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煤矿区突(涌)水系统分析模拟及应用 【作者】尹尚先 【导师】武强

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-z/^s/AA)`e0煤矿区突(涌)水系统分析模拟及应用

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【作者】尹尚先导师武强
o;a7_I+N-d0【作者基本信息】中国矿业大学(北京),地质资源与地质工程,2002年,博士水利论文7E-Y"`PH

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4Go:tv+k vmj0c0【中文摘要】 以原岩应力应变为基础在突水系统中讨论了突水与突水量。采用多源信息采集及关联信息提取处理技术,总结了突水系统原岩应力应变特征及富水性规律;力学分析和数值模拟说明,水压作用下剪、拉、压复合以剪为主的围岩破坏力学机理;范各庄矿2171工作面特大突水实例和陷落柱数值模拟表明,‘柱体突水管道’突水模式的概化准确,由此导出的突水‘弱带柱体突水通道’理论判据成立。运用广义三重介质的应力场~渗流场耦合模型模拟范各庄矿井地下水系统;模型识别表明,模型充分体现了强径流带、局部非连续、应力~渗流相互作用等煤系裂隙含水系统特征,预测三水平12~14 煤含水层的正常涌水量10 m3/min。水利论文(u$@Zcp0`k(? ^ c

x:r b|Eh%t H^2D0【英文摘要】 Water inrush and rate of water are discussed in the water inrush system. Multiple-fountain information integrate transact technique and other related disposal methods are used to summarize characteristics of original rock stress , displacement and permeability rule in the water inrush system .It is illuminated by mechanics analysis and numerical simulation that rock failure mechanism under hydraulic pressure is shear-tension-pressure complex and giving priority to shear. It is indicated by an example of special big water inrush on Fangezhuang 2171 working face and numerical modeling of caved Karst pillars that water inrush pattern is exactly generalized as ‘Column pipeline of water inrush’, academic criterion of ‘feeble zone column pipeline of water inrush’is correct. Fangezhuang mine groundwater system is simulated accurately by generalized multiple medium coupled model of seepage and stress fields. It is indicated by model identify that groundwater simulation fully represent characte...更多ristics of fractured rock, such as strong runoff zone , partly non-continuity, and reaction one another of stress and seepage. Natural volume rates of mining groundwater on third mining level are 10 m3/min by forecasting of the model.  还原

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$[7wx,^*@rb0【中文关键词】 突水系统; 陷落柱; 弱带柱体突水通道; 广义三重介质; 应力场~渗流场耦合模型水利论文vfNEP#z#Q
【英文关键词】 Water inrush system ; Caved Karst pillars ; Feeble zone column pipeline of water inrush ; Generalized multiple medium ; Coupled model of seepage and stress fields水利论文*aA3kNifI

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TAG: 导师 煤矿 武强 尹尚先 系统分析
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