WO1992007149A1 - Element porteur et coupe-feu pour la construction de batiments - Google Patents

Element porteur et coupe-feu pour la construction de batiments Download PDF

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Publication number
WO1992007149A1
WO1992007149A1 PCT/AU1991/000468 AU9100468W WO9207149A1 WO 1992007149 A1 WO1992007149 A1 WO 1992007149A1 AU 9100468 W AU9100468 W AU 9100468W WO 9207149 A1 WO9207149 A1 WO 9207149A1
Authority
WO
WIPO (PCT)
Prior art keywords
column
fire rated
fire
load
wall
Prior art date
Application number
PCT/AU1991/000468
Other languages
English (en)
Inventor
Julius William Elischer
Original Assignee
Morarp Pty. Limited
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 Morarp Pty. Limited filed Critical Morarp Pty. Limited
Publication of WO1992007149A1 publication Critical patent/WO1992007149A1/fr

Links

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
    • E04B1/945—Load-supporting structures specially adapted therefor

Definitions

  • This invention relates to fire rated load-bearing building construction. More particularly, this invention relates to fire rated load-bearing column suitable for use in multi-storey buildings.
  • Another drawback with traditional columns is that they are generally formed up and poured in situ.
  • this invention provides a fire rated load-bearing column suitable for use in construction of a multi-storey building, the column being shaped to form a wall corner or wall junction fitting between wall panels which lack sufficient fire rated load-bearing capability to carry a required load expected to be encountered in case of fire, the column being substantially fabricated prior to installation and comprising:
  • a core structural member extending substantially the length of the column, the member having an angled cross-sectional shape and being capable of carrying the required load
  • the fire rated column of the invention is capable of having a light weight so that the use of heavy lifting equipment may be avoided.
  • the core structural member may consist of any suitable material including a ferrous alloy but is preferably steel of sufficient strength to support the intended load in the case of fire. While the core structural member may have any appropriate angled cross-sectional shape, preferably the cross-sectional shape is one of the following: a right angle, a T or an X (cruciform) .
  • the member may comprise a single section of steel or may comprise a combination of steel sections forming the angle, T or X.
  • the load-bearing ability of the column of the invention wil vary according to the steel section of the column.
  • the core structural member may comprise 200 mm x 200 mm x 13 mm angle steel; in this case the column is ⁇ apable of carrying 56 tonnes at a three metre column height. If the core structural member comprises 125 mm x 125 mm x 12 mm angle steel, the column when used as a corner element can carry 19 tonnes at a three metre column height.
  • the fire rated material may comprise any suitable material which has the desired fire rating and weight in the thickness appropriate to the column of the invention.
  • the fire rated material may comprise a foraminous cementitious material or a composite material containing, for example, vermiculite, and having a maximum density of 1000 kg/cubic metre (more preferably, less than 600 kg/cubic metre).
  • One suitable material is sold under the Trade Mark “Vermiculux”, which consists essentially of vermiculite in a cementitious matrix.
  • Syporex trade Marks
  • Hebel Coatings of intumescent paint may also be suitable.
  • Other suitable fire rated materials will be apparent to one skilled in the art.
  • the fire rated material of the column of the invention may be coated or lined with a suitable substance or material, for example for the purpose of waterproofing, or to increase fire rating, or to enhance the appearance of the column.
  • suitable substance or material for example for the purpose of waterproofing, or to increase fire rating, or to enhance the appearance of the column.
  • lining materials are fibre reinforced cement, metal or plastic sheet material, fibrous plaster and paper lined plaster sheets.
  • the column of the invention employs as the fire rated material a thin layer of slab material such as that commercially available under the trade mark "Vermi ⁇ ulux", followed by a layer of waterproofing compound and a facing sheet or finish to match adjacent wall panels.
  • the waterproofing composition may perform the dual function of both waterproofing and facing finish, in appropriate cases.
  • the fire rated column of the invention has particular application in the construction of buildings using thin lightweight laminated building panels such as those sold under the Trade Mark "STYROCON". These panels consist of a lightweight concrete core faced on both sides with a sheet material, such as fibre reinforced cement sheets (for both external and internal use) or with plaster sheets (for internal use).
  • the building panels may be reinforced with metal strips, as disclosed in PCT Application No. PCT/AU 91/00092.
  • the core of lightweight concrete may be foamed concrete and/or concrete containing a lightweight aggregate, such as polystyrene foam beads, vermiculite, expanded shale or mixtures thereof.
  • a material such as plaster, particularly lightweight plaster, may be used.
  • a practical range of panel core thickness is between 30 and 100 mm, usually about 40 mm. (The term "thi is used herein to refer to a panel thickness of no more th about 100 mm. )
  • the facing sheets are normally fibre reinforced cement, fibre reinforced plaster or plaster fac with paper.
  • the column is adapted to match in thickness th wall panels between which it is to be placed.
  • the colum can fit into and follow the shape of the panels.
  • the column When the column is lined with sheets which match those of the adjoining wall panels, the column will appear to be a continuation of the wall comprised of the panels.
  • the vertical edges of the fire rated column of the inventi may be of the fire rated material or may consist of a material such as lightweight concrete, the same as or similar to the core of the panels discussed, and may be profiled to mate with adjacent ends of these panels. Particularly where the column is lined with a material similar to the surface of the adjacent panels, the column ⁇ an merge visually with the surrounding wall and provide a pleasing appearance.
  • Fig. 1 is a cross-sectional view of one corner of a building, using as corner element one embodiment of the column of the invention
  • Fig. 2 is a cross-sectional view of a second embodiment of the column of the invention.
  • Fig. 3 is a cross-sectional view of a third embodiment of the column of the invention.
  • the column of the invention comprises a core angle section 12 of steel, having flanges 12a and 12b.
  • Slabs 13a and 13b of "Vermiculux” or similar thin slabs of fire rated material substantially surround flanges 12a and 12b of core section 12.
  • the vertical edges 14 of column 10 are formed of lightweight concrete the same as that of core 11 of panels 24.
  • Each of edges 14 is profiled to form tongue 18 which mates with complementary groove 19 of panel 24.
  • edges 14 could be formed of "Vermiculux” instead of lightweight concrete.
  • the external face of slab 13a is coated with a layer 15 of a waterproofing compound or of a waterproof adhesive, by means of which a sheet 16 of fibre reinforced cement is fixed to column 10.
  • Sheet 16 of column 10 matches the external faces 20 of panels 24.
  • the interior face of slab 13b is finished with a sheet 17 to match the interior faces 21 of panels 24.
  • Core angle ection 12 measures 200 mm x 200 mm x 13 mm.
  • Each panel 24 has a thickness of 75 mm and, as can be observed from Figure 1, column 10 has the same thickness.
  • Column 10 is three metres high and can be lifted and placed in position by three or four workmen. The column is capable of carrying 56 tonnes.
  • Core section 12 is of steel and has flanges 12a, 12b and 12c forming a "T".
  • Slabs 13a, 13b and 13 ⁇ are of a fire rated composite material containing plaster and substantially surround flanges 12a, 12b and 12c.
  • Vertical edges 14 of column 10 are formed of foamed concrete and profiled to form tongues 18 or groove 22 to mate with complementary grooves or tongue (respectively) in adjacent panels (not shown) .
  • the external face of slab 13 ⁇ is covered with a sheet 16 of metal.
  • the interior face of slab 13a and of slab 13b is finished with sheets 17 of paper lined plaster.
  • column 10 is suitable for use at a junction of four walls.
  • Core member 12 is of steel and has four flanges 12a, 12b, 12c and 12d to form a cruciform.
  • Slabs 13a, 13b, 13c and 13d are of concrete containing a lightweight aggregate, namely polystyrene foam beads and substantially surround flanges 12a to 12d.
  • Vertical edges 14 of column 10 are formed of the same concrete containing polystyrene foam beads and are profiled to form either tongues 18 or grooves 22.
  • the column of this invention provides a measure of strength and fire rating combined with light weight, in a form hitherto unknown.
  • the column is capable of fitting into and following the shape of a wall angle or wall junction and obtains its structural strength from angled steel or a substitute material. It will also be appreciated that the scope of the invention is not limited to the embodiments described above but only by the attached claims.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Load-Bearing And Curtain Walls (AREA)

