Application of a combined support system to the weak floor reinforcement in deep underground coal mine
More and more coal mines begin to exploit deep resource, leading to more serious supporting problems. Common supporting measures for shallow roadways can hardly apply to the deep geological conditions, which are mainly reflected by high ground pressure, more broken and weak surrounding rock. This pa...
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Veröffentlicht in: | International journal of rock mechanics and mining sciences (Oxford, England : 1997) England : 1997), 2014-10, Vol.71, p.143-150 |
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Sprache: | eng |
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