软土隧道岩体参数正交反演分析
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摘要
岩体参数是影响隧道安全性分析的关键因素,参数的确定往往依借助于现场监测数据和数值模拟手段。文章依托隧道多点位移计现场监测数据和有限元数值计算,以误差平方和为目标函数,提出了参数正交反演分析方法,与其它方法相比,该方法具有较高的精度和效率。计算结果表明,以围岩位移为基准的参数正交反演分析方法是可行的,研究结果可供同类地下工程施工和设计参考。
The parameters of rock strata are key factors affecting the analysis of tunnel safety, and the determination of parameters is usually based on in situ data monitoring and numerical simulation. Using site-monitoring data obtained by the multi-point displacement meters, as well as numerical calculations achieved by finite element model using the error sum of squares as its objective function, an orthogonal back analysis was performed. The calculation results show that this orthogonal back analysis is feasible and can be used as a reference for similar projects.
The parameters of rock strata are key factors affecting the analysis of tunnel safety, and the determination of parameters is usually based on in situ data monitoring and numerical simulation. Using site-monitoring data obtained by the multi-point displacement meters, as well as numerical calculations achieved by finite element model using the error sum of squares as its objective function, an orthogonal back analysis was performed. The calculation results show that this orthogonal back analysis is feasible and can be used as a reference for similar projects.
引文
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[10]倪绍虎,肖明.基于围岩松动圈的地下工程参数场位移反分析[J].岩石力学与工程学报,2009,28(7):1439-1446Ni Shaohu,Xiao Ming.Displacement Back Analysis of Parameter Field in Underground Engineering based on Excavation DamagedZone of Surrounding Rock[J].Chinese Journal of Rock Mechanics and Engineering,2009,28(7):1439-1446
[11]许建聪.降雨作用下浅埋隧道支护参数正交反演分析[J].地下空间与工程学报,2008,4(5):897-905Xu Jiancong.Orthogonal Back-Analysis of Surrounding Rock Support Parameters for Shallow Buried Tunnel under Rainfall[J].Chi-nese Journal of Underground Space and Engineering,2008,4(5):897-905
[12]何磊,杨斌,王更峰,等.高地应力软岩隧道施工动态控制与优化研究[J].现代隧道技术,2011,48(2):44-48He Lei,Yang Bin,Wang Gengfeng,et al.Research on Construction Dynamic Control and Optimization of a Tunnel in Soft Rock underHigh In-situ Stresses[J].Modern Tunnelling Technology,2011,48(2):44-48
[13]李云鹏,韩常领,唐明明,杨腾骏,司振民.小间距隧道围岩力学参数正交设计反演[J].公路交通科技,2008,25(9):107-111Li Yunpeng,Han Changling,Tang Mingming,Yang Tengjun,Si Zhenmin.Back Analysis on Mechanical Parameters of SurroundingRock of Tunnel with Small Spacing using Orthogonal Design[J].Journal of Highway and Transportation Research and Development,2008,25(9):107-111
[14]王建宇,胡元芳,刘志强,等.高地应力软弱围岩隧道挤压型变形和可让性支护原理[J].现代隧道技术,2012,49(3):9-17Wang Jianyu,Hu Yuanfang,Liu Zhiqiang,etal.Tunneling in Squeezing Ground with Yielding Supports[J].Modern Tunnelling Tech-nology,2012,49(3):9-17
[2]任建川,陈旭,姜淑香.地下洞室围岩稳定判定分析[J].东北水利水电,2009,27(5):5-6Ren Jianchuan,Chen Xu,Jiang Shuxiang.Stability Analysis about Surrounding Rock of Underground Excavation[J].Water Resources&Hydropower of Northeast China,2009,27(5):5-6
