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- Application of Grouting Cable Anchor in Small Coal Pillar Roadways 注浆锚索在小煤柱巷道群加固工程中的应用
- Medium and small coal mines in north of Shaanxi Province generally adopt longwall remaining coal pillars support mining. 摘要长壁留煤柱支撑法开采是陕北中小煤矿普遍采用的一种采煤方法。
- Research on Stability of Gob-Side Entry with Small Coal Pillar on Insular Face 孤岛面小煤柱沿空巷道稳定性研究
- Keywords narrow and small coal pillar;support way;transport crossheading; 关键词窄小煤柱;支护方式;运输顺槽;
- Application of Bolt Supporting of Gob - side small Coal Pillar Entry in Sublevel Caving Workface 沿空小煤柱巷道锚杆支护在综放工作面的应用
- Brief Discussion on Application of Support Technique by Bolting and Grouting in Roadway with Small Coal Pillar Mining 浅析锚注支护技术在小煤柱开采巷道支护中的应用
- Determining rational width of small coal pillar protecting roadways driving along next gob supported by bolting 锚杆支护沿空掘巷合理位置的确定
- Application about Combrehansive Reinforce Technology of Bolt Grouting in Roadway Groups of Small Coal Pillar and Large over-the-roadway 锚注综合加固技术在小煤柱大跨度巷道群的应用
- Determination of small coal pillar width in roadways driving along next goaf supported by bolting and mesh of fully-mechanized top-coal caving face 综放锚网沿空巷道合理小煤柱尺寸的确定
- roadway in small coal pillar 小煤柱巷道
- A small coal fire burned in the grate. 炉子里生着小小的煤火。
- narrow and small coal pillar 窄小煤柱
- small coal pillar 小煤柱
- The Mining Deformation of Roadways and Failure Evolvement of Small Coal Pillar under Different Widths of Chain Pillars 大小护巷煤柱巷道采动变形与小煤柱破坏演化规律
- Secondly, simulation elicits wall rock transmogrification under the different coal pillar and different stress. 其次模拟研究分析了留设煤柱宽度不同时以及地应力大小不一时沿空巷道围岩变形情况，得到了一些认识；
- The coal pillar has mode-soft behaviour, so it is possible to estimate the destabilization. 煤柱失稳还具有模态软化特性，可以对失稳的可能性进行佑计。
- These are mine workers of a small coal mine in north-east of Yunnan. 云南滇东北部的小煤窑的矿工们。
- The roof rock was assumed in the elastic state,established the mechanical model of coal pillar and roof system. 假设顶板岩层处于弹性工作状态情况下,建立了煤柱-顶板系统的力学模型。
- Analysis and Governing of the Gas in the Working Face of the Fully- Mechanized Sub- Level Caving in the Small Coal Pillars 小煤柱综放工作面瓦斯涌出分析及治理
- At the critical point of destabilization, the destabilization of the coal pillar is divergent, which means the small changes of the control variables will cause the destabilization of the coal pillar. 在失稳临界点附近煤柱失稳具有发散性，即控制变量有微小的变化就会引起煤柱失稳；
