煤柱稳定性 stability of coal pillar
The factors affecting coal pillar stability are discussed, and the technical way reducing coal pillar size and enhancing recovery ratio is put forward by means of rock bolting.
本文探讨了影响煤柱稳定性的因素，提出了采用锚杆支护加固煤柱减小煤柱尺寸提高房柱式采煤回采率的技术途径。
参考来源 - 房柱式开采煤柱设计及锚固法煤柱加固技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
煤柱稳定既取决于外加载荷，又取决于其内在性态的变化。
The stability of coal pillars depends upon additional load as well as change of its internal characteristics.
通过正交设计，利用FLAC软件模拟，给出煤柱稳定性最优的方案。
By using the orthogonal design method, simulating with program FLAC, the optimized layout of coal pillar is given.
采用岩石破裂过程分析软件RFPA2D系统，对短壁机械化开采的煤柱稳定性进行数值计算与分析。
The stability of coal pillar of the short-wall mining was analyzed systemically by numerical simulation with the rock failure process analysis software (RFPA2D).
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