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桐子园滑坡为大型岩质滑坡,通过桐子园实地地质调查,深入研究了桐子园的地质特征,对该滑坡的形成过程和机理进行分析。在强雨水的作用下滑坡上砂质泥岩层与砂岩接触面成为潜在软弱带。滑体呈现出后厚前薄的特点,砂岩从后缘到前缘发生了尖灭,前缘没有较好的临空条件而发生隆起。
Tongziyuan landslide is a large-scale rocky landslide. Through the geological investigation of Tongziyuan, the geological characteristics of Tongziyuan are deeply studied and the forming process and mechanism of the landslide are analyzed. Under the action of heavy rainfall, the contact surface between the sandy mudstone and the sandstone becomes a potential weak zone. The slippery body is characterized by a thick front and a thin front. The sandstone is pinched off from the trailing edge to the leading edge, and the leading edge rises without any better aerial condition.