[3]张文新,孙韶峰,刘虹,等.木寨岭隧道高地应力软岩大变形施工技术[J].现代隧道技术,2011,48(2):78-82Zhang Wenxin,Sun Shaofeng,LiuHong,etal.Construction Techniques of Muzhailing Tunnel with High Ground Stresses and Large SoftRock Deformations[J].Modern Tunnelling Technology,2011,48(2):78-82
[4]谢润成,周文,陶莹,王世泽,姚娟,邓辉.有限元分析方法在现今地应力场模拟中的应用[J].石油钻探技术,2008,36(2):60-63Xie Runcheng,Zhou Wen,Tao Ying,Yao Juan,Deng Hui.Application of Finite Element Analysis in the Simulation of the In-situStress Field[J].Petroleum Drilling Techniques,2008,36(2):60-63
[5]朱伯芳著.有限单元法原理与应用[M].北京:中国水利水电出版社,1998Zhu Bofang.The Finite Element Method Theory and Applications[M].Beijing:China WaterPower Press,1998
[6]杨志法,等著.岩土工程反分析原理及应用[M].北京:地震出版社,2002Yang Zhifa,et al.Back Analysis Principle of Geotechnical Engineering and Its Application[M].Beijing:Seismological Press,2002
[7]贾善坡,伍国军.岩土工程非线性优化反演模型在ABAQUS中的应用[J].沈阳建筑大学学报(自然科学版),2010,26(2):225-231Jia Shanpo,Wu Guojun.Nonlinear Optimum Inversion Model of Geotechnical Engineering and Its Application in ABAQUS[J].Journalof Shenyang Jianzhu University(Natural Science),2010,26(2):225-231
[8]朱合华,张晨明,王建秀,丁文其.龙山双连拱隧道动态位移反分析与预测[J].岩石力学与工程学报,2006,25(1):67-73Zhu Hehua,Zhang Chenming,Wang Jianxiu,Ding Wenqi.Dynamic Displacement Back Analysis and Prediction of Longshan Two-Arcade Twin Tunnel[J].Chinese Journal of Rock Mechanics and Engineering,2006,25(1):67-73
[9]张川,刘新宇.位移反演分析在城市公路隧道施工中的应用研究[J].岩石力学与工程学报,2003,22(z1):2280-2283Zhang Chuan,Liu Xinyu.Application of Displacement Back Analysis to Construction of City-Highway Tunnel[J].Chinese Journal ofRock Mechanics and Engineering,2003,22(z1):2280-2283
[10]倪绍虎,肖明.基于围岩松动圈的地下工程参数场位移反分析[J].岩石力学与工程学报,2009,28(7):1439-1446Ni Shaohu,Xiao Ming.Displacement Back Analysis of Parameter Field in Underground Engineering based on Excavation DamagedZone of Surrounding Rock[J].Chinese Journal of Rock Mechanics and Engineering,2009,28(7):1439-1446
[11]许建聪.降雨作用下浅埋隧道支护参数正交反演分析[J].地下空间与工程学报,2008,4(5):897-905Xu Jiancong.Orthogonal Back-Analysis of Surrounding Rock Support Parameters for Shallow Buried Tunnel under Rainfall[J].Chi-nese Journal of Underground Space and Engineering,2008,4(5):897-905
[12]何磊,杨斌,王更峰,等.高地应力软岩隧道施工动态控制与优化研究[J].现代隧道技术,2011,48(2):44-48He Lei,Yang Bin,Wang Gengfeng,et al.Research on Construction Dynamic Control and Optimization of a Tunnel in Soft Rock underHigh In-situ Stresses[J].Modern Tunnelling Technology,2011,48(2):44-48
[13]李云鹏,韩常领,唐明明,杨腾骏,司振民.小间距隧道围岩力学参数正交设计反演[J].公路交通科技,2008,25(9):107-111Li Yunpeng,Han Changling,Tang Mingming,Yang Tengjun,Si Zhenmin.Back Analysis on Mechanical Parameters of SurroundingRock of Tunnel with Small Spacing using Orthogonal Design[J].Journal of Highway and Transportation Research and Development,2008,25(9):107-111
[14]王建宇,胡元芳,刘志强,等.高地应力软弱围岩隧道挤压型变形和可让性支护原理[J].现代隧道技术,2012,49(3):9-17Wang Jianyu,Hu Yuanfang,Liu Zhiqiang,etal.Tunneling in Squeezing Ground with Yielding Supports[J].Modern Tunnelling Tech-nology,2012,49(3):9-17
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