FR2280754A1 - Lattice beam for roofs, floors etc - has two series of diagonal struts to transmit loads and ensure stability - Google Patents

Lattice beam for roofs, floors etc - has two series of diagonal struts to transmit loads and ensure stability

Info

Publication number
FR2280754A1
FR2280754A1 FR7426528A FR7426528A FR2280754A1 FR 2280754 A1 FR2280754 A1 FR 2280754A1 FR 7426528 A FR7426528 A FR 7426528A FR 7426528 A FR7426528 A FR 7426528A FR 2280754 A1 FR2280754 A1 FR 2280754A1
Authority
FR
France
Prior art keywords
roofs
series
struts
ensure stability
lattice beam
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.)
Granted
Application number
FR7426528A
Other languages
French (fr)
Other versions
FR2280754B3 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7426528A priority Critical patent/FR2280754A1/en
Priority to LU70912A priority patent/LU70912A1/xx
Priority to DE19742444690 priority patent/DE2444690A1/en
Priority to NL7412365A priority patent/NL7412365A/en
Priority to BE6044752A priority patent/BE820089A/en
Priority to IT2747574A priority patent/IT1077042B/en
Publication of FR2280754A1 publication Critical patent/FR2280754A1/en
Application granted granted Critical
Publication of FR2280754B3 publication Critical patent/FR2280754B3/fr
Granted 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D1/00—Bridges in general
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00—Material constitution of bridges
    • E01D2101/30—Metal
    • E01D2101/32—Metal prestressed
    • 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
    • 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
    • E04C2003/0495—Truss like structures composed of separate truss elements the truss elements being located in several non-parallel surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The beam has an upper horizontal member (1) and a lower horizontal member (2). At the ends of these members there are vertical members (3 & 6) together with intermediate vertical struts (4 & 5) and inclined struts (7, 8, 9, 10, 11 & 12). There are a number of diagonal bars (15 & 16) which take part of the vertical component reaction at the ends of the struts. There is also a secondary system of diagonal bars (13 & 14) which are intended to assure the stability of each of the struts. The beam is for use for the roofs of buildings or for similar purposes such as floors etc.
FR7426528A 1973-09-19 1974-07-31 Lattice beam for roofs, floors etc - has two series of diagonal struts to transmit loads and ensure stability Granted FR2280754A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7426528A FR2280754A1 (en) 1974-07-31 1974-07-31 Lattice beam for roofs, floors etc - has two series of diagonal struts to transmit loads and ensure stability
LU70912A LU70912A1 (en) 1973-09-19 1974-09-16
DE19742444690 DE2444690A1 (en) 1973-09-19 1974-09-18 Lattice beam for roofs, floors etc - has two series of diagonal struts to transmit loads and ensure stability
NL7412365A NL7412365A (en) 1973-09-19 1974-09-18 PROFESSIONAL BEAM.
BE6044752A BE820089A (en) 1973-09-19 1974-09-18 TRIANGULAR BEAMS
IT2747574A IT1077042B (en) 1973-09-19 1974-09-19 PRECOMPRESSED RETICULAR BEAMS WITH SLIDING KNOTS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7426528A FR2280754A1 (en) 1974-07-31 1974-07-31 Lattice beam for roofs, floors etc - has two series of diagonal struts to transmit loads and ensure stability

Publications (2)

Publication Number Publication Date
FR2280754A1 true FR2280754A1 (en) 1976-02-27
FR2280754B3 FR2280754B3 (en) 1977-06-03

Family

ID=9141916

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7426528A Granted FR2280754A1 (en) 1973-09-19 1974-07-31 Lattice beam for roofs, floors etc - has two series of diagonal struts to transmit loads and ensure stability

Country Status (1)

Country Link
FR (1) FR2280754A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2838416A1 (en) * 2002-04-16 2003-10-17 Potain Sa Triangulation of trellis beam for crane jib comprises compression bars connecting beam upper and lower ribs and oblique traction bars connecting compression bar top to lower rib

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2838416A1 (en) * 2002-04-16 2003-10-17 Potain Sa Triangulation of trellis beam for crane jib comprises compression bars connecting beam upper and lower ribs and oblique traction bars connecting compression bar top to lower rib
EP1354841A1 (en) * 2002-04-16 2003-10-22 Potain Triangulation of a lattice beam, in particular of a jib element for a tower crane
US6871469B2 (en) 2002-04-16 2005-03-29 Potain Triangulation of a lattice girder, in particular of a jib element for a tower crane

Also Published As

Publication number Publication date
FR2280754B3 (en) 1977-06-03

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