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软弱底板动压影响巷道支护技术

Safety in Coal Mines(2014)

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Abstract
淄博矿区某矿3#煤层的回采巷道就是典型软弱底板动压影响巷道,巷道变形以强烈底鼓和帮脚内移为主,针对此类巷道特点,结合现代围岩控制理论对软弱底板动压影响巷道变形破坏原因进行分析,提出能够有效控制围岩变形的支护技术方案;通过现场试验,该方案能够有效控制围岩变形.
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