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THE RESEARCH ON THE BROAD ROADWAY SUPPORT WITH HIGH FIELD STRESS AND FRANGIBLE SURROUNDING ROCK
Author(s): 
Pages: 257-262
Year: Issue:  z1
Journal: GUIZHOU SCIENCE

Keyword:  破碎围岩高地压联合支护数值分析;
Abstract: 本文针对马蹄沟煤矿松软破碎煤层的工程地质条件,探讨了联合锚杆支护形式以及不同的断面形状在这些特殊地质条件下的巷道中运用,通过理论分析、数值模拟、现场监测,对大跨度高地压巷道的支护设计方法进行研究,得出了在大跨高地压破碎巷道中可应用鼓形断面和差异锚杆支护等较新颖的支护方式的结论,从而解决了巷道施工和维护的一系列难题,达到降低支护成本的目的.
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