On the basis of preceding main results, a mechanic model of overburden-karstic free face with a weak structural plane is presented in this paper.
本文在总结前人成果基础上，提出存在一个软弱结构面的覆盖岩溶临空面的力学模型。
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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