Abstract
Spatial diversity is observed for the ground motion non-stationarity of amplitudes as well as frequency contents during the 1999 Chi-Chi earthquake. The non-stationarity of frequency contents must have affected non-linear behavior of structures bearing such large ground motion with their plastic deformations; however, most artificial ground motion for design cannot account for this non-stationarity. In this study, we have adapted the wavelet transform on the records and extracted the non-stationarity in different frequency bands by statistics of the wavelet coefficients. Based on these statistics, we are discussing the artificial ground motion modeling with wavelet coefficients.
| Original language | English |
|---|---|
| Pages (from-to) | 571-580 |
| Number of pages | 10 |
| Journal | Advances in Earthquake Engineering |
| Volume | 9 |
| Publication status | Published - 2001 Dec 1 |
| Event | Third International Conference on Earthquake Resistant Engineering Structures, ERES III - Malaga, Spain Duration: 2001 Sep 4 → 2001 Sep 6 |
ASJC Scopus subject areas
- Civil and Structural Engineering
- Geotechnical Engineering and Engineering Geology
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Maeda, T., & Sasaki, F. (2001). Spatial distribution of the ground motion during the 1999 Chi-Chi earthquake based on the wavelet transform. Advances in Earthquake Engineering, 9, 571-580.