huge underground opening 大型地下洞室
Huge deformation of wall rock has a strong impact on the stability of roadway in many underground opening engineering.
在许多地下巷道工程中，围岩巨大的变形严重影响巷道稳定性。
The stability probability of blocky surround rocks in a large underground opening is calculated according to the reliability model.
并利用该模型分析了某大型地下空间块状岩体的稳定概率。
By analysing for engineering examples, we find that the calculating model reflect sufficiently the effect of anchor supporting for. underground opening.
对某地下工程实例的分析，证明这种计算模式充分反映了锚杆支护对于围岩稳定的支护效应。
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