论文部分内容阅读
下浒山水库工程位于安徽省安庆市潜山县源谭镇以北约6km的大沙河上。坝址处于变质岩分布区,岩性构造复杂,特别是坝基岩体中倾向下游的F1断层与裂隙、片理、片麻理构造组合,影响大坝的稳定。另外,右岸水库近坝地段分水岭单薄,岩体风化深度大,透水层厚度大,水库存在向邻谷五井河渗漏的可能性。本文通过对各段坝基岩体中不利结构面的组合分析论证了大坝的安全稳定,并对水库向邻谷渗漏的问题进行了初步分析。
The Hu Shan Reservoir project is located on the Dasha River, about 6 km north of Yuan Tan Town, Qianshan County, Anqing City, Anhui Province. The dam site is in a metamorphic rock distribution area with complex lithologic structures. In particular, the fault F1 complex along the downstream of the dam foundation rock mass is affected by the structural combination of fissures, slices and slices, affecting the dam stability. In addition, the watershed of the dam near the dam of the right bank is very thin, the weathering depth of the rock mass is large, the thickness of the aquitard is large, and the reservoir may leak to the Wujing River in the adjacent valley. In this paper, the safety and stability of the dam are demonstrated by the combination analysis of the unfavorable structural planes in the rock mass of each segment, and a preliminary analysis of the problem of seepage to the adjacent valley by the reservoir is carried out.