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袁家滩二级电站位于赫章县拖倮河与干河交汇处下游河谷内,电站工程建设施工阶段在引水渠道(0+100~0+220)段发生滑坡变形,滑坡体下滑过程中部分损坏了新修渠道的内侧墙,并大量堆积在新修渠道内,对引水渠道施工建设造成很大影响。通过对该滑坡体的工程地质条件、形成原因和稳定情况进行分析研究,并对处理方案进行探讨,提出了最终工程处理方案。方案实施后的情况表明:滑坡体处理方案是可行的,不仅为项目建设业主节约了投资费用,而且产生了较好的社会经济效益。
Yuanjiatan II hydropower station is located in the lower reaches of the confluence of the Tuohe River and Ganhe River in Hezhang County. Landslide deformation occurred in the diversion channel (0 +100 ~ +220) during the construction stage of the power station and part of the landslide body slipped Damaged the inner wall of the newly-repaired channel and accumulated in a large amount in the newly repaired channel, which has a great impact on the construction of the diversion channel. By analyzing the engineering geological conditions, causes and stability of the landslide body, and discussing the treatment plan, the final engineering treatment plan is put forward. The situation after the implementation of the program shows that the landslide treatment scheme is feasible, which not only saves the investment cost for project construction owners, but also produces better social and economic benefits.