Paper Title:
Vulnerability Analysis for Steel Frame Structure Due to Strong Earthquakes
  Abstract

To evaluate the damage level of steel structure under different earthquakes, a kind of vulnerability analysis method based on seismic damage assessment was developed using the improved two-parameter damage model which was proposed by considering the effect of hysteretic deformation amplitude to accumulative damage energy dissipation. This method is firstly to establish large samples of earthquake-structure, conduct a series of dynamic analysis to obtain the probability function of structural response and bearing capacity corresponding to different damage states, and then to draw the vulnerability curves and evaluate the damage state of the structure under different earthquake intensity. As a numerical example, a 9-story steel benchmark structure model under strong earthquakes was analyzed, and the theoretical vulnerability curves with lognormal distribution were obtained and the exceeding probability of structure at different damage level had been assessed.

  Info
Periodical
Edited by
Xuejun Zhou
Pages
1486-1489
DOI
10.4028/www.scientific.net/AMM.90-93.1486
Citation
L. H. Xu, X. Shan, Z. X. Li, "Vulnerability Analysis for Steel Frame Structure Due to Strong Earthquakes", Applied Mechanics and Materials, Vols. 90-93, pp. 1486-1489, 2011
Online since
September 2011
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