WO2000071831A1 - Hollow-core slab bearer - Google Patents

Hollow-core slab bearer Download PDF

Info

Publication number
WO2000071831A1
WO2000071831A1 PCT/FI2000/000464 FI0000464W WO0071831A1 WO 2000071831 A1 WO2000071831 A1 WO 2000071831A1 FI 0000464 W FI0000464 W FI 0000464W WO 0071831 A1 WO0071831 A1 WO 0071831A1
Authority
WO
WIPO (PCT)
Prior art keywords
hollow
core slab
end portion
bearer
profile
Prior art date
Application number
PCT/FI2000/000464
Other languages
English (en)
French (fr)
Inventor
Kari Tuominen
Original Assignee
Teräspeikko Oy
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 Teräspeikko Oy filed Critical Teräspeikko Oy
Priority to EP00929575A priority Critical patent/EP1180187B1/en
Priority to DE60018277T priority patent/DE60018277T2/de
Priority to DK00929575T priority patent/DK1180187T3/da
Priority to AU47598/00A priority patent/AU4759800A/en
Priority to AT00929575T priority patent/ATE289648T1/de
Publication of WO2000071831A1 publication Critical patent/WO2000071831A1/en
Priority to NO20015687A priority patent/NO321577B1/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C2003/023—Lintels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/046—L- or T-shaped

Definitions

  • the invention relates to a hollow-core slab bearer for bearing an end of a hollow-core slab, which end borders on an opening or similar structural discontinuity
  • the hollow-core slab bearer comprising: a profile with an L-shaped cross-section, the profile having a first end and a second end, and the hollow-core slab end which borders on the opening or similar structural discontinuity being placeable into the profile with an L-shaped cross- section; a first end portion at the first end of the profile with an L-shaped cross- section, and a second end portion at the second end of the profile with an L- shaped cross-section; a first support member which allows the hollow-core slap bearer to be mounted onto a first hollow-core slab or structure adjacent to the hollow-core slab which borders on the opening or similar structural discontinuity; and a second support member which allows the hollow-core slab bearer to be mounted onto a second hollow-core slab or structure adjacent to the hollow-core slab which borders on the opening or similar structural discontinuity, the second hollow-core slab or structure being on the other
  • the known hollow-core slab bearer is painted with flame-resistant paint before it is mounted at the building site.
  • An object of the invention is to provide a hollow-core slab bearer with enhanced flame resistance.
  • a hollow-core slab bearer of the invention characterized in that between the first end portion and the second end portion is a reinforcement which binds the first end portion and the second end portion together.
  • the reinforcement between the first end portion and the second end portion is meant to support the hollow-core slab bearer in case of fire. Since the reinforcement is built, i.e. cast, inside the hollow-core slab during the construction works, it is at the same time protected against fire and can therefore very well function as a support for the hollow-core slab bearer in case of fire.
  • the Figure shows a hollow-core slab bearer of the invention for supporting an end of a hollow-core slab (not shown) which end borders on an opening (not shown) or similar structural discontinuity.
  • the hollow-core slab bearer comprises a profile 1 with an L-shaped cross-section, the profile having a first end 2 and a second end 3, the hollow- core slab end which borders on the opening or similar structural discontinuity being placeable into the profile 1 with an L-shaped cross-section.
  • the length of the profile 1 with an L-shaped cross-section is preferably selected to substantially correspond to the width of the hollow-core slab.
  • the profile 1 with an L-shaped cross-section is preferably made of an originally uniform L-shaped profile blank; another alternative would be to use for example two flat steel blanks welded together.
  • the Figure shows an L- shaped profile 1 with a substantially right-angled cross-section, but the parts of the profile 1 with an L-shaped cross-section can be at another angle as well.
  • the hollow-core slab bearer comprises a first end portion 4 at the first end 2 of the profile 1 with an L-shaped cross-section and a second end portion 5 at the second end 3 of the profile 1 with an L-shaped cross-section.
  • the hollow-core slab bearer also comprises a first support member 6 that allows the bearer to be mounted, i.e. supported, onto a first hollow-core slab or structure adjacent to the slab defined by the opening or similar structural discontinuity, and a second support member 7 that allows the hollow-core slab bearer to be mounted, i.e. supported, onto a second hollow- core slab or structure adjacent to the slab bordering on the opening or similar structural discontinuity, the second hollow-core slab or structure being on the other side of the slab bordering on the opening or similar structural discontinuity, when seen from the first hollow-core slab.
  • a reinforcement 8 which binds the first end portion 4 and the second end portion 5 together.
  • the reinforcement 8 is preferably made of at least one ribbed bar.
  • the reinforcement 8 can be welded, for example, to the first end portion 4 and the second end portion 5.
  • first end portion 4 and the second end portion 5 comprise support structures 9.
  • the support structures 9 are meant to support the first end portion 4 and the second end portion 5 in case of fire, for example.
  • the support structures 9 are made of pieces of ribbed bar welded to the first end portion 4 and to the second end portion 5 such that on each side of the first end portion 4 and the second end portion 5 there is one piece of ribbed bar.
  • the first end portion 4 and the second end portion 5 are preferably welded to the profile 1 with an L-shaped cross-section.
  • the first support member 6 is preferably seamlessly joined to the first end portion 4 and the second support member 7 is preferably seamlessly joined to the second end portion 5.
  • the first support member 6 and the first end portion 4 are made of one piece with an L-shaped cross-section and the second support member 7 and the second end portion 5 are made of one piece with an L-shaped cross-section.
  • the hollow-core slab bearer is preferably painted with a flame- resistant paint.

