动静载叠加影响下巷道围岩损伤演化规律研究

Coal Technology(2018)

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Abstract
以某矿N2105工作面回风平巷掘进期间发生的一起冲击地压事故为工程背景,基于莫尔-库伦强度准则推导出并建立了煤岩体损伤危险评价指标.基于Fish语言将损伤危险评价指标编写嵌入FLAC2D软件中,并对N2105回风平巷在静载和动静载叠加作用下的围岩损伤情况进行了对比分析.
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