GB1294755A - Composite open web joist - Google Patents

Composite open web joist

Info

Publication number
GB1294755A
GB1294755A GB5668370A GB5668370A GB1294755A GB 1294755 A GB1294755 A GB 1294755A GB 5668370 A GB5668370 A GB 5668370A GB 5668370 A GB5668370 A GB 5668370A GB 1294755 A GB1294755 A GB 1294755A
Authority
GB
United Kingdom
Prior art keywords
concrete
openings
spanner bars
forms
top chord
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.)
Expired
Application number
GB5668370A
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.)
Hambro Structural Systems Ltd
Original Assignee
Hambro Structural Systems Ltd
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 Hambro Structural Systems Ltd filed Critical Hambro Structural Systems Ltd
Priority to GB5668370A priority Critical patent/GB1294755A/en
Publication of GB1294755A publication Critical patent/GB1294755A/en
Expired legal-status Critical Current

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
    • E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • E04C3/09—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders at least partly of bent or otherwise deformed strip- or sheet-like material
    • 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
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17—Floor structures partly formed in situ
    • E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • E04B5/29—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated the prefabricated parts of the beams consisting wholly of metal
    • 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
    • E04C2003/0486—Truss like structures composed of separate truss elements
    • E04C2003/0491—Truss like structures composed of separate truss elements the truss elements being located in one single surface or in several parallel surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Floor Finish (AREA)

Abstract

1294755 Reinforced concrete; metal joists HAMBRO STRUCTURAL SYSTEMS Ltd 30 Nov 1970 56683/70 Headings E1W E1S and E1K The top chord of an open-web steel joist for use in a composite structure has a first part shaped to define at least one channel which can be substantially filled with concrete when the joist is incorporated in such a structure and a second part consisting of a downwardly extending flange provided with openings at intervals along its length to receive spanner bars. As shown, the top chord is of Z section with a downwardly extending flange 16 having openings 18 which receive the reduced ends of the spanner bars 17. The spanner bars support plywood forms 19 or steel pans 20. Concrete is poured on to the forms or pans to embed the upper parts of the top chord and also reinforcing mesh 13. Knock-out portions 21 are provided below the openings 18 so that the spanner bars and forms may be removed when the concrete has set.
GB5668370A 1970-11-30 1970-11-30 Composite open web joist Expired GB1294755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5668370A GB1294755A (en) 1970-11-30 1970-11-30 Composite open web joist

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5668370A GB1294755A (en) 1970-11-30 1970-11-30 Composite open web joist

Publications (1)

Publication Number Publication Date
GB1294755A true GB1294755A (en) 1972-11-01

Family

ID=10477268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5668370A Expired GB1294755A (en) 1970-11-30 1970-11-30 Composite open web joist

Country Status (1)

Country Link
GB (1) GB1294755A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0104271A1 (en) * 1982-09-28 1984-04-04 Ward Building Systems Limited Building cladding construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0104271A1 (en) * 1982-09-28 1984-04-04 Ward Building Systems Limited Building cladding construction

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years