Paper Title:
Evaluation of Intensity Measures for Pulse-Like Ground Motions
  Abstract

The correlation between intensity measures (IM) for pulse-like ground motions and nonlinear deformation demand of single-degree-freedom-systems (SDOF) is researched, and the efficiency of IM is described. Based on dynamic time analysis of SDOF systems subjected to 72 pulse-like ground motions, the present study investigates the variation of the correlation coefficient between IM for pulse-like ground motions and maximum nonlinear deformation demand of SDOF with the constant-ductility or constant strength system setting. Linear regression analyses are performed on these results to identify the efficiency of peak ground velocity (PGV) and spectral acceleration Sa(T1), which is used as IM for pulse-like ground motion. The study shows that IM of pulse-like ground motions depend distinctly on the system period, ductility levels and strength reduction factors have important influence on the correlation and dispersion, and Sa(T1) and PGV are relatively the good IM for pulse-like ground motion.

  Info
Periodical
Advanced Materials Research (Volumes 163-167)
Edited by
Lijuan Li
Pages
4350-4355
DOI
10.4028/www.scientific.net/AMR.163-167.4350
Citation
J. Zhou, K. L. Chen, L. H. Zhao, "Evaluation of Intensity Measures for Pulse-Like Ground Motions", Advanced Materials Research, Vols. 163-167, pp. 4350-4355, 2011
Online since
December 2010
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$32.00
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