综合介绍了水利水电地下工程洞室群开挖爆破技术取得的成就和发展水平,阐述了地下厂房洞室群的开挖方法和施工程序,以及光面爆破、预裂爆破在厂房洞室、吊车梁岩台、竖井和在交叉洞室开挖中的应用。同时还介绍了隧洞开挖快速光爆应注重的几个技术问题。 This paper introduces the achievements and development level of excavation and blasting technology of underground caverns in water conservancy and hydropower projects, expounds the excavation methods and construction procedures of underground caverns, as well as the methods of smooth blasting and presplitting blasting in the tunnels of buildings, Liangyan station, shaft and its application in excavation of cross caverns. At the same time, several technical problems that should be paid attention to in the rapid light explosion of tunnel excavation are also introduced.