深部开采底板岩体固流耦合分析
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摘要
近年来,我国浅部煤炭逐渐枯竭,煤矿开采逐渐转入深部开采。深部煤层开采受到水威胁较大,因此研究深井岩体流固耦合问题将为解决深部煤层开采水害威胁提供一定理论支持。本文深入分析煤层底板岩体渗流场与应力场的相关影响作用。建立深并承压水上开采数值模拟模型,分析底板随采场推进过程中的破坏规律,同时从采深、水压等参数变化,模拟研究底板破坏的规律,分析底板岩体流固耦合问题。
引文
[1]徐海燕,肖洪天.煤层开采过程中底板岩层渗流稳定性分析[J].地质与勘探,2001,37(5):91-93.
[2]郑少河,朱维申,王书法.承压水上采煤流固耦合问题研究[J].岩石力学与工程学报,2007,19(4):556-558.
[3]Louis C.Grounderwater flow in rock masses and its influence on stability.Rock Mech.Res.Report 10.Imperial College.UK,1969.
[4]Bai M,Elsworth D.Modeling of subsidence and stress-dependent hydraulic conductivity for intact and fractured porous media.Rock.Mech.&Rocks engng.4;235-251,1994.
[5]Snow D T.Rock fracture specings,openings,and porosities.J.Soil Mech.Found.Div.Proc.ASCE94:73-79.
[6]杨栋,赵阳升.裂隙状采场底板流固耦合作用的数值模拟[J].煤炭学报,1998,23(1):37-40.
[2]郑少河,朱维申,王书法.承压水上采煤流固耦合问题研究[J].岩石力学与工程学报,2007,19(4):556-558.
[3]Louis C.Grounderwater flow in rock masses and its influence on stability.Rock Mech.Res.Report 10.Imperial College.UK,1969.
[4]Bai M,Elsworth D.Modeling of subsidence and stress-dependent hydraulic conductivity for intact and fractured porous media.Rock.Mech.&Rocks engng.4;235-251,1994.
[5]Snow D T.Rock fracture specings,openings,and porosities.J.Soil Mech.Found.Div.Proc.ASCE94:73-79.
[6]杨栋,赵阳升.裂隙状采场底板流固耦合作用的数值模拟[J].煤炭学报,1998,23(1):37-40.