Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.
高地应力破碎软岩巷
,
赋存条件的复杂性和影响因素的多变性,使得该
巷的开挖与支护极为困难。
Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult.
高地应力破碎软岩巷,赋存条件的复杂性和影响因素的多变性,使得该巷的开挖与支护极为困难。
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