant elastomer, for example a silicone profile or another suitable material, for example a silicone tube or a ceramic fiber cord. In the area of the surface 24, the gap between the frame 6 and the glass pane element 2 is filled with a permanently elastic sealing compound 29, for example a fire protection silicone compound. Between the edge surface 14 of the fire protection pane 3 and the frame 6, a free gap 15 is formed, which is so wide that the edge surface 14 of the fire protection pane 3 under no circumstances abuts against the frame 6. As a result, the free mobility of the fire protection pane 3 is ensured in case of fire.

An einem unteren Teilbereich 9 des Rahmens 6 ist eine Halteleiste 10 angeordnet, welche im dargestellten Beispiel entlang des gesamten Umfanges der Brandschutzscheibe 3 verläuft. Diese Halteleiste 10 übergreift den Bereich des Randes 4 der Brandschutzscheibe 3 und weist eine Auflagefläche 11 auf. Diese Auflagefläche 11 ist gegen die Aussenfläche 12 der Brandschutzscheibe 3 gerichtet und mit einem vertikalen freien Abstand zu dieser Aussenfläche 12 positioniert. Dieser vertikale freie Abstand zwischen der Auflagefläche 11 an den Halteleisten 10 und der Aussenfläche 12 an der Brandschutzscheibe 3 im Montagezustand kann je nach Ausgestaltung einen bis mehrere Millimeter betragen. Auf den Auflageflächen 11 sind umlaufend oder teilweise Dämpfungselemente 16 angebracht, welche im dargestellten Beispiel aus flexiblen keramischen Streifen bestehen. Diese Dämpfungselemente 16 schützen die Brandschutzscheibe 3 vor Beschädigungen und verhindern zudem den direkten Wärmeübergang zwischen den Halteleisten 10 und der im Brandfalle auf den Dämpfungselementen 16 aufliegenden Brandschutzscheibe 3.At a lower portion 9 of the frame 6, a retaining strip 10 is arranged, which runs in the illustrated example along the entire circumference of the fire protection pane 3. This retaining strip 10 overlaps the region of the edge 4 of the fire protection pane 3 and has a support surface 11. This bearing surface 11 is directed against the outer surface 12 of the fire protection pane 3 and positioned at a vertical free distance to this outer surface 12. This vertical free distance between the bearing surface 11 on the retaining strips 10 and the outer surface 12 on the fire protection pane 3 in the assembled state can be one to several millimeters depending on the configuration. On the bearing surfaces 11 circumferentially or partially damping elements 16 are mounted, which consist of flexible ceramic strips in the example shown. These damping elements 16 protect the fire panel 3 from damage and also prevent the direct heat transfer between the retaining strips 10 and the resting in case of fire on the damping elements 16 fire protection third

Das dargestellte plattenförmige Bauelement 1 ist so aufgebaut, dass es einen grossen Feuerwiderstand gegen einen Brandherd unter dem Bauelement 1 aufweist. Es ist deshalb insbesondere für den Einbau als lichtdurchlässige Bodenplatte über darunterliegenden feuergefährdeten Räumen geeignet. Tritt unter dem plattenförmigen Bauelement 1 ein Brandherd auf, so ist die Brandschutzscheibe 3 gegen diesen Brandherd gerichtet. Vorerst speichert die Brandschutzscheibe 3 eine gewisse Wärmemenge und erwärmt sich. Bei Temperaturen über 100°C beginnt die im dargestellten Beispiel verwendete Zwischenschicht 27 aus Polyvinylbutyral zu schmelzen bis die Haftungsfähigkeit der Klebeschicht 27 so weit abgebaut ist, dass die Brandschutzscheibe 3 durch ihr Eigengewicht auf die Auflageflächen 11, bzw. die Dämpfungselemente 16 an den Halteleisten 10 herunterfällt. Diese Trennung zwischen der Brandschutzscheibe 3 und dem Glasscheibenelement 2 erfolgt im Brandfalle bevor das Glasscheibenelement 2 wesentlich wärmt wird. Als Folge dieses Vorganges entsteht zwischen der Innenfläche 13 der Brandschutzscheibe 3 und der unteren Fläche 28 des Glasscheibenelementes 2 ein freier Zwischenraum und es bestehen keine direkten Wärmebrücken mehr zwischen der Brandschutzscheibe 3 und dem Glasscheibenelement 2. Bei weiterer Erwärmung der Brandschutzscheibe 3 wird die Zwischenschicht 27 zersetzt und verdampft, wodurch zusätzliche Wärmeenergie absorbiert wird. Der luftgefüllte Zwischenraum zwischen der Brandschutzscheibe 3 und dem Glasscheibenelement 2 dient als Wärmeisolator, so dass mit dem erfindungsgemässen plattenförmigen Bauelement 1 eine hohe Feuerwiderstandsdauer erreicht wird. Wenn auf der feuerabgewendeten oberen Seite des Bauelementes 1 auch ein Schutz gegen Wärmestrahlung gewünscht wird, kann die Brandschutzscheibe 3 auch als Mehrschichtscheibe mit einer oder mehreren zwischengelagerten Brandschutzschichten, welche im Brandfalle aufschäumen, ausgebildet werden. Dies ist in einfacher Weise möglich, da die Anpassung des Rahmens 6, bzw. der Halteleisten 10 in einfachster Weise möglich ist.The illustrated plate-shaped component 1 is constructed so that it has a large fire resistance against a fire under the component 1. It is therefore particularly suitable for installation as a translucent base plate on underlying fire-prone rooms. Occurs under the plate-shaped component 1, a fire, so the fire protection pane 3 is directed against this fire. For the time being, the fire protection pane 3 stores a certain amount of heat and heats up. At temperatures above 100 ° C, the interlayer 27 of polyvinyl butyral used in the example begins to melt until the adhesion of the adhesive layer 27 is degraded so far that the fire protection pane 3 by its own weight on the support surfaces 11, and the damping elements 16 on the retaining strips 10th falling. This separation between the fire protection pane 3 and the glass pane element 2 takes place in the event of fire before the glass pane element 2 is substantially heated. As a result of this process arises between the inner surface 13 of the fire protection pane 3 and the lower surface 28 of the glass pane element 2, a free space and there are no direct thermal bridges between the fire protection pane 3 and the glass pane element 2. Upon further heating of the fire protection pane 3, the intermediate layer 27 is decomposed and evaporates, absorbing additional heat energy. The air-filled gap between the fire protection pane 3 and the glass pane element 2 serves as a heat insulator, so that a high fire resistance duration is achieved with the inventive plate-shaped component 1. If a protection against heat radiation is desired on the fire-exposed upper side of the component 1, the fire protection pane 3 can also be formed as a multi-layer pane with one or more intermediate fire protection layers which foam in the event of fire. This is possible in a simple manner, since the adaptation of the frame 6, or the retaining strips 10 in the simplest way possible.

