摘要
采用新奥法对黄陵二矿203软岩巷道进行掘进开挖,结合软岩变形及破坏特性,给出了开挖步骤、光爆和支护参数,并对围岩变形实时监测。结果表明:新奥法能很好地减小围岩变形速度,能改善施工作业空间,提高后续工作的安全性和连续性。
The new Austrian method is adopted to the 203 soft rock tunnel excavation of huangling No.2 coal mine, combined with the soft rock deformation and failure characteristics, give the excavation steps, smooth blasting and support parameters, real-time monitoring the deformation of surrounding rock of roadway excavation. Results shows： new Austrian method can reduce the deformation rate of the surrounding rock ;can improve the working space, the safety and continuity of the follow-up work.
出处
《煤炭技术》
CAS
北大核心
2016年第1期43-45,共3页
Coal Technology
关键词
新奥法
软岩巷道
变形监测
工程应用
NATM
soft rock roadway
deformation monitoring
engineering application
