...管理论文 关键词：钢屋架，屋架稳定，脆性破坏，弯曲刚度，纵向支撑，横向支撑 [gap=314]Keywords: steel roof, roof stability, brittle failure, bending rigidity, longitudinal support, the horizontal suppor..
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roof stability lost 顶板失稳
coal roof stability 煤顶板稳定性
seam-roof stability 煤层顶板稳定性
Immediate roof stability 直接顶稳定性
coal seam-roof stability 煤层顶板稳定性
coal seam roof stability 煤层顶板稳定性
monitoring of roof stability 顶板稳定性监测
tip-to-face roof stability 端面顶板稳定性
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
In all the factors that affect the roof stability, blasting vibration is a very important one.
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。
Based on rock mechanics theory and 3d numerical modeling, a synthetical safety evaluation for the roof stability has been put forward and verified by the case study.
根据岩石力学理论和三维数值模拟计算，结合我国一些金属矿工程实例研究，提出了地下采空区顶板稳定性的综合安全评判方法。
By taking the on-site monitoring and research as a tool, the influence of coal mining, coal pillar size and underwater on the roof stability of coal roadways is analyzed.
阐述了哈拉沟煤矿主采煤层顶板的赋存特征，以现场监测、现场调研为手段，分析了煤层开采、护巷煤柱尺寸及地下水对煤巷顶板稳定性的影响，为今后煤巷顶板稳定性分类及合理支护提供依据。
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