城市区间隧道穿越河流及桥基的位移分析
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摘要
地表沉降是地铁施工过程中最大的环境问题,当地层变形超过一定范围时,会严重危及邻近建筑物基础、邻近建筑物和地下管网的安全,引起一系列岩土环境问题。本文针对隧道穿越河流及桥基,对隧道自身的稳定性进行分析,并对穿越所造成的桥梁基础变形和位移的影响进行分析。
Ground settlement is a significant environmental problem in metro construction.When the deformation exceeds a prescriptive range,a series of geotechnical environmental problems will come up with and the safety of buildings and underground pipelines adjacent to the tunnels is influenced by this phenomenon.In this paper,the stability of tunnels and the influence of crossing tunnel on bridge foundation deformation and displacements were analyzed.
Ground settlement is a significant environmental problem in metro construction.When the deformation exceeds a prescriptive range,a series of geotechnical environmental problems will come up with and the safety of buildings and underground pipelines adjacent to the tunnels is influenced by this phenomenon.In this paper,the stability of tunnels and the influence of crossing tunnel on bridge foundation deformation and displacements were analyzed.
引文
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[2]冯卫星,侯学渊,夏明耀.隧道施工引起的地面沉陷的几何非线性分析[J].岩石力学与工程学报,1995,14(1):1-10.FENG Wei-xing,HOU Xue-yue,XIA Ming-yao.Geo-metric nonlinearity analysis of ground surface settlementcaused by tunneling[J].Chinese Journal of Rock Mech-anism and Engineering,1995,14(1):1-10.
[3]杨小礼,张丙强,王志斌.浅埋大跨度连拱隧道地震反应分析[J].中南大学学报:自然科学版,2006,37(5):991-996.YANG Xiao-li,ZHANG Bing-qiang,WANG Zhi-bin.Earthquake response of large span and double-arch shal-low tunnel[J].Journal of Central South University:Sci-ence and Technology,2006,37(5):991-996.
[4]杨小礼,王金明,眭志荣.基于Hoek-Brown屈服准则的隧道围岩稳定性分析[J].铁道科学与工程学报,2008,3(5):37-40.YANG Xiao-li,WANG Jin-ming,SUI Zhi-rong.Stabilityanalysis of tunnel surrounding rock based on Hoek-Brown yield criterion[J].Journal of Railway Scienceand Engineering,2008,3(5):37-40.
[5]杨小礼,眭志荣.应力剪胀对浅埋隧道稳定性系数的影响[J].中南大学学报:自然科学版,2008,39(1):190-195.YANG Xiao-li,SUI Zhi-rong.Influences of stress dilat-ancy on stability factors of shallowtunnels[J].Journal ofCentral South University:Science and Technology,2008,39(1):190-195.
[6]杨小礼,眭志荣.浅埋小净距偏压隧道施工工序的数值分析[J].中南大学学报:自然科学版,2007,38(4):764-770.YANG Xiao-li,SUI Zhi-rong.Numerical simulation ofconstruction sequence for shallow embedded bias tunnelswith small clear distance[J].Journal of Central South U-niversity:Science and Technology,2007,38(4):764-770.
[7]杨小礼,郭乃正,李亮.非线性破坏准则与岩土材料地基承载力研究[J].岩土力学,2005,26(8):1177-1183.YANG Xiao-li,GUO Nai-zheng,LI Liang.Bearing ca-pacity of a strip footing with nonlinear failure criterion[J].Rock and Soil Mechanics,2005,26(8):1177-1183.
[8]杨小礼,李亮,刘宝琛.非线性破坏准则对挡墙被动土压力的影响[J].工程力学,2004,21(1):31-36.YANG Xiao-li,LI Liang,LIU Bao-chen.Influences of anonlinear failure criterion on passive earth pressure[J].Engineering Mechanics,2004,21(1):31-36.
[9]杨小礼,李亮,刘宝琛.非线性破坏准则对竖直边坡稳定性的影响[J].岩石力学与工程学报,2004,23(4):592-596.YANG Xiao-li,LI Liang,LIU Bao-chen.Influences ofnonlinear failure criterion on stability analysis of verticalcut using nonlinear sqp algorithm[J].Chinese Journal ofRock Mechanism and Engineering,2004,23(4):592-596.
[10]杨小礼,李亮,刘宝琛.偏压隧道结构稳定性评价的信息优化分析[J].岩石力学与工程学报,2002,21(4):484-488.YANG Xiao-li,LI Liang,LIU Bao-chen.Evaluation onstructure stability of unsymmetrically loaded tunnels u-sing the theory of information optimization analysis[J].Chinese Journal of Rock Mechanism and Engineering,2002,21(4):484-488.
[11]吴波.复杂条件下城市地铁隧道施工地表沉降研究[D].成都:西南交通大学,2003.WUBo.Study of land subsidence induced by urban sub-way tunnelling on complicated conditions[D].Cheng-du:Southