引黄工程总干一、二级泵站地下厂房防渗排水设计

Anti-seepage and drainage design of underground pump house in GMPS1 and GMPS2 for the Wanjiazhai Yellow River Diversion Project

总干一、二级地下泵站区域性地下水位较低 ,地下洞室的主要渗漏水来自工程运行期 ,尤其是出水系统设计水头高达 1 90m ,为防止内水外渗危及厂房安全 ,在可能产生渗漏的部位采取一定的防渗措施 ,同时加强地下洞室的排水。

The regional underground water level is low in GMPS1 and GMPS2.The seepage water for the caverns is mainly caused in operating period,especially 190m high of the design water head in outlet system,and in order to prevent the inner water leaking out to damage the safety of the pump house,the anti seepage measures shall be taken in the possible points and at the same time to strengthen the drainage of the caverns