Abstract
The objective of this study is to propose the axial load ratio which assure that strengths of CFT beam-columns attain the full plastic moment. CFT beam-columns subjected to constant vertical load and monotonic increasing moment are analyzed and the maximum strengths are obtained, taking the moment gradient ratio, the value of stability index α, strengths of materials and width-thickness ratio of steel tube as analytical parameter. After examining the effects of parameters on the maximum strength, required conditions for attainment of full plastic moment are consequently summarized as Eqs. (12)-(15).
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Schedule a callMore From: Journal of Structural and Construction Engineering (Transactions of AIJ)
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