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A platform for research: civil engineering, architecture and urbanism
Lateral stability of welded light trusses
Analysis based on work energy principle is presented for elastic lateral stability of light continuous chord trusses supported laterally at equidistant points along both chords; tests on steel joists, which are representative of light trusses, show good agreement with analysis; more exact analysis is recommended for continuous chords of closed cross section of large torsional stiffness compared to stiffness of web members; tests show that removal of lateral support on bottom chord reduces critical load by about 10%; spacing of bridging during construction depends on physical properties of chords; spacing at acceptable stress levels is significantly different than spacing now used.
Lateral stability of welded light trusses
Analysis based on work energy principle is presented for elastic lateral stability of light continuous chord trusses supported laterally at equidistant points along both chords; tests on steel joists, which are representative of light trusses, show good agreement with analysis; more exact analysis is recommended for continuous chords of closed cross section of large torsional stiffness compared to stiffness of web members; tests show that removal of lateral support on bottom chord reduces critical load by about 10%; spacing of bridging during construction depends on physical properties of chords; spacing at acceptable stress levels is significantly different than spacing now used.
Lateral stability of welded light trusses
ASCE -- Proc (J Structural Div)
Hribar, J.A. (author) / Laughlin, W.P. (author)
1968
21 pages
Article (Journal)
English
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