Effects of in-situ stress on the stability of a roadway excavated through a coal seam

来源 :矿业科学技术学报：英文版 | 被引量 : 0次 | 上传用户：wgsnt1

【摘要】

：

Roadways excavated through a coal seam can exert an adverse effect on roadway stability. To investigate the effects of in-situ stress on roadway stability, nume

【作者】

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Li He Lin Baiquan Hong Yidu Ga

【机构】

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SchoolofSafetyEngineering,StateKeyLaboratoryofCoalResourcesandSafeMining

【出处】

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矿业科学技术学报：英文版

【发表日期】

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2017年6期

【关键词】

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ROADWAY stability Numerical simulation IN-SITU STRESS STRESS concentration Failu

【基金项目】

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Financial supports for this work, provided by the FundamentalResearch Funds for the Central Universities (No. 2014QNA02), theProgram for Changjiang Scholars and Innovative Research Teamin University (

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Roadways excavated through a coal seam can exert an adverse effect on roadway stability. To investigate the effects of in-situ stress on roadway stability, numerical models were built and high horizontal stresses at varying orientations were applied. The

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Effects of in-situ stress on the stability of a roadway excavated through a coal seam

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