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WEN JingChong,
SHI YongXiang,
NING JieYuan
.2021.Measurement of high-speed rail surface-wave phase-velocity dispersion.Chinese Journal of Geophysics (in Chinese),64(9): 3246-3256,doi: 10.6038/cjg2021P0252
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| Measurement of high-speed rail surface-wave phase-velocity dispersion |
| WEN JingChong1, SHI YongXiang1, NING JieYuan1,2 |
1. School of Earth and Space Sciences, Peking University, Beijing 100871, China;
2. Hebei Hongshan Geophysical National Observation and Research Station, Hebei Xingtai 054000, China |
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Abstract In order to make full use of the surface wave information in high-speed rail seismic signals, this paper applies the two-station method and the rotation method to the high-speed rail seismic simulation results, trying to obtain dispersion curves of the fundamental-mode Rayleigh and Love waves. By analyzing the interference characteristics of the wave field generated by the piers of the high-speed rail with viaduct, we propose a surface-wave phase velocity correction method suitable for the high-speed rail seismic wave field. Numerical tests show the effectiveness of the method.
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Received: 19 April 2021
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