Title: ELASTIC STABILITY ANALYSIS OF COLUMN IN STEEL FRAMES WITH REDUCED BEAM SECTION CONNECTIONS
Abstract:By using rotational displacement equation of beams with varied cross-section and analyzing the effect of the column proximal end,the paper derives the equations for determining the effective length fa...By using rotational displacement equation of beams with varied cross-section and analyzing the effect of the column proximal end,the paper derives the equations for determining the effective length factor of columns in non-sway and sway steel frames with RBS(reduced beam section) connections.To do that,modified linear stiffness ratio is introduced,which can be written as a formula similar to that in appendix D in ‘Code for Design of Steel Structure’.The results show that effective length factor of non-sway RBS steel frames is very close to that of non-sway conventional steel frames,so the paper suggests that the effective length factor of columns in non-sway RBS frames can be replaced by that of columns in non-sway conventional steel frames;but the effective length factor of sway RBS steel frames is greatly large compared with that of sway conventional steel frames,which should be considered in engineering design.Read More
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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