Abstract

Colonne porteuse coupe-feu (10) destinée à être utilisée dans la construction de bâtiments à plusieurs étages, comprenant un élément structurel central (12, 12a, 12b) presque entièrement entouré d'un matériau coupe-feu (13a, 13b) et facultativement recouvert de feuilles (16, 17). L'élément structurel central (12, 12a, 12b) s'étend sur pratiquement toute la longueur de la colonne (10) et il a une forme angulaire en coupe transversale, de préférence un angle droit (12a, 12b), un T ou un X. Le matériau coupe-feu (13a, 13b) assure une protection appropriée contre le feu et sa forme est telle que la colonne (10) a une forme angulaire en coupe transversale qui correspond à celle de l'élément (12, 12a, 12b) central. La colonne (10) est conçue de manière à former un angle de mur ou une jonction de mur s'ajustant entre les panneaux de murs (24) qui n'ont pas la capacité porteuse et coupe-feu suffisante pour supporter les charges qu'on s'attend à rencontrer en cas d'incendie. Ladite colonne (10) est pratiquement préfabriquée.
PCT/AU1991/000468 1990-10-11 1991-10-10 Element porteur et coupe-feu pour la construction de batiments WO1992007149A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPK274890 1990-10-11
AUPK2748 1990-10-11

Publications (1)

Publication Number Publication Date
WO1992007149A1 true WO1992007149A1 (fr) 1992-04-30

Family

ID=3775001

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1991/000468 WO1992007149A1 (fr) 1990-10-11 1991-10-10 Element porteur et coupe-feu pour la construction de batiments

Country Status (1)

Country Link
WO (1) WO1992007149A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3913290A (en) * 1974-03-25 1975-10-21 Avco Corp Fire insulation edge reinforcements for structural members
JPH01260139A (ja) * 1988-04-12 1989-10-17 Furukawa Electric Co Ltd:The 鉄骨等の構造物の耐火被覆方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3913290A (en) * 1974-03-25 1975-10-21 Avco Corp Fire insulation edge reinforcements for structural members
JPH01260139A (ja) * 1988-04-12 1989-10-17 Furukawa Electric Co Ltd:The 鉄骨等の構造物の耐火被覆方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, M918, page 142; & JP,A,1 260 139 (FURUKAWA ELECTRIC CO. LTD), 17 October 1989 (17.10.89). *
STEEL DESIGNERS' MANUAL, 4th edition, published 1972 by GRANADA PUBLISHING, see pages 963-968. *

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