Study on Slope Response under Seismic Loading:Taking the Dongshan-Shiziliang Profile in Qingchuan, Sichuan as an Example

Abstract

Abstract:

Based on systematic analysis of field data of earthquake monitoring profile in Qingchuan, Sichuan，this paper employed the universal finite element analysis software (ANSYS) to establish a numerical model of Dongshan-Shiziliang monitoring profile, and the response of the slope under seismic loading was simulated. The results show that: under seismic loading, the seismic response of slope does not monotonously increase, but is closely related with the slope landform and the development degree of fractures in rock masses; the seismic response increases gradually from the inside of slope to its surface, and when the slope direction is same with the wave propagation the response is greater than that in the opposite direction. This study provides a basis for proposing a more reasonable method to evaluate slope stability under seismic loading.

Key words: ANSYS, seismic loading, slope, seismic acceleration, dynamic response, numerical simulation, Qingchuan, Sichuan

CLC Number:

P315

WANG Fu-Hai, WANG Yun-Sheng, SUN Gang, XU Hong-Biao, LUO Qi-Long. Study on Slope Response under Seismic Loading:Taking the Dongshan-Shiziliang Profile in Qingchuan, Sichuan as an Example[J]. Geoscience, 2011, 25(1): 142-150.

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