蒲石河抽水蓄能电站上库分水岭渗漏分析

蒲石河抽水蓄能电站上库为天然库盆,水库渗漏问题是主要工程地质问题之一。分析与研究库周总长为3 700.2 m库岸分水岭的渗漏问题后认为,长约846 m的北库岸水库蓄水后库水外渗的可能性不大;西、南库岸地段水力坡降增大,渗径较短,渗流量增大;西库岸存在沿F1、Fy3、F103等断层破碎带渗漏通道的地质条件;上水库总渗漏为3 413.89 m3/d。渗漏分析大体上能够反映实际情况,但有些问题仍需进一步研究。

Seepage Analysis of Watershed Divide for the Upper Reservoir of Pushihe Pumped-storage Power Station

The upper reservoir of Pushihe Pumped-storage Power Station is a natural reservoir basin.The reservoir seepage is one of key engineering geological problems.The seepage of the watershed divide around upper reservoir with a total length of 3 700.2 m is analyzed,and the results show that the seepage of north reservoir bank with a length of 846 m is unlikely to occur after water storage,the seepage of west and south banks will increase because the hydraulic gradient is increased and the seepage path is shorten,there may be seepage passages in west bank because there are F1,Fy3 and F103 faults,and the total seepage of upper reservoir is 3 413.89 m3/d.The above analysis can basically reflect the actual seepage,but some issues need to be further studied.