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1 前言江垭水利枢纽位于湖南省慈利县娄水的中游,距长沙市332km,主要建筑物是一座长128m,高32.7m的碾压砼重力坝和一座30万kW装机容量的地下式电站。砼总量为137万m~3,其中碾压砼114万m~3,计划工期为42个月,由辽宁省水利水电工程局和意大利孔多特公司共同承建。江垭大坝砼采用人工骨料,石料场位于索水右岸,距坝址5km,根据岩性及位置的不同,将料场分为3个采石区。料场岩石抗压强度在50～80MPa,白云质灰
1 Introduction Jiangya Water Control Project is located in the middle reaches of Loushui in Cili County, Hunan Province, 332km away from Changsha City. The main building is a 128m-long, 32.7m-high RCC gravity dam and a 300MW underground hydropower station . The total amount of concrete is 1.37 million m 3, of which 1.14 million m 3 are crushed concrete, with a planned construction period of 42 months, which is jointly constructed by Liaoning Provincial Bureau of Water Resources and Hydropower Engineering and Italian Condott Company. Jiangya dam concrete using artificial aggregate, stone field is located on the right bank cable, away from the dam 5km, according to different lithology and location, the material yard is divided into three quarries. Rock crushing site compressive strength of 50 ~ 80MPa, white clouds of gray