WO2006069672A1 - Element creux transparent retardant le feu, et panneau prefabrique comportant des elements creux de ce type - Google Patents

Element creux transparent retardant le feu, et panneau prefabrique comportant des elements creux de ce type Download PDF

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Publication number
WO2006069672A1
WO2006069672A1 PCT/EP2005/013696 EP2005013696W WO2006069672A1 WO 2006069672 A1 WO2006069672 A1 WO 2006069672A1 EP 2005013696 W EP2005013696 W EP 2005013696W WO 2006069672 A1 WO2006069672 A1 WO 2006069672A1
Authority
WO
WIPO (PCT)
Prior art keywords
hollow
hollow element
element according
fire
layer
Prior art date
Application number
PCT/EP2005/013696
Other languages
German (de)
English (en)
Inventor
Henning Franek
Horst Saynisch
Original Assignee
Solaris Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Solaris Gmbh filed Critical Solaris Gmbh
Publication of WO2006069672A1 publication Critical patent/WO2006069672A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C1/00—Building elements of block or other shape for the construction of parts of buildings
    • E04C1/42—Building elements of block or other shape for the construction of parts of buildings of glass or other transparent material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/54—Slab-like translucent elements
    • E04C2/546—Slab-like translucent elements made of glass bricks

Definitions

  • the invention relates to a fire-retardant translucent hollow element, in particular a hollow glass component, with the features of the preamble of claim 1.
  • the invention also relates to wall elements which are produced from such hollow elements or using such hollow elements.
  • JP002004068386 discloses fire protection hollow glass building blocks with a filling of a fire protection compound, which is to allow a classification as F60-Baumateriali- (service life 60 minutes). Accordingly, the entire interior is filled with this fire protection compound, which must therefore be translucent, if the so-filled block itself should let light.
  • EP 0 853 166 B1, EP 0 853 167 B1 and EP 0 853 168 B1 describe, in particular, single and / or multi-chamber, particularly thick-walled hollow glass building blocks designed for fire protection with fire protection classification, which in principle have no further measures already form a good fire protection.
  • DE 297 21 210 U describes a hollow glass module with a built-in between its two shells translucent glass, which may be provided with a reflective infrared rays coating.
  • the US Patent 5,845,443 describes created from hollow glass blocks wall element with fire protection character. Thereafter, refractory profiles of pressed fiber cement are inserted and fixed using silicone adhesive in the cavities between conventional hollow glass blocks. They also define the distances between the blocks and connect these sufficiently tightly together to prevent bursting of the joints in case of fire or at least to delay. The outer joints are filled with a fire-retardant sealant. When the block or block rows are horizontal, the profiles run in both the horizontal and vertical cavities.
  • Promat Manual Structural Fire Protection A2 with date of printing 12/2003 are known fire-resistant putties and masses under the brand “PROMASEAL ® " Promat, which are suitable for sealing joints in construction. Also plate or strip fire protection materials are described therein, but they are not translucent.
  • the invention is based on the object to provide an improved translucent hollow element with fire protection effect.
  • the independent claim 13 relates to a wall element in which such improved hollow elements are used.
  • Cooling means in this context that the material or the mass may have during foaming and then a certain heat absorption capacity, as is customary in water glass-based fire protection compounds used in the flat glass sector.
  • materials are mainly plate or strip-shaped fabrics made of flat material in question, which can be fixed in the interior of the hollow element. Most preferably, such materials can be prefabricated in order to easily insert them in the production of-usually consists of two halves-hollow elements can.
  • a design as a frame or frame portion of a flat material that can be applied to a part or to the entirety of the inner circumferential surface of the hollow member and also does not need to be separately fixed with a sufficiently accurate fit.
  • a Swissfabrikat can be inserted into one half or shell of the hollow element, then the second half is placed over it and glued to the first half.
  • Such a frame can be made wholly or partly from the foamable material. In the latter case, a further part of the frame will be made of a material intended for supporting purposes only.
  • the material has a high heat insulating effect by absorption and / or reflection not only during the foaming process or the (endothermic) reaction phase, but also in the foamed or inflated state. It can be advantageously dimensioned so that it at least approximately completely fills the interior of the hollow element above a certain temperature and thus largely prevents the passage of heat radiation through the hollow element.
  • the material will be arranged in such a way that in the event of a fire, the entire cross section of the hollow elements according to the invention permeable to light and heat rays is quickly filled with the material in order to achieve the fastest possible heat radiation or heat blockage.
  • all-round (frame-like) arrangement of the material this will form a ring front, which moves towards the center and finally reaches it. If the material is arranged on two opposite sides, two fronts will be formed, which project in opposite directions to the center.
  • the material does not react until above a certain limit temperature, so that it does not malfunction (premature start of reaction without fire).
  • Conventional materials react from a temperature of about 150 0 C.
  • materials are preferred, the previously dampen the radiant heat through the hollow element, so that the criterion of an F-class duration in minutes to exceeding a temperature of more than 140 K. above room temperature as well as possible.
  • F60 means z. B. a life of 60 minutes.
  • any shapes of hollow elements can be equipped with the material in the manner according to the invention.