Landscapes

  • Architecture (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Building Environments (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Laminated Bodies (AREA)
  • Motor Or Generator Frames (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
  • Wire Bonding (AREA)
PCT/FI2000/000464 1999-05-24 2000-05-23 Hollow-core slab bearer WO2000071831A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP00929575A EP1180187B1 (en) 1999-05-24 2000-05-23 Hollow-core slab bearer
DE60018277T DE60018277T2 (de) 1999-05-24 2000-05-23 Stütze für hohlplatten
DK00929575T DK1180187T3 (da) 1999-05-24 2000-05-23 Bærer til hule plader
AU47598/00A AU4759800A (en) 1999-05-24 2000-05-23 Hollow-core slab bearer
AT00929575T ATE289648T1 (de) 1999-05-24 2000-05-23 Stütze für hohlplatten
NO20015687A NO321577B1 (no) 1999-05-24 2001-11-21 Baerer for a baere en ende av en hulkjerne-bjelke

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FIU990238 1999-05-24
FI990238U FI4119U1 (fi) 1999-05-24 1999-05-24 Ontelolaatan kannake

Publications (1)

Publication Number Publication Date
WO2000071831A1 true WO2000071831A1 (en) 2000-11-30

Family

ID=8553656

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2000/000464 WO2000071831A1 (en) 1999-05-24 2000-05-23 Hollow-core slab bearer

Country Status (10)

Country Link
EP (1) EP1180187B1 (fi)
AT (1) ATE289648T1 (fi)
AU (1) AU4759800A (fi)
DE (1) DE60018277T2 (fi)
DK (1) DK1180187T3 (fi)
ES (1) ES2233375T3 (fi)
FI (1) FI4119U1 (fi)
NO (1) NO321577B1 (fi)
PL (1) PL207403B1 (fi)
WO (1) WO2000071831A1 (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2464800A1 (en) * 2009-08-12 2012-06-20 Knowles, Stephanie Lintel

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2034386A (en) * 1978-10-25 1980-06-04 British Steel Corp Lintels
US4409771A (en) * 1979-12-12 1983-10-18 Lowe Colin F Sheet metal beam
GB2297100A (en) * 1995-01-18 1996-07-24 Knox Colin J M Damp proof course arangement and its use with a lintel
GB2297782A (en) * 1995-01-05 1996-08-14 Robert Currie Mounting roller shutters in lintels

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2034386A (en) * 1978-10-25 1980-06-04 British Steel Corp Lintels
US4409771A (en) * 1979-12-12 1983-10-18 Lowe Colin F Sheet metal beam
GB2297782A (en) * 1995-01-05 1996-08-14 Robert Currie Mounting roller shutters in lintels
GB2297100A (en) * 1995-01-18 1996-07-24 Knox Colin J M Damp proof course arangement and its use with a lintel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2464800A1 (en) * 2009-08-12 2012-06-20 Knowles, Stephanie Lintel

Also Published As

Publication number Publication date
NO20015687L (no) 2001-11-21
DE60018277T2 (de) 2005-07-21
FI4119U1 (fi) 1999-08-31
FIU990238U0 (fi) 1999-05-24
EP1180187A1 (en) 2002-02-20
EP1180187B1 (en) 2005-02-23
ES2233375T3 (es) 2005-06-16
PL352019A1 (en) 2003-07-14
NO20015687D0 (no) 2001-11-21
PL207403B1 (pl) 2010-12-31
DK1180187T3 (da) 2005-03-14
ATE289648T1 (de) 2005-03-15
DE60018277D1 (de) 2005-03-31
AU4759800A (en) 2000-12-12
NO321577B1 (no) 2006-06-06

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