For high rock slopes, especially with the long and huge joints developed, the failure of rock mass is always caused by the cutting of discontinuities and free face.
在岩质高边坡，特别是长大节理发育的岩质边坡中，岩体的失稳破坏常常表现为由几组结构面和临空面切割的岩块失稳。
参考来源 - 岩质高边坡关键块体的确定及稳定性评价研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Something else she's feeling: the line-free face of one of her Hollywood peers.
她感受到的其他东西：她的好莱坞一线同行没有皱纹的脸。
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。
The paper analysed the process of smashing rock near a explosion source by shock wave and stress wave and the reflecting action of stress wave on the free face.
分析了集中药室爆破时，爆破冲击波和应力波对药室附近岩体的破碎过程及应力波在自由面的反射作用。
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