A case study on the deformation and failure mechanism of a soft rock mining roadway in the Xin'Shang'Hai No. 1 coal mine, China

Qingwen Zhu,Tingchun Li,Binxu Wang, Changjin Li,Jinlin Ran,Hao Zhang

Engineering Failure Analysis（2023）

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摘要

•The panel, goaf, roadway and coal pillar are reconstructed in a 3D physical model.•The deformation and failure mechanism of soft rock mining roadways are studied.•The roadway failure process under the influence of mining stress is analyzed.•Corrective actions targeting the key area of failure of mining roadways are proposed.

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关键词

Mining engineering,Soft rock mining roadway,Analogy material,Physical model test,Numerical simulation,Intense mining conditions,Failure characteristics,Preventive actions

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