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地质与物探综合研究表明 ,八渡滑坡是由于砂岩强风化层顶部富含高岭土等矿物 ,暴雨后饱水变为易流层 ,引起强风化和松散层重力失稳。滑动体厚度 2 0m左右 ,滑动面积近 3万m2 ,滑动体积约 6 0万m3 。在查清了地质条件的基础上 ,提出了抗滑与治水并重的治理方案
Geological and geophysical comprehensive studies show that the Badugu landslide is caused by the rich tops of kaolinite and other minerals in the strong weathered sandstone layers. After the heavy rain, the saturated water turns into a turbulent layer that causes strong weathering and loose layer gravity instability. Slider thickness 20m or so, the sliding area of nearly 30000 m2, the sliding volume of about 60 million m3. On the basis of ascertaining the geological conditions, the paper put forward the treatment scheme that both the anti-skid and the water are treated equally