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甘溪水轮泵水电站枢纽工程位于洣水下游衡东县境内,距洣水入湘江口32公里,距甘溪镇约2公里的三钵花处。本枢纽控制流域面积为11730平方公里,占洣水流域总面积的96%,总库容4820万立方米,是一个以水轮泵提水灌溉为主,兼顾发电、航运等综合利用的水利枢纽工程。工程经过三十多年的运行,发现船闸、左泵房、大坝电厂厂房段渗漏严重,需采用帷幕灌浆进行防渗加固处理。工程于二OO七年十月开工,二OO八年十月竣工,目前所有渗漏处均已滴水不漏。从灌浆成果来分析灌浆效果是好的。该处已形成了满足设计要求的帷幕。
Ganxi Turbine Pumping Station is located in the downstream of Huishui County in Hengdong County, 32 kilometers away from Miaoxian into the Xiangjiang River estuary, and about 3 kilometers away from Ganxi Town. The control basin area of 11,730 square kilometers, accounting for 96% of the total drainage area, with a total storage capacity of 48,200,000 cubic meters, is a water pump for irrigation, taking into account the comprehensive utilization of power generation, shipping and other water conservancy hub project . After more than 30 years of operation, it is found that the seepage of the ship lock, left pump house and dam power plant section is serious, and curtain grouting should be used for anti-seepage reinforcement. The project started in October 2007 and completed in October 2008. At present, all the leaks have been dripped. From the grouting results to analyze the effect of grouting is good. The Department has formed a curtain to meet the design requirements.