30m深孔预裂爆破在立洲大坝边坡开挖中的应用  

30 m Deep Hole Presplit Blasting in Slope Excavation at Lizhou Dam

作　　者：李万洲[1] 

机构地区：[1]中国水利水电第七工程局有限公司一分局,四川彭山620860

出　　处：《四川水力发电》2011年第1期15-17,148,共3页Sichuan Hydropower

摘　　要：在立洲水电站大坝高边坡开挖过程中,其坝肩边坡马道层与层之间的高差达30 m,通过30 m孔深一次预裂爆破,达到了技术要求,同时提高了施工进度及经济效益。30 m深孔预裂爆破在该工程的成功运用,给同类工程提供了参考和借鉴。During excavation of high slope at Lizhou dam ,difference between berms in dam abutment slope is 30 m. Presplit blasting method can meets technical requirements by performing 30 m deep hole primary presplit blasting practice . Also ,construction progress and economic benefits are gained . The successful application of 30m deep hole presplit blasting in slope excavation at this project will provide references and experiences for the similar projects.

关 键 词：立洲水电站 30m深孔 预裂爆破 施工技术 

分 类 号：TV642[水利工程—水利水电工程] TV542