The stability of the surrounding rock mass depends upon its strength and deformation properties as well as the situation of stress convergence in it, and the key is the integrality of the rock mass.
洞库围岩稳定性一方面取决于洞库周边围岩应力集中的情况，另一方面取决于岩体强度和变形特征，其核心问题在于岩体完整性。
Based on this, the stability of the surrounding rock mass and the rock wall crane girder is evaluated.
在此基础上，对洞室围岩及岩壁吊车梁的稳定性进行了评价。
Study on the characters of rock mass condition and the stability of surrounding rock has great practical significance to optimize design parameter and to advance construction quality.
走马岭隧道岩体结构特征和围岩稳定性研究，为优化设计参数，提高施工质量提供理论指导，对保证施工安全以及优化设计具有重要工程实践意义。
Comparison was made between the simulated and monitored displacements and an analysis was also made on the stability of the rock mass surrounding stopes in the block.
最后将模拟计算结果与监测结果进行了比较，对矿房围岩的变形稳定性进行了分析。
The pressure-arch effect on the stability of jointed rock mass surrounding a shallow tunnel proves to be important.
分析结果还表明，“压力拱”效应在浅埋隧洞节理裂隙围岩稳定性中起着重要作用。
The paper is concerned mainly with the variation of the rock behaviour with time and the evaluation of the stability of the surrounding rock mass.
本文着重探讨了岩体性态随时间的变化，并评价围岩的稳定性。
The surrounding rock between tunnel and karst cave possibly brings large deformation and rock mass failure because of stress concentration, and its stability is focused seriously.
隧道与溶洞之间的围岩由于应力集中可能使围岩产生过大的变形和岩体破坏，对其稳定性要给予特别重视。
For rock mass under mining, the support of surrounding rock mass in initial stage is critical to the stability of surrounding rock mass.
对于采动岩体而言，初始阶段的支护是保持中厚软岩板稳定的关键。
The surrounding rock of roadway is a compound structure consisted of roof, floor and sides. The sides of extraction opening are the weak coal mass, which affect the stability of floor directly.
巷道围岩是由顶板、底板、两帮组成的复合结构体，回采巷道两帮为软弱煤体，直接影响到底板的稳定性。
The results show that all monitored aftershocks occur in a few minutes after blasts, which means rock mass surrounding the mining area has a good stability condition at present.
采用该套系统对深部采区的大爆破余震进行监测发现，余震事件大多发生在数分钟之内，这表明目前采区围岩的稳定性较好。
The results show that all monitored aftershocks occur in a few minutes after blasts, which means rock mass surrounding the mining area has a good stability condition at present.
采用该套系统对深部采区的大爆破余震进行监测发现，余震事件大多发生在数分钟之内，这表明目前采区围岩的稳定性较好。
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