Proposal of nonlinear dynamic analytical method taking account of effects of local buckling damage

Author:

Yamao Toshitaka,Morimitsu Akito,Sujaritpong Atavit,Chandra Faizal

Abstract

<h2>Akito Morimitsu Civil Engineer ARC Information Systems</h2><p>Tokyo, Japan</p><h2>Atavit Sujaritpong Lecturer Ramkhamhaeng University Bangkok, Thailand</h2><p>The nonlinear dynamic analytical method taking account of effects of local buckling damage was developed. The stress-strain hysteresis model based on obtained average stress versus average strain relationship was introduced into the elasto-plastic dynamic analysis program with a fiber beam element. The seismic response analysis of several bridge piers and frame structure models were performed by this proposed analytical method. The validity and effectively of the present method was shown by comparing the numerical results and the experimental results.</p>

Publisher

International Association for Bridge and Structural Engineering (IABSE)

Reference6 articles.

1. NONAKA T., USAMI T., YOSHINO H., SAKAMOTO Y. and TORIGOE, T., "Elasto-plastic behavior and improvement of seismic performance for upper-deck type steel arch bridges", Jour. of Structural Mechanics and Earthquake Engineering, JSCE, 731/-63, 2003, pp. 31-49.

2. ATAVIT S., YAMAO T., TSUJINO Y. "Seismic responses of the partially concrete-filled arch bridges and a performance evaluation method", Proceedings of 9th International Conference on STEEL, SPACE & COMPOSITE STRUCTURES, 2006, pp.611-618.

3. ITOH Y., "An analytical method for elasto-plastic dynamic responses of steel structures by using fiber beam-column elements", Master’s Thesis, Graduate school of Engineering, Kumamoto University, 1994. (In Japanese)

4. SAKIMOTO T., WATANABE H., NAKASIMA K. "Hysteretic models of steel box members with local buckling damage", Journal of JSCE, No.647/I-51, 2000, pp.343-355. (In Japanese)

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