Kou kouzou rombunshuu
Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
A simplified numerical method for seismic design of steel piers with octagonal cross-section
Masakazu ADACHITatsuro SAKIMOTOTakahiro TOKUDAHiroshi WATANABE
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2003 Volume 10 Issue 37 Pages 79-90

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Abstract

A nonlinear FEM is employed to analyze the ultimate behavior of steel octagonal-section columns composed of plate with various width-thickness ratios. From numerical results, equivalent averaged stress-strain relations for steel octagonal-section columns including the effect of local buckling are derived. The equivalent stress-strain relations for cyclic loading are also formulated. By introducing the equivalent stress-strain relations into a frame analysis, a numerical method, which is capable of analyzing ultimate behavior consideration of local buckling, is developed. Accuracy of the proposed method is shown through several numerical examples.

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© Japanese Society of Steel Construction
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