Claims (5)

  1. Fire-resisting glazing (2, 3) in the form of a panel-shaped structural element (1) comprising a laminated glass pane element (2) and a fire-resisting pane (3) glued at the fire side onto said glass pane element (2), wherein the fire-resisting pane (3) along the boundary (4) is set back relative to the glass pane element (2) and wherein the panel-shaped structural element comprises a mounting, characterized in that the fire-resisting glazing (2, 3) is insertable approximately horizontally into a floor structure (5) and is laid onto a frame (6), wherein the fire-resisting pane (3) is directed downwards and the boundary regions (7) of the glass pane element (2) rest on an approximately horizontal mounting surface (8) of the frame (6), on the bottom part (9) of the frame (6) mounting strips (10) are disposed, which overlap the boundary region (4) of the fire-resisting pane (3) and said mounting strips (10) have bearing surfaces (11), which are disposed with a vertical clearance relative to the outer surface (12) of the fire-resisting pane (3).
  2. Fire-resisting glazing (2, 3) according to claim 1, characterized in that a clear gap (15) is formed between the edge surfaces (14) of the fire-resisting pane (3) and the frame (6) and the width of the bearing surfaces (11) of the mounting strips (10) is at least twice as great as the horizontal width of said clear gap (15).
  3. Fire-resisting glazing (2, 3) according to claim 1 or 2, characterized in that a damping element (16) is inserted between the bearing surfaces (11) of the mounting strips (10) for the fire-resisting pane (3) and the outer side (12) of the fire-resisting pane (3).
  4. Fire-resisting glazing (2, 3) according to one of claims 1 to 3, characterized in that at least one of the panes (17, 18, 19) of the glass pane element (2) is a safety glass pane.
  5. Fire-resisting glazing (2, 3) according to one of claims 1 to 4, characterized in that flexible intermediate elements (22, 23) are inserted between the edge- and boundary surfaces (20, 21) of the glass pane element (2) and the frame (6).
EP20030405089 2002-04-02 2003-02-17 Fireproof glazing and supporting device for a flat building element Expired - Lifetime EP1350899B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH5492002 2002-04-02
CH5492002 2002-04-02

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EP1350899A1 EP1350899A1 (en) 2003-10-08
EP1350899B1 true EP1350899B1 (en) 2007-11-21

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EP20030405089 Expired - Lifetime EP1350899B1 (en) 2002-04-02 2003-02-17 Fireproof glazing and supporting device for a flat building element

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EP (1) EP1350899B1 (en)
AT (1) AT6749U1 (en)
DE (2) DE50308627D1 (en)
DK (1) DK1350899T3 (en)
ES (1) ES2295542T3 (en)
FR (1) FR2839526B3 (en)
PT (1) PT1350899E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3101195A1 (en) 2015-06-01 2016-12-07 FAKRO PP Sp. z o.o. Rooflight with glazed unit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10738483B1 (en) * 2019-03-22 2020-08-11 O'keefe's, Inc. Framing device for a glass floor
CN104481365A (en) * 2014-12-01 2015-04-01 江苏省金鑫安防设备有限公司 Novel burglary resistant safety door and preparation method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE75808T1 (en) * 1987-12-09 1992-05-15 Koller Metallbau Gmbh PANEL STRUCTURES FOR THE FORMATION OF A FAÇADE OR SIMILAR IN A BUILDING.
AT395745B (en) * 1991-07-17 1993-02-25 Brueder Eckelt & Co Glastech FIRE PROTECTION GLAZING
FR2723123B1 (en) * 1994-07-29 1996-08-30 Stefanovic Branislav 120 MINUTES FIRE-RESISTANT GLASS FLOORING

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3101195A1 (en) 2015-06-01 2016-12-07 FAKRO PP Sp. z o.o. Rooflight with glazed unit

Also Published As

Publication number Publication date
EP1350899A1 (en) 2003-10-08
FR2839526B3 (en) 2004-06-18
DE20305238U1 (en) 2003-06-05
ES2295542T3 (en) 2008-04-16
DE50308627D1 (en) 2008-01-03
FR2839526A1 (en) 2003-11-14
DK1350899T3 (en) 2008-01-07
PT1350899E (en) 2007-12-11
AT6749U1 (en) 2004-03-25

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