For a long time the stability analysis of the coal pillar concentrates on the viewpoint of static.
条带开采煤柱稳定性分析也是关键问题之一。
参考来源 - 厚黄土覆盖层村镇下条带开采研究·2,447,543篇论文数据,部分数据来源于NoteExpress
This paper analyzed and calculated width of coal pillar for driving roadway along gob.
对沿空掘巷时煤柱的留设问题进行了分析和计算。
If the mined zone go into the security coal pillar, the house crack could be thought caused by mining.
房屋裂缝是否由煤矿采煤引起,主要是看采空区是否进入村庄保安煤柱。
This paper introduced methods to select tunnel position and maintain measures for the tunnel in small coal pillar.
文章介绍了在煤柱中确定巷道位置的方法及巷道的维修措施。
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