The mine safe production is disturbed by local collapse of rock mass. All the time, therefore, the prevention and forecast for local collapse of rock mass are imperative.
岩体的局部冒落长期困扰着地下矿山的安全生产，对其进行预防、预报势在必行。
The physical and mechanical interaction of groundwater soil rock mass in karst collapse evolution is discussed elaborately and a coupling mode is established and studied.
分析了岩溶塌陷演化过程中物理力学上的水土岩相互作用，并对作用模式进行了探讨。
Blasting induces damage and fragmentation of covering rock mass in subsea tunnel that serious situation might cause tunnel collapse and water burst.
爆破会对海底隧道覆盖岩体造成损伤和破坏，严重情况会引起隧道塌方和突水等事故。
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