EP1790788B1 - Brandschutzbekleidung einer Wand und/oder Decke aus Beton - Google Patents

Brandschutzbekleidung einer Wand und/oder Decke aus Beton Download PDF

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Publication number
EP1790788B1
EP1790788B1 EP06024125A EP06024125A EP1790788B1 EP 1790788 B1 EP1790788 B1 EP 1790788B1 EP 06024125 A EP06024125 A EP 06024125A EP 06024125 A EP06024125 A EP 06024125A EP 1790788 B1 EP1790788 B1 EP 1790788B1
Authority
EP
European Patent Office
Prior art keywords
fire protection
ceiling
wall
concrete
protection elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06024125A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1790788A2 (de
EP1790788A3 (de
Inventor
Andreas Schlüter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Promat GmbH
Original Assignee
Promat 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 Promat GmbH filed Critical Promat GmbH
Priority to PL06024125T priority Critical patent/PL1790788T3/pl
Publication of EP1790788A2 publication Critical patent/EP1790788A2/de
Publication of EP1790788A3 publication Critical patent/EP1790788A3/de
Application granted granted Critical
Publication of EP1790788B1 publication Critical patent/EP1790788B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04B1/942—Building elements specially adapted therefor slab-shaped

Definitions

  • the invention relates to a fire protection clothing of a wall and / or ceiling made of concrete with an inserted reinforcement, the fire protection clothing having a plurality of on the wall and / or ceiling (3) mounted plate-shaped fire protection elements (5), wherein between the fire protection elements (5) and the wall and / or ceiling spacers (7) are arranged, which keep the fire protection elements (5) at a distance from the wall and / or ceiling so dene between the plate-shaped fire protection elements (5) and the wall and / or ceiling remains an air layer.
  • Such fire protection clothing is from the DE-U-29601777 known and used, for example, in tunnels used, which consist of concrete, with reinforcing rods or grids made of steel are introduced into the concrete to increase the load capacity.
  • the fire protection clothing prevents in case of fire, a chipping of the concrete and thus an exposure of the supporting reinforcement. This is particularly important insofar as the reinforcing bars or grids fail in case of fire if they exceed a critical temperature.
  • an insulation system for building ceilings with subsequently perforated insulation boards made of polystyrene foam is known.
  • the perforated insulation board is located on top of the ceiling, which covers the perforations of the insulation boards at the bottom.
  • the top of the insulation boards is covered by an at least single-layer covering, which also covers the perforations of the insulation boards.
  • the problem underlying the invention is to further develop the aforementioned generic fire protection clothing so that metal corrosion causing substances are kept away from the reinforcement of the wall and / or ceiling to be dressed.
  • the invention is based on the finding that the corrosion is due, inter alia, to chlorides which originate from salts, in particular spreading salts, which are applied by spraying water. In question are also substances from car exhaust, which lead to corrosion.
  • the chlorides penetrate into the concrete without fire protection clothing or by conventionally arranged fire protection elements and thus come into contact with the reinforcement.
  • a spacer assigned to the fire protection clothing is provided.
  • the fire protection elements are therefore no longer - as conventionally - applied directly, so without clearance, on the (concrete) -Wärtden and / or ceilings, but at a distance to these. This further complicates the path of aggressive chlorides and other harmful substances to the wall.
  • the at least one spacer is connected to the fire protection element.
  • a bond Equally possible, albeit more complex, are glands.
  • the fire protection elements are therefore already factory-equipped with the spacers and will mounted in such a simple manner on the walls and / or ceilings.
  • the spacer made of plastic, in particular rubber.
  • plastic spacers are namely, for example, easy to manufacture in Spritzg tellvertahren.
  • the material plastic offers a certain flexibility.
  • the spacers may also be made of other, preferably corrosion-resistant, materials.
  • the shape of the spacers can be designed arbitrarily within wide limits. As a particularly advantageous form has been found that is designed like a knob.
  • the individual nubs can be glued or screwed with their leaking flat side on the fire protection element according to the invention.
  • the tip of the respective knob is in the mounted state of the fire protection element on the wall and / or the ceiling.
  • the fire protection element is designed to be open to diffusion, that is, it is designed such that it sucks water from one side, which it emits on the other side again.
  • the material of the fire protection element acts as a filter for any substances in the water and causing a metal corrosion, such as chlorides.
  • the fire protection element according to the invention can also be referred to as a "sucking" fire protection element, which filters out the substances present in the water, for example spray water, and which cause metal and / or steel corrosion.
  • the fire protection element according to the invention mounted in front of a steel-proven concrete wall or ceiling acts as a corrosion barrier.
  • the fire protection system for walls and / or ceilings made of reinforced concrete, which consists on the one hand of a fire protection clothing formed from fire protection elements, and on the other hand of a concrete cover of the supporting reinforcement.
  • a reliable protection of the wall and / or ceiling is given with the fire protection system, so that there is no flaking of concrete in case of fire, which can be up to the reinforcement, which would be greatly weakened and thus would be a collapse of the tunnel.
  • Fig. 1 shows a schematic representation of a sectional view of a tunnel. This has a tunnel cross section 1, a road surface 2 and concrete walls and / or ceilings 3. Within the concrete walls 3 are - also schematically shown - 4 reinforcements arranged.
  • the reinforcements 4 increase the load-bearing capacity of the concrete walls or ceilings 3. They can for example consist of steel bars or grids.
  • FIG. 2 As it is in Fig. 2 is shown in sections, 3 plate-shaped fire protection elements 5 are applied to the concrete wall and / or ceiling. These protect the concrete and in particular the underlying reinforcements 4 in case of fire. It has been shown that the occurring in case of fire, large heat in unprotected tunnel walls and / or ceilings can lead to chipping of the concrete to the reinforcements 4, which carries the risk that the reinforcements 4 fail and thus their support function to lose. In extreme cases, it can lead to a collapse of the tunnel.
  • the fire protection panels are applied directly to the concrete walls and / or ceilings, as in Fig. 2 is indicated by a screw 6.
  • this has meant that chlorides from salts or other corrosion-causing substances can penetrate through the fire protection panels 5 into the concrete wall and there attack the reinforcements 4.
  • a plurality of spacers 7 are applied in the illustrated embodiment to the respective fire protection element, of which a spacer 7 is shown in a sectional view in FIG Fig. 3 is shown.
  • the spacer 7 is formed like a knob, wherein it is glued with its expiring ends 8 on the fire protection element 5. With its tip 9 it is supported against the concrete wall and / or ceiling 3.
  • a gap 10 is formed between the fire protection element 5 and the concrete wall and / or ceiling 3, which prevents a "wandering" of the chlorides and other aggressive substances into the concrete wall and / or ceiling. This is especially true when the gap 10 allows ventilation of the fire protection element 5.
  • a plurality of spacers may be arranged on a fire protection element.
  • a spacer through the fire protection element 5 is connected via a screw or dowel 11 with the concrete wall.
  • the respective spacers 7 through the screw 11 on the fire protection element 5 assure, so that optionally a bond or other attachment can be omitted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
EP06024125A 2005-11-24 2006-11-21 Brandschutzbekleidung einer Wand und/oder Decke aus Beton Not-in-force EP1790788B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06024125T PL1790788T3 (pl) 2005-11-24 2006-11-21 Okładzina przeciwpożarowa ściany i/lub sufitu z betonu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005018354U DE202005018354U1 (de) 2005-11-24 2005-11-24 Plattenförmiges Brandschutzelement

