全断面钻爆法在洞室开挖中的应用摘要：全断面钻爆法适用于围岩坚固稳定，采用钻孔爆破方法将洞室开挖断面一次性开挖成型的地下建筑工程洞室开挖掘进方法。文章引用某电站发电引水隧洞的洞室开挖施工程序，取得了较好的技术及经济效益，可供有关工程参考。关键词：全断面钻爆法；隧洞；水利水电工程Abstract: The whole section explosion method which is the one for underground construction digging, suitable for stable and strong dam, form a section for one time by drilling explosion. This paper will introduce the construction technique which was applied to Jinping Baoshi in hydropower engineering Yunnan province, and reap the technologic and econom
