2008•The Chinese Journal of Geological Hazard and ControlRequires access
Cause mechanism and treatment scheme for landslide in matou Mountain of Zhouning County of Fujian
Chi Yong-xiang
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Abstract
This paper introduced firstly geological condition of the landslide and then expounded the landslide configuration,characteristics of landslide surface and landslide bed,and the influence of climate,hydrological geological condition,landform and human engineering activities on the landslide.The formation process and mechanism of landslide were analyzed particularly,and the results includes five steps: excavating,landslide zone soil intenerated and shear strength decreasing or losing,slope surface upheaval and slope top crazing and shearing failure of slope foot,shearing failure area develops and connects with open crack of back part of landslide,land-sliding formation.According to quantitative methods,the slope is in the state of limit equilibrium at present.It is possible to slide fast under the influence of continuous rainfall or rainstorm ect..It is suggested that the treatment techniques such as excavation for reducing the load,drainage,and surface protection should be taken for the landslide treatment,