  • such hollow elements are considered, between the two shells or halves a partition or - disc is used (EP 0 853 166 B1), and / or composed of a plurality of firmly connected together hollow elements (EP 0 853 167 B1).
  • a partition or - disc is used (EP 0 853 166 B1), and / or composed of a plurality of firmly connected together hollow elements (EP 0 853 167 B1).
  • one, several or all chambers can be provided with fire protection inserts of the type described here.
  • optical quality of translucent hollow elements according to the invention can be improved by a coloring of the inserted or inserted fire-protection materials which corresponds to a light color or at least to a coloring of the visible surfaces of the hollow element.
  • Wall elements that are produced using such hollow elements can be secured by further measures against breakdown of flames and / or heat.
  • fire protection materials can also be introduced into the joints between the individual hollow elements and / or in joints between hollow elements and inserted mounting profiles.
  • intumescent materials can be used in the
  • FIG. 1 shows a view of a wall element made of glass blocks and with mounting profiles, in a greatly simplified, not to scale representation
  • FIG. 2 shows a sectional view of a hollow element for clarifying the arrangement of a fire protection insert in its cavity
  • FIG. 3 shows a sectional view of another design of a hollow element, in the cavity of which a fire protection insert is likewise provided;
  • FIG. 4 is a sectional view through a hollow wall element to illustrate the arrangement of the fire protection compound in the spaces between the blocks.
  • 5 and 6 are views of a hollow element with fire protection insert before and after a fire test
  • FIG. 7 shows a further sectional view analogous to FIG. 5 of a variant in which the fire protection insert is arranged only on two inner lateral surfaces lying opposite one another; 8 shows a third sectional view analogous to FIG. 6 of a variant in which a separate support frame is provided for the fire protection insert.
  • a wall element 1 is made up of a number of translucent cuboid hollow elements 2, preferably of hollow glass building blocks.
  • the latter are carried out in the usual design of two tightly interconnected half shells, but they can also be equipped with additional measures for thermal insulation and / or reflection according to the document DE 297 21 210 U1 or as fire protection modules according to EP 853 166, 853 167 or 853 168 executed.
  • horizontal mounting profiles 3 can be seen which extend in one piece over a plurality of hollow elements 2.
  • mounting profiles 4 are also used. The latter are kept in standard lengths and installed. Deviating from this, it is of course also possible to use mounting profiles in other designs, for example as crosspieces, which are used between four modules each. On a possible internal structure of the wall element will be discussed later with reference to FIG. 4 in more detail.
  • FIG. 2 shows in a partially cut open cuboid hollow element 2, the arrangement of a frame-shaped inserted into the cavity fire protection insert made of a suitable material 5.
  • Two half-shells, each with a visible surface 2.1 or 2.2 and side walls 2.3 and 2.4 form the hollow element 2, by being connected to one another in a material-locking manner (preferably by gluing) along the end faces of the side walls 2.3 and 2.4.
  • the inner surfaces of the side walls 2.3 and 2.4 then form a circumferential inner circumferential surface 2M of the hollow element 2.
  • the fire protection insert equally forms an inner frame along the inner lateral surfaces.
  • the lateral surface 2M is simplified here without the normally provided for Entformungspartyn slight slopes shown. Together with the inner surfaces of the visible surfaces 2.1 and 2.2, it circumscribes the cavity 2H of the hollow element 2.
  • the material 5 of the flat and possibly flexible fire protection insert is applied to the inner circumferential surface 2M. Since the latter is circumferentially closed and the half shells are produced with relatively high dimensional accuracy, the fire protection insert can be prefabricated to measure and then placed in a half shell before it is connected to the second half shell in a cold joining process.
  • the width of the fire protection insert is about twice the inner depth of a half-shell, so that it can be made in one piece for both half-shells.
  • Their thickness is only a few millimeters, so that the major part of the visible surfaces is freely transparent. The thickness of the layer is between 1 and 10 mm, depending on the volume of the hollow element to be filled and on the possible increase in volume of the material used itself.
  • FIG. 2 shows that the interior or cavity 2H of the hollow element 2 can be subdivided into a plurality of interior spaces by a partition wall 2T in a manner known per se, of which only one or more may be provided with fire protection Insert can be provided along at least a portion of the respective inner lateral surfaces.
  • Fig. 3 shows another, preferably round and single-shell design of a hollow element 2 ', which is installed in a ceiling element V. This also has a circumferential inner lateral surface 2M. Its upper visible surface 2.1 may be part of a walkable top of the ceiling element V.
  • the lower visible surface 2.2 is here formed by a suitably cut cover plate, which fixes the turn on the inner circumferential surface of the hollow element 2 'used fire protection insert made of a flat material 5. Recognizable circumscribes the lateral surface 2M here a truncated cone, to which form the (preferably in turn prefabricated) fire protection insert is adjusted. Also in this design, the essential portion of the visible surfaces 2.1 and 2.2 of the hollow element remains translucent, although the material 5 of the fire protection insert itself is opaque.
  • equipment according to the invention with fire protection inserts are basically also conceivable for non-translucent hollow elements, although it does not appear to be necessary there to design the inserts under the aspect of the least possible reduction of light transmission.
  • the visual appearance of the hollow element 2 can be influenced by the coloring of the material 5 of the fire protection insert.
  • its cavity-facing surface and the narrow end faces can be bright, for example, white, colored.
