A slope locates at the right bank of a reservoir above highroad, its soil composed by weak sandstone and pulpy rock.The age-old slope is affected by the drape, zone of fracture and ground water.

• 摘要某边坡位于水库右岸公路以上，土层主要为软弱的砂岩和泥页岩，历史上形成的古滑坡体由于受褶皱和断裂构造及地下水的影响，基岩表层进一步风化、卸荷和泥化，再次发生滑动。