• 综合分析开采深度煤层倾角煤层开采厚度、工作面等地质采矿条件对底板采动导水破坏深度影响

    This paper analyzed the influence of mining depth, coal seam dip, mining height and face length on depth of floor water-conductive fissure zone.

    youdao

  • 利用快速拉格朗日分析方法,单因素分析了工作面构造应力对煤层底板应力应变影响

    In this paper, by usage of Fast Lagrangian analysis of Continua, analysis the coal seam floor's stress and strain regularity influenced by the facing length and the construct stress.

    youdao

  • 利用快速拉格朗日分析方法,单因素分析了工作面构造应力对煤层底板应力应变影响

    In this paper, by usage of Fast Lagrangian analysis of Continua, analysis the coal seam floor's stress and strain regularity influenced by the facing length and the construct stress.

    youdao

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