西安地裂缝场地动力响应规律振动台模型试验研究

doi:10.13722/j.cnki.jrme.2019.0890

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Abstract The response of Xi?an ground fissure site and its site seismic design were studied by conducting a shaking table model test. According to the test results，the closer of the ground fissure，the greater of the peak acceleration，with the increased of ground fissure distance，the peak ground acceleration gradually decreased and stabilized gradually，and the range of influence was about 30 m in the hanging wall，while 18m in the footwall；with the increased of input ground motion intensity，the peak ground acceleration gradually decreased but at a different rate；the dynamic response of the ground fissure site shows obvious “hanging effect” and “zoning” laws affected by ground fissures，which can be divided into “Yield belts”，“defensive belts” and “safety belts”type；with the increased of input ground motion intensity，the site seismic amplification decreased integrally，which is tend to stabilized when the peak acceleration reached 0.3 g. The model test results provide a theoretical basis for the seismic fortification of the ground fissure site engineering in Xi′an.

Key words： geotechnical engineering seismic wave ground fissures of Xi′an dynamic response shaking table model test

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	Articles by authors
	MU Huandong1
	2
	DENG Yahong 2
	3
	CHANG Jiang2
	YAN Zuofei2
	XUAN You2

Cite this article:

MU Huandong1,2,DENG Yahong 2, et al. Shaking table model test study on dynamic response of Xi?an ground fissure site[J]. , 2020, 39(S1): 3139-3149.

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http://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2019.0890 OR http://rockmech.whrsm.ac.cn/EN/Y2020/V39/IS1/3139

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