拉哇水电站工程截流方案和实施  

Scheme and Fulfillment of River Closure in Lawa Hydropower Station

作　　者：练新军 李洪林 LIAN Xinjun;LI Honglin(Sinohydro Bureau 12 Co.,LTD,Hangzhou,Zhejiang,310004)

机构地区：[1]中国水利水电第十二工程局有限公司,浙江杭州310004

出　　处：《四川水力发电》2022年第3期55-59,共5页Sichuan Hydropower

摘　　要：拉哇水电站位于金沙江上游,坝址区总体为高山峡谷地形,河流深切呈“Ⅴ”字型,枯期流量较大,增加了工程截流的难度。针对这种情况,在截流前先根据截流时段、截流标准、堰址地形地貌和水文地质特征参数进行截流水力学计算,并通过水力模型试验成果优化确定截流方案,按期实现大江截流,为类似水电工程截流提供借鉴。Lawa Hydropower Station is located in the upper reaches of the Jinsha River.The dam site area is generally alpine and canyon terrain.The river is deeply incised in the shape of V,and the flow during dry season is relatively large,which increase the difficulty of closure.In view of this situation,closure hydraulics are calculated according to the closure period,closure standard,topography and hydrogeological characteristics of the weir site,and the closure scheme is optimized and determined through hydraulic model test.River closure is realized on schedule and this paper provides reference for similar hydropower projects in terms of river closure.

关 键 词：拉哇水电站 截流 方案确定 方案实施 

分 类 号：TM622[电气工程—电力系统及自动化] TV551.2[水利工程—水利水电工程] TV551.16