• Based on structure features of layer rock mass which has thin layer in roadsides, the concepts of thin layer weakness structure in roadsides and weak structure body has been put forward by this paper.

    根据巷道两帮存在软弱夹层岩体结构特征提出了结构结构概念

    youdao

  • Based on structure features of layer rock mass which has thin layer in roadsides, the concepts of thin layer weakness structure in roadsides and weak structure body has been put forward by this paper.

    根据巷道两帮存在软弱夹层岩体结构特征提出了结构结构概念

    youdao

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