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《The Chinese Journal of Geological Hazard and Control》 2017-01
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Research on engineering geology characteristics of Wangshan-Zhuakousi landslide in sliding zone in Emeishan city

CHU Hongliang;SUN Changyong;ZHANG Xiyi;LI Chenghao;China Institute of Geo-Environment Monitoring;Yantai Jereh Ghana LIMITED;China Petroleum Pipeline Bureau Tianjin Design Institute;  
The article based on the onsite survey on the geological characteristics of landslide,with indoor experiment has researched the grain components,mineral composition,micro structure,physical mechanics property of the Wangshan-Zhuakou Temp landslide in Emeishan City,and analyzed the effect of rainfall to landslide stability.Results shows that tuff interlayers is the main material basis of landslide formation,and the main components of soil in the sliding zone is silty clay.The soil in sliding zone has obvious deep creep polished surface and signs of scratches.Silty clay has a high content of clay and weak permeability with a lot of clay mineral such as montmorillonite which is easy to be softened after absorbing water.Sharp decrease in mechanical strength,and it is the main inducing factor for a moving landslide.
【Fund】: 中国地质调查局项目(1212011220124);; 国家自然科学基金项目(41172254)
【CateGory Index】: P642.22
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