In the course of mining, roof stability、acoustic emission lawof wall rock fore and after blasting and the forecasting of roof stability are monitored byacoustic emission system, therefore, this system ensures safety coal extraction of miningfield.
在开采过程中,采用声发射仪监测顶板稳定性状态,监测生产爆破前后采场围岩的声发射规律,及时预报顶板的稳定性情况,为采场安全回采提供了有力的保障。
参考来源 - 金厂峪金矿难采矿体采矿过程中的顶板稳定性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
因此，基桩下溶洞顶板稳定性成为控制桥基安全的关键地质问题。
Because of the influence of cavern and cranny underground, the pile foundation of the bridge could not be constructed normally.
通过实验室相似模拟试验，对综放面收尾撤架空间的顶板稳定性进行了研究。
In the light of analogue test in laboratory, the stability of roof of fully mechanized working face with top coal caving is studied during withdrawing support at stop line.
在影响地下结构顶板稳定性的诸多因素中，爆破震动的影响也是一个相当重要的因素。
In all the factors that affect the roof stability, blasting vibration is a very important one.
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