地震荷载作用下震裂–溃滑型边坡破坏过程及动力响应振动台模型试验研究

doi:10.13722/j.cnki.jrme.2016.1256

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Abstract

Landslide induced by earthquake is a common geological disaster in mountain area of China. In order to understand deeply failure process and dynamic response of slope under earthquake load，in this paper the shaking table model test on failure mode of shatter-burst sliding slope is conducted. Physical process of slope¢s failure and seismic response of slope under earthquake load is analyzed in detail. Similarity model is designed and model tests for different parameters are done. Experimental results show that the loading wave has important influence on the variation of acceleration amplification factor along slope elevation under earthquake load. Under the same condition，acceleration amplification factor at slope is the largest under Wolong wave load，and that is the smallest under Sine wave load. The magnitude of acceleration amplification factor at slope under EL Centro wave is between Wolong wave and Sine wave. The relation between acceleration amplification factor and peak value of loading wave¢s acceleration is obviously influenced by loading wave and location of soil at slope. When the frequency of loading wave is smaller(e.g. less than 6 Hz)，acceleration amplification effect for all the location at slope is weak. When the frequency of loading wave is higher(e.g. more than 10 Hz)，acceleration amplification effect near the bottom of slope is weak and that is significant at middle-upper part of slope.

Key words： slope engineering earthquake load shatter-burst sliding slope failure process shaking table test

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	Articles by authors
	YANG Bing
	YANG Xiang
	YANG Tao
	WANG Runmin
	ZHOU Depei

Cite this article:

YANG Bing,YANG Xiang,YANG Tao, et al. Shaking table model test on dynamic response and failure process of shatter-burst sliding slope under earthquake load[J]. , 2018, 37(S1): 3279-3290.

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https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2016.1256 OR https://rockmech.whrsm.ac.cn/EN/Y2018/V37/IS1/3279

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