Techno Press

Steel and Composite Structures   Volume 10, Number 6, December 2010, pages 489-500
Effects of RHS face deformation on the rigidity of beam-column connection
M.A. Hadianfard and H. Rahnema

Abstract     [Full Text]
    The rigid connections of I-beams to Rectangular Hollow Sections (RHS) in steel structures usually behave as semi-rigid connection. This behavior is directly related to the column face deformation. The deformation in the wall of RHS column in the connection zone causes a relative rotation between beam end and column axis, which consequently reduces the rigidity of beam-column connection. In the present paper, the percentages of connection rigidity reduction for serviceability conditions are evaluated by using the finite element analysis. Such percentages for RHS columns without internal stiffeners are considerable, and can be calculated from presented graphs
Key Words
    steel frames; rigid-connection; semi-rigid connection; finite element; box column; rectangular hollow section
Civil and Environmental Eng. Department, Shiraz University of Technology, Shiraz, Iran

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