地下洞室开挖爆破综述

Summarization of underground chambers blasting excavation

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 summarily introduces the achievement and development of underground engineering chambers blasting excavation technology, and describes excavation measures and construction order of underground plant chambers. Also, the paper introduces the application of smooth blasting and pre-split blasting in the excavation of plant chambers, crane beam rock desk, shaft and cross chambers, and describes some technology problems in the process of fast smooth blasting.