Structural Engineering and Mechanics
Volume 10, Number 5, 2000, pages 479-489
DOI: 10.12989/sem.2000.10.5.479
Effects of shear deformation on the effective length of tapered columns with I-section for steel portal frames
Li GQ , Li JJ
Abstract
Based on the stiffness equation of the tapered beam element involving the effects of axial force and shear deformation, numerical investigations are carried out on elastic instability for web-linearly tapered columns with I-section of steel portal frames. Effects of shear deformation on the effective length of the tapered columns with I-section are studied. An efficient approach for determining the effective length of the tapered portal frame columns considering effects of shear deformation is proposed.
Key Words
tapered column with I-section, effective length, finite element, shear deformation, steel portal frame
Address
Li GQ, Tongji Univ, Dept Bldg & Struct Engn, Shanghai 200092, Peoples R China<br />Tongji Univ, Dept Bldg & Struct Engn, Shanghai 200092, Peoples R China
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