Publications (3)

Publication Number Publication Date
EP1790788A2 EP1790788A2 (de) 2007-05-30
EP1790788A3 EP1790788A3 (de) 2008-08-20
EP1790788B1 true EP1790788B1 (de) 2012-01-04

Family

ID=35854085

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06024125A Not-in-force EP1790788B1 (de) 2005-11-24 2006-11-21 Brandschutzbekleidung einer Wand und/oder Decke aus Beton

Country Status (5)

Country Link
EP (1) EP1790788B1 (pl)
AT (1) ATE540175T1 (pl)
DE (1) DE202005018354U1 (pl)
PL (1) PL1790788T3 (pl)
RU (1) RU2418139C2 (pl)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1617112A1 (ru) * 1988-03-23 1990-12-30 Симферопольский филиал Днепропетровского инженерно-строительного института Огнестойка строительна конструкци
DE4036865C2 (de) * 1990-11-19 2000-03-02 Trespa Int Bv Hinterlüftete Fassadenverkleidung
DE9113436U1 (de) * 1991-10-29 1992-03-05 Prignitz, Herbert, 2000 Hamburg Dämmaterial als Platte oder Rollbahn für neue und sanierungsbedürftige Bauwerke
DE29601777U1 (de) 1996-02-03 1996-08-14 Haack, Alfred, Dr.-Ing., 50933 Köln Brandschutzdämmung in Tunneln und Bauwerken
DE19620893A1 (de) * 1996-05-23 1997-11-27 Wolman Gmbh Dr Brandgeschützte hinterlüftende Fassaden
AT413291B (de) 1999-06-01 2006-01-15 Austrotherm Gesmbh Dämmsystem für gebäudedecken
US20040068948A1 (en) * 2002-10-03 2004-04-15 Wrass Lawrence J. Fire/party wall system
RU45754U1 (ru) * 2004-12-06 2005-05-27 Общество с ограниченной ответственностью "ТимСпан" Комплект навесного вентилируемого фасада (варианты)
DE202005008250U1 (de) * 2005-05-23 2005-09-01 Xella Trockenbau-Systeme Gmbh Tunnelausbau

Also Published As

Publication number Publication date
ATE540175T1 (de) 2012-01-15
DE202005018354U1 (de) 2006-02-09
RU2006141456A (ru) 2008-05-27
RU2418139C2 (ru) 2011-05-10
PL1790788T3 (pl) 2012-08-31
EP1790788A2 (de) 2007-05-30
EP1790788A3 (de) 2008-08-20

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