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Anchoring Mechanism of Anchor and Reseach on Roadway Blot Supporting in Complicated Conditions
Author(s): 
Pages: 1-3
Year: Issue:  5
Journal: Coal

Abstract: 简述了锚杆锚固机理,同时以某矿深部巷道为原型,对深部巷道围岩破坏特征进行了分析,通过数值模拟,对加强支护和注浆技术进行了研究.结果表明注浆对维护巷道围岩稳定,减小围岩破碎区大小起到了重要作用.但单纯的浅层注浆却未能起到遏制围岩进一步变形破坏的作用,应当结合深部注浆,完成内外结构的耦合平衡支护,才能有效提高围岩的内摩擦角和内聚力,提高弱面的强度和刚度,维护巷道的稳定.
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