分析了沿空留巷围岩移动的力学根源和巷道煤帮内支承应力变化的规律。
An effort has been also made to diagnose the dynamic causes of displacement of the surrounding rocks and the occurrence of changes of bearing stress in roadway coal pillars.
分析了沿空留巷围岩移动的力学根源和巷道煤帮内支承应力变化的规律。
An effort has been also made to diagnose the dynamic causes of displacement of the surrounding rocks and the occurrence of changes of bearing stre...
放顶煤工作面与非放顶煤工作面的区别是，采空区充填系数小，顶板岩层运动剧烈，走向方向超前支承应力峰值较大。
The differences between the coal drawing face and non-coal drawing face are low stowing factor in the goaf, vigorous movement of roof, and high stress peak abutment pressure along the strike.
放顶煤工作面与非放顶煤工作面的区别是，采空区充填系数小，顶板岩层运动剧烈，走向方向超前支承应力峰值较大。
The differences between the coal drawing face and non-coal drawing face are low stowing factor in the goaf, vigorous movement of roof, and high stress peak abutment pressure along the strike.
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