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一、工程概况1.水库概况新疆哈密市沁城乡射月沟水库位于沁城乡头宫村射月沟上游2千米处,位于东经94°34′～94°37′,北纬42°41′30″～42°44′。工程位于射月沟下游,属拦河式水库。2007年动工修建,设计库容678万米3,属于小型山区水库。2.坝基工程地质条件坝址区坝肩及河谷内下伏基岩由黑云母花岗岩和钾质花岗岩混合岩体组成,夹有少量辉绿岩脉,因构造影响,岩石破碎程度相对较高,坝址基岩强风化带厚4.00～5.00米,弱风化层下限埋深在基岩界面以
First, the general situation of the project 1. Reservoir Overview Xinjiang Bayiqin Township, Qincheng County, Xinjiang Uygur Autonomous Region is located 2 kilometers upstream of Shek Mook, Tientsin Township, located 94 ° 34 ’~ 94 ° 37’ longitude, 42 ° 41’30 "~ 42 ° 44 ’.Project is located in the downstream of Shouyougou, belongs to river-type reservoirs .2007 start construction, design capacity of 6780000 m 3, is a small mountain reservoir .2 dam foundation dam site engineering dam and valley The inner underlying bedrock is composed of a mixture of biotite granite and potassic granite with a few diabase veins sandwiched between them. Because of the tectonic setting, the crushing degree of the rock is relatively high, and the weathered belt thickness at the dam site is 4.00 ~ 5.00 meters. Weathered layer lower limit buried bedrock interface