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地质学报  2001 

煤层底板断裂突水时间弱化效应机理的仿真模拟研究―以开滦赵各庄煤矿为例

, PP. 554-561

Keywords: 延迟滞后突水突水时间效应流变试验三维可视化模拟煤层底板

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Abstract:

采用现场地应力实测、室内不同含水量情况下的断裂带物质的单轴、三轴常规和流变力学试验以及弹塑性三维可视化数值仿真模拟(FLAC^3D)等研究,获得了断裂带物质弱化效应力学参数,阐述了其弱化机理和主要控制因素,提出了煤层底板断裂构造突水时间弱化效应的新概念。对赵各庄矿13水平(-1100m)F8断层破碎带穿越的首采区安全回采方案做出了预测和评价。

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