全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

盾构隧道深层土体沉降槽宽度系数计算方法研究

, PP. 110-115

Keywords: 隧道工程,沉降槽宽度系数,经验公式,深层土体沉降

Full-Text   Cite this paper   Add to My Lib

Abstract:

收集了12组盾构法隧道施工引起的深层土体沉降实测数据,研究深层土体沉降槽宽度系数i(z)随着地层深度z增加产生的变化规律。研究结果表明i(z)随着z的增加而逐渐减小;i(z)/i(z=0)与(1-z/h)(h为隧道轴线埋深)之比在黏性土中基本呈幂函数关系,砂土中基本呈线性关系。对姜忻良计算公式进行了修正,使其具有更广泛的适用性。通过回归分析,提出一个新的i(z)经验计算公式。通过反分析以及与解析解进行比较,给出这两个公式计算参数的取值范围。算例分析表明,这两个公式均能较好的拟合实测值,可考虑不同土质条件,包括黏性土和砂类土,适用范围较广。

References

[1]  [C] //Proceedings of 7th International Conference on Soil Mechanics and Foundation Engineering.Mexico City:
[2]  [s.n.],1969:225-290.
[3]  O'REILLY MP,NEW B M.Settlements above Tunnels in the United Kingdom:Their Magnitude and Prediction
[4]  [C] //Proceedings of Tunnelling' 82 Symposium.London:Institution of Mining and Metallurgy,1982:173-181.
[5]  MAIR R J,TAYLOR R N,BRACEGIRDIE A.Subsurface Settlement Profiles above Tunnels in days
[6]  [J].Geotechnique,1993,43 (2):315-320.
[7]  韩煊,李宁,STANDING J R.地铁隧道施工引起地层位移规律的探讨
[8]  [J].岩土力学,2007,28(3):609-613.HAN Xuan,LI Ning,STANDING J R.Study on Subsurface Ground Movement Caused by Urban Tunneling
[9]  [J].Rock and Soil Mechanics,2007,28 (3):609-613.
[10]  姜忻良,赵志民,李圆.隧道开挖引起土层沉降槽曲线形态的分析与计算
[11]  [J].岩土力学,2004,25(10):1542-1544.JIANG Xinliang,ZHAO Zhimin,LI Yuan.Analysis and Calculation of Surface and Subsurface Settlement Trough Profiles due to Tunneling
[12]  [J].Rock and Soil Mechanics,2004,25 (10):1542-1544.
[13]  孙玉永,周顺华,宫全美.软土地区盾构掘进引起的深层位移场分布规律
[14]  王涛,魏纲,徐日庆.隧道开挖对邻近地下管线的影响预测分析
[15]  [J].岩土力学,2006,27(增刊):483-486.WANG Tao,WEI Gang,XU Riqing.Prediction for Influence of Tunneling on Adjacent Pipelines
[16]  [J].Rock and Soil Mechanics,2006,27 (S):483-486.
[17]  PECK R B.Deep Excavations and Tunneling in Soft Ground
[18]  [J].岩石力学与工程学报,2009,28(3):500-506.SUN Yuyong,ZHOU Shunhua,GONG Quanmei.Distribution of Deep Displacement Field during Shield Tunneling in Soft-soil Areas
[19]  [J].Chinese Journal of Rock Mechanics and Engineering,2009,28 (3):500-506.
[20]  魏纲.盾构法隧道施工引起的土体变形预测
[21]  [J].岩石力学与工程学报,2009,28(2):418-424.WEI Gang.Prediction of Ground Deformation Induced by Shield Tunneling Construction
[22]  [J].Chinese Journal of Rock Mechanics and Engineering,2009,28 (2):418-424.
[23]  MAIR R J,TAYLOR R N.Theme Lecture:Bored Tunneling in the Urban Environment
[24]  [C] //Proceedings of the 14th International Conference on Soil Mechanics and Foundation Engineering,Rotterdam:
[25]  [s.n.],1997:2353-2385.
[26]  魏纲.盾构法隧道统一土体移动模型的建立
[27]  [J].岩土工程学报,21)07,29(4):554-559.WEI Gang.Establishment of Uniform Ground Movement Model for Shield Tunnels
[28]  [J].Chinese Journal of Rock Mechanics and Engineering,2007,29 (4):554-559.
[29]  CORDING E J,HANSMIRE W H.Displacement around Soft Ground Tunnels,General Report:Session IV,Tunnels in Soil
[30]  [C] //Proceedings of the 5th Panamerican Congress on Soil Mechanics and Foundation Engineering,
[31]  [s.L.]:
[32]  [s.N.],1975:571-632.
[33]  赵志民.隧道施工引起土体位移与应力的镜像理论研究以及回归方法的应用
[34]  [D].天津:天津大学,2004.ZHAO Zhimin.Study of Image Theory and Application of Regression Method on Tunneling Induced Soil Displacements and Stresses
[35]  [D].Tianjin:Tianjin University,2004.
[36]  易宏伟.盾构施工对土体扰动与地层移动影响的研究
[37]  [D].上海:同济大学,1999.YI Hongwei.Research on the Disturbance of Soil and Ground Movements Induced by Shield Tunneling
[38]  [D].Shanghai:Tongji University,1999.
[39]  郭玉海.盾构隧道穿越铁路沉降控制研究
[40]  [J].市政技术,2004,22(增刊):247-251.GUO Yuhai.Study on Settlement Control of Shield Tunnel Un-derrun the Railroads
[41]  [J].Municipal Engineering Technology,2004,22 (S):247-251.
[42]  周秀普.无水砂卵石地层盾构隧道施工地层变形分析
[43]  [J].市政技术,2004,22(增刊):384-388,433.ZHOU Xiupu.Study on Stratum Deformation of Shield Tunnel in Non-Water Sandy Cobble Bed
[44]  [J].Municipal Engineering Technology,2004,22 (S):384-388,433.
[45]  DEANE A R,BASSETT R H.The Heathrow Express Trial Tunnel
[46]  [J].Proceedings of the Institution of Civil Engineering:Geotechnical Engineering,1995,113 (7):144-156.
[47]  PALMER J H,BELSHAW D J.Deformations and Pore pressures in the Vicinity of a Precast,Segmented Concrete-lined Tunnel in day
[48]  [J].Canadian Geotechnical Journal,1980,17 (2):174-184.
[49]  ATTEWELL P B,FARMER I W.Ground Deformations Resulting from Shield Tunneling in London Clay
[50]  [J].Canadian Geotechnical Journal,1974 (11):380-395.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133