the global stability criterion of cavern group is established based on the k-?e relation, where k is the strength reduction factor and ?
e关系曲线的库群整体稳定性和破坏的关键判据,其中,k为强度折减系数,?。
then a case study was conducted using the ranking system to evaluate the surrounding rock mass stability of an underground cavern group at a planned hydropower station.
最后,运用该分类体系对某地下洞室群的主厂房进行了分析评价。
an ancient man-made near ground surface rock cavern group was found in longyou county, zhejiang province. the 24 large caverns were excavated 2000 years ago.
浙江省西部龙游县的龙游大型古地下洞室群由24 个洞室组成,该洞室群开挖于2000年前。
the program is then applied to stability analysis of an underground cavern group of a hydropower station.
再运用该新的分析程序对一个水电站洞群工程进行稳定性分析。
the global stabilities and unstable failure evolution laws of the single cavern, double cavern, multi-cavern and jintan oil-gas storage cavern group in salt deposit are studied.
研究单储库、双储库、多储库以及金坛盐矿油气储库群的整体稳定性和失稳破坏演化规律。
the failure and deformation reason of wall rock in high geo-stress nonuniform soft rock cavern group is analysised and the support principle of high geo-stress soft rock is proposed.