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Steel and Composite Structures
  Volume 10, Number 6, December 2010 , pages 489-500
DOI: https://doi.org/10.12989/scs.2010.10.6.489
 


Effects of RHS face deformation on the rigidity of beam-column connection
M.A. Hadianfard and H. Rahnema

 
Abstract
    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
 
Address
Civil and Environmental Eng. Department, Shiraz University of Technology, Shiraz, Iran
 

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