It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinwen coal mine area.
对新汶矿区深部煤巷支护形式的和支护参数的选择具有一定的指导意义。
It is pointed out that the support resistance has an important effect in the control for soft rock in deep mine and has a sensitive area of action.
提出了支护阻力对控制软岩巷道具有重要作用及敏感作用范围的观点。
It is pointed out that the support resistance has an important effect in the control for soft rock in deep mine and has a sensitive area of action.
提出了支护阻力对控制软岩巷道具有重要作用及敏感作用范围的观点。
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