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  5. Stability analyses of bleeder pillars in longwall mines by displacement-discontinuity method

Stability analyses of bleeder pillars in longwall mines by displacement-discontinuity method

来源 :International Journal of Mining Science and Technology | 被引量 : 0次 | 上传用户：cat521kiss
【摘 要】
：
Caving in coal mines releases significant amounts of dust and gas. This is exhausted from the mine by forcing the air to travel through the caved zones into a s
【作 者】
：
Mishra Brijes Tang Xu 
【机 构】
：
DepartmentofMiningEngineering,DepartmentofMiningandMineralsEngineering.VirginiaPolytechnicInstitutea
【出 处】
：
International Journal of Mining Science and Technology
【发表日期】
：
2015年6期
【关键词】
：
稳定性分析 位移不连续法 矿山 放气 矿柱 采场 开采过程 垂直应力 Bleeder pillarsDisplacement-discontinuity ana 
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论文部分内容阅读
Caving in coal mines releases significant amounts of dust and gas. This is exhausted from the mine by forcing the air to travel through the caved zones into a set of roadways known as bleeders. These bleeder entries are operated for the life of the mine,
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