The main causes of shaft wall fracture contain the reverse friction force and the temperature stress.
分析研究表明导致立井壁破坏的主要原因是井壁负摩擦力和温度应力。
It has some real meaning for stress calculating and fractures zone forecasting on shaft wall in drainage settlement coal field.
该模型的建立将对疏水沉降矿区井壁的受力计算和井壁破裂预测具有现实的意义。
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