Journal of Structural Engineering, A
Online ISSN : 1881-820X
Earthquake Engineering and Seismic Design
Applicability of the Initial Lateral Load Method (ILLM) to nonlinear stability/seismic analysis for laterally braced steel structures
Tsutomu UsamiMotoya SuzukiHanbin Ge
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2019 Volume 65A Pages 200-213

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Abstract

Elasto-plastic large deflection static/dynamic analysis using beam elements is one of the most practical, yet reliable tools in stability/seismic design of steel structures. This analysis cannot take into account local buckling; however, member flexural bucking can be incorporated into the analysis if adequate analytical models are used for the bracing members. This paper deals with an in-depth study on exploring a rational analytical model for bracing members under cyclic loadings. As a result, the Initial Lateral Load Method (ILLM) proposed in the previous study is proved to be the most reliable as well as practical method.

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© 2019 by Japan Society of Civil Engineers
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