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本文通过K20工程滑坡与水库坍岸综合勘察实例,重点介绍了岩土膨胀性、工程滑坡等不良地质是影响最终坍岸范围的关键因素,利用钻孔测斜仪探测滑面深度,监测滑坡变形趋势,以边坡滑塌实例反算与室内试验结合确定滑带剪切强度参数,预测蓄水后潜在库岸失稳区段。
Based on the example of K20 engineering landslide and reservoir collapse comprehensive survey, this paper mainly introduces the adverse geology such as geotechnical expansion and engineering landslide, which are the key factors affecting the ultimate collapse area. The drilling slope inclinometer is used to detect the sliding surface depth and monitor landslide deformation Trend, taking the case of slope slip example back calculation and indoor test to determine the sliding shear strength parameter, and predict the potential reservoir bank instability zone after impoundment.