数码电子雷管在杨房沟水电站拱坝坝基开挖中的运用  

Application of Digital Electronic Detonator in Arch Dam Foundation Excavation of Yangfanggou Hydropower Station

作　　者：刘明生[1] 刘泽艳[1] 范道林[1] LIU Mingsheng;LIU Zeyan;FAN Daolin(First Branch of Sinohydro Bureau 7 Co., LTD, Chengdu, Sichuan, 610213)

机构地区：[1]中国水利水电第七工程局有限公司,四川成都610213

出　　处：《四川水力发电》2021年第6期41-46,共6页Sichuan Hydropower

摘　　要：水电站工程的坝基控制爆破成型要求高,质量要求严,采用传统非电雷管进行控制爆破存在一定的瑕疵。阐述了杨房沟水电站双曲拱坝左岸坝基采用数码电子雷管进行控制爆破开挖的施工情况,介绍了数码电子雷管在坝基爆破最大质点振动控制、开挖质量控制中具有的优势。Blasting in construction of dam foundation of hydropower project has high requirements for profile forming and quality.Traditional non-electric detonators controlled blasting has certain shortcomings.Digital electronic detonator controlled blasting is applied in construction of the left bank foundation of double curved arch dam of Yangfanggou Hydropower Station.This paper describes the advantages of digital electronic detonators in controlling maximum particle vibration and excavation quality of the dam foundation of Yangfanggou Hydropower Station.

关 键 词：数码电子雷管 爆破松弛 预裂孔 导向孔 杨房沟水电站 

分 类 号：TV7[水利工程—水利水电工程] TV52