Volume 2, Issue 2 (6-2012)
2012, 2(2): 287-299 |
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Jamshidi Avanaki M, Estekanchi H. COLLAPSE ANALYSIS BY ENDURANCE TIME METHOD. International Journal of Optimization in Civil Engineering 2012; 2 (2) :287-299
URL: http://ijoce.iust.ac.ir/article-1-92-en.html
URL: http://ijoce.iust.ac.ir/article-1-92-en.html
Abstract: (22980 Views)
Estimation of collapse performance is primarily conducted through Collapse Fragility Curves (CFC’s). The EDP-based approach is the main scheme for attaining such curves and employs IDA. Obtaining CFC’s from IDA results is tremendously time consuming and computationally demanding. Introduction of more efficient methods of seismic analysis, can potentially improve this issue. The Endurance Time (ET) method is a straightforward method for dynamic analysis of structures subjected to multilevel excitation intensities. In this paper, collapse analysis using ET analysis results to obtain EDP-based CFC’s, has been explained and demonstrated by a model. For verification, the resulting CFC has been compared to that obtained by IDA.
Keywords: collapse, collapse fragility curve, edp-based approach, incremental dynamic analysis, endurance time method, nonlinear time history analysis
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