  • an aesthetically effective color effect and / or contrast can also be achieved by another coloring, possibly even to display a pattern, a manufacturer logo or the like.
  • the latter options are preferably provided when the viewing surfaces are transparent.
  • colored visible surfaces of the hollow element - known hollow glass blocks are offered in many color variants - the visible side of the insert may be colored tone on tone with the visible surfaces or contrasting thereto.
  • Fig. 4 can be seen by means of a section through an embodiment of a wall element 1, that the mounting profile 3 shown there cut is relatively thin-walled and hollow, wherein two parallel hollow chambers are connected by a central web 3S. Spacer ribs 3R protrude outward at both ends, which can serve to position and center the hollow elements 2.
  • the mounting profiles 3 and 4 can be glued directly to the hollow elements 2, using adhesive strands (not shown), which are particularly suitable for the respective material pairing (eg glass and plastic or metal). It is also possible to choose these adhesives from high temperature resistant materials.
  • the outer joints are filled with mortar, silicone or the like.
  • the mounting profiles 3 and 4 can be regarded as both frame and spacer elements. Preferably, they are used in an embodiment of the fire resistance class according to DIN 4102-B2.
  • the cross-sections of the profiles shown here and their dimensions in relation to the glass blocks are shown purely schematically and do not allow conclusions to be drawn about actual size ratios and shapes.
  • Visible to the outer surfaces of the blocks 2 and the mounting profiles 3 and 4 cavities or channels 7, in which strands of a mass 8 with fire-retardant (foaming and possibly cooling effective) properties are arranged according to the invention.
  • the vertical profiles 4 (Fig.
  • fire protection compounds can be prepared in pasty form. simply apply in a straight line.
  • the course of the strand of the mass can be determined optionally. In particular, it may deviate from the simplified straight-line shape, for example zigzagging or wave-shaped, in order to achieve a higher filling of the cavities, depending on their availability.
  • This mass 8 begins - similar or just like the material 5 of the fire protection insert in the hollow elements themselves - at temperatures above about 150 0 C to increase their volume, it foams. At the same time, it can also have heat-absorbing (endothermic) properties. As a result, the joints between the mounting profiles 3/4 and the blocks 2 can be completely filled in case of fire. As a result, an additional joint foreclosure and also load transfer within the wall element 1 is formed.
  • the mass 8 could also be filled into the cavities of the profiles 3 and 4; However, their walls would then have to be provided with perforations, so that the mass 8 can foam.
  • the masses 8 in the cavities of the mounting profiles, however, and preferably -for static support of the mass 8 in the case of fire bar or strip-shaped stabilizers 9 (indicated only by dash-dotted lines) of materials of fire protection class DIN 4102-A can be used.
  • Strands of a mass 8 could also, as already mentioned, instead of the strips of the material 5 -or also in addition to these as a fire protection insert in the hollow elements 2 itself be introduced by applying this mass 8 on the lateral surface 2M, or they fixed in the form of prefabricated with suitable cross-sections strands.
  • FIGS. 5 and 6 show a comparison of views of a hollow element 2 with the equipment according to the invention with a fire protection insert from the flat material 5 in the delivery condition (FIG. 5) and after carrying out a foaming of said material 5 or Fire protection insert leading experiment (Fig. 6). While in the delivery state almost free view through the hollow element 2 is possible, which also transmits heat except heat, if it is not -in per se known- equipped with separate thermal insulation properties and features, takes the foamed fire protection insert 5 according Fig. 6 almost the entire internal volume of the hollow element 2 a. In addition to the light barrier, it also insulates the passage of heat to a considerable extent.
  • a glass block wall 1 constructed in this way has, in comparison with conventional glass building block walls significantly improved safety against fire and heat transmission. At the same time, the joints between the blocks can be kept relatively narrow, since the fire protection measures are laid in the internal cavities.
  • Such hollow elements or wall elements can be used for example in walls, floors or ceilings for escape routes, which must be shielded against a potential source of fire over a certain period of time (60 or 90 minutes).
  • Fig. 7 shows yet another section through a hollow glass block 2, in which a fire protection insert 5 is provided only in sections on two opposing inner lateral surfaces. It could be left to permanently fix these two sections of material on the lateral surfaces.
  • a fire protection insert 5 is provided only in sections on two opposing inner lateral surfaces. It could be left to permanently fix these two sections of material on the lateral surfaces.
  • These sections 10 will be made of a refractory material, have the same outer dimensions (but may have a smaller thickness) and color as the strips 5, but retain their shape when heated. They only serve to simplify the insertion and fixation of the actual fire protection insert. In case of fire, the sections of the material 5 foam, and their fronts move towards each other until the gap is closed.
  • FIG. 8 shows a further variant analogous to FIG. 7, in which a separate support frame 11 is again inserted into the interior of the hollow element 2, which in turn has two strips of the foamable solid material 5 or of a foamable one wearing pasty material.
  • This embodiment allows as well as the embodiment of FIG. 7 pre-assembly technik the fire protection insert, which then only has to be used in the hollow element before it is closed.
  • the support frame 11 can be significantly thinner than the strips of the foamable material, so that the requirement for the lowest possible visibility or the slight restriction of the passage of light remains met.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)

Abstract

L'invention concerne un élément creux transparent (2) empêchant le passage du feu et de la chaleur, en particulier une brique creuse en verre, comprenant deux surfaces de parement (2.1, 2.2), et des parois latérales qui entourent et délimitent l'espace interne de l'élément creux (2) en tant que surface latérale interne (2M). Selon l'invention, au moins une des surfaces de l'espace interne est recouverte d'une couche constituée d'un matériau (5) qui réagit à une élévation de température, notamment un matériau expansible et/ou actif à froid. Cette invention est caractérisée en ce que ladite couche est disposée le long d'au moins une partie de la surface latérale interne (2M), de manière que la partie essentielle des surfaces de parement ne soit pas encombrée et reste transparente. Différents modes de réalisation pour agencer ledit matériau, et différents panneaux préfabriqués qui sont produits au moyen de ces éléments creux sont décrits.
PCT/EP2005/013696 2004-12-22 2005-12-20 Element creux transparent retardant le feu, et panneau prefabrique comportant des elements creux de ce type WO2006069672A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004061719.8 2004-12-22
DE200410061719 DE102004061719A1 (de) 2004-12-22 2004-12-22 Feuerhemmendes lichtdurchlässiges Hohlelement und Wandelement mit solchen Hohlelementen

Publications (1)

Publication Number Publication Date
WO2006069672A1 true WO2006069672A1 (fr) 2006-07-06

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PCT/EP2005/013696 WO2006069672A1 (fr) 2004-12-22 2005-12-20 Element creux transparent retardant le feu, et panneau prefabrique comportant des elements creux de ce type

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DE (1) DE102004061719A1 (fr)
WO (1) WO2006069672A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2732395A1 (de) * 1976-07-26 1978-02-02 Bfg Glassgroup Glasbauelement
EP0747560A1 (fr) * 1995-06-06 1996-12-11 Saint-Gobain Vitrage Vitrage pare-feu
WO1998052881A1 (fr) * 1997-05-22 1998-11-26 Nippon Electric Glass Co., Ltd. Brique de verre reflechissant les rayons solaires et son procede de production
US5845443A (en) * 1994-08-25 1998-12-08 Wirkus; Randolf Andrew Glass block fire wall

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7373763B2 (en) * 2003-03-13 2008-05-20 Extech/Exterior Technologies, Inc. Glass block assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2732395A1 (de) * 1976-07-26 1978-02-02 Bfg Glassgroup Glasbauelement
US5845443A (en) * 1994-08-25 1998-12-08 Wirkus; Randolf Andrew Glass block fire wall
EP0747560A1 (fr) * 1995-06-06 1996-12-11 Saint-Gobain Vitrage Vitrage pare-feu
WO1998052881A1 (fr) * 1997-05-22 1998-11-26 Nippon Electric Glass Co., Ltd. Brique de verre reflechissant les rayons solaires et son procede de production

Also Published As

Publication number Publication date
DE102004061719A1 (de) 2006-07-27

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