A Simplified Procedure for Prediction of Ultimate Strength of Beam-Column Channel Sections

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DOI: 10.4236/eng.2011.310120    5,317 Downloads   9,226 Views  Citations
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ABSTRACT

A design procedure is presented to estimate the load carrying capacity of beam-column channel sections. A reduced cross-section is used to compensate for the reduction in the post-buckling stiffness. The non-linear stress distribution acting on the entire channel width is replaced by simplified linear distributions. Using this simplified concept, the maximum stress in the post-buckling state, is assumed to be carried entirely by both edges while the central region of the channel remains unstressed. Thus a fraction of the channel section is considered in resisting the applied loading. This approximation enables the structural engineer to deal with a simplified stress distribution to compute the ultimate strength instead of the non-linear one.

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O. Bedair, "A Simplified Procedure for Prediction of Ultimate Strength of Beam-Column Channel Sections," Engineering, Vol. 3 No. 10, 2011, pp. 973-977. doi: 10.4236/eng.2011.310120.

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