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A Study on the Stress Evaluation Equations for Steel Circular Column-to- Box Beam Connections  

Park, Yong Myung (부산대학교 토목공학과)
Chang, Won Je (부산대학교 토목공학과)
Hwang, Won Sup (인하대학교 토목공학과)
Publication Information
Journal of Korean Society of Steel Construction / v.16, no.5, 2004 , pp. 505-517 More about this Journal
Abstract
This paper presented equations on the stress evaluation of steel frame pier connections that were composed of a box beam and a circular column. The existing equations, which transformed the circular column into an equivalent box column had some problems; they underestimated a shear lag stress as the joint angle decreased, and overestimated a shear stress as the joint angel increased. Therefore, FE analyses were performed with various parameters, such as joint angle(${\alpha}$), span length-width ratio(L/B), and circular column-to-box beam stiffness ratio(${\alpha}$), and new equations on stress evaluation were proposed based on FE analyses. Furthermore, material and geometric nonlinear analyses were performed to estimate ultimate strength and to confirm the validity of the proposed equations.
Keywords
Circular column-to-box beam connections; Equations for stress evaluation; Shear lag stress; Shear stress; Ultimate strength;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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