Dynamic response analysis of cantilever retaining wall under earthquake

Yibiao Zhou; Xuening Ma

doi:10.1117/12.2619761

9 December 2021 Dynamic response analysis of cantilever retaining wall under earthquake

Yibiao Zhou, Xuening Ma

Proceedings Volume 12030, Third International Conference on Optoelectronic Science and Materials (ICOSM 2021); 1203027 (2021) https://doi.org/10.1117/12.2619761
Event: Third International Conference on Optoelectronic Science and Materials (ICOSM 2021), 2021, Hefei, China

Abstract

In order to study the dynamic response of cantilever retaining wall under earthquake action, FLAC3D numerical simulation software is used in this paper. EI Centro seismic wave is applied. On the basis of filtering and correcting the seismic wave, dynamic numerical simulation is carried out to analyze the distribution characteristics of active earth pressure under different peak acceleration, the dynamic response of acceleration along the wall height. The conclusions are as follows: the intensity of active earth pressure of retaining wall presents nonlinear distribution along the wall height, and the overall distribution is approximately "wave" shape, and the maximum earth pressure appears at the bottom of the wall, which is consistent with the position where the peak value of hilltop - physical theory appears. The total earth pressure calculated by pseudo static method is conservative compared with the simulated value, the retaining wall can still work normally under PGA = 0.4g. With the increase of the wall height, the amplification effect becomes more obvious, and the amplification coefficient reaches the maximum at the top of the wall.

Citation Download Citation

Yibiao Zhou and Xuening Ma "Dynamic response analysis of cantilever retaining wall under earthquake", Proc. SPIE 12030, Third International Conference on Optoelectronic Science and Materials (ICOSM 2021), 1203027 (9 December 2021); https://doi.org/10.1117/12.2619761

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