The critical safety thickness of hidden cavity increases with the augment of hidden cavity section size, radial constringency, safety coefficient and surface loading.
暗穴临界安全厚度随着暗穴断面尺寸、暗穴半径收敛值、安全系数、地面荷载等参数的增大而增大。
The qualitative analysis on the relation of safety coefficient and ground loading with critical safety thickness is made.
定性分析了安全系数、地面荷载与临界安全厚度的关系；
The qualitative analysis on the relation of safety coefficient and ground loading with critical safety thickness is made.
定性分析了安全系数、地面荷载与临界安全厚度的关系；
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