Paper Title:
The Non-Stationary Characteristic Study of Multidimensional Ground Motion by HHT Method: A Case Study from the Chi-Chi Earthquake
  Abstract

Based on HHT method, the influences of site conditions and epicenter distance on non-stationarity of multidimensional ground motion were studied. Additionally, preliminary statistics were carried out on frequency characteristics of multidimensional ground motion under different site conditions. The analysis results showed that HHT method was more accurate in a quantitative description of frequency-domain non-stationarity of ground motion than zero-crossing rate method, and also can reflected the non-stationarity of multidimensional ground motion better.

  Info
Periodical
Edited by
Xuejun Zhou
Pages
1490-1497
DOI
10.4028/www.scientific.net/AMM.90-93.1490
Citation
H. G. Chen, Y. M. Li, S. Q. Shi, "The Non-Stationary Characteristic Study of Multidimensional Ground Motion by HHT Method: A Case Study from the Chi-Chi Earthquake", Applied Mechanics and Materials, Vols. 90-93, pp. 1490-1497, 2011
Online since
September 2011
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