摘要
通过采用FLAC3D有限差分程序并结合现场实测,对深层软岩硐室导巷法围岩变形规律进行了动态模拟研究。分析了从导硐、一次支护、刷扩至永久支护过程中软围岩的变形规律,为深层软岩中巷道的掘进和支护设计提供了依据。
Dynamic simulation was researched through use of finite difference program FLAC3D,in combination with field measurement for surrounding rock s deformation law in deep soft rock under chamber-pilot-roadway tunneling method.Deformation law are analyzed from the chamber,first support,expanding until permanent support of the soft surrounding rock,the evidence was provided for roadway excavation and support design in the deep soft rock roadway.
出处
《煤炭技术》
CAS
北大核心
2009年第11期98-100,共3页
Coal Technology
基金
国家自然科学基金项目(59974015)
关键词
软岩
硐室导巷
变形规律
soft rock
chamber pilot tunnel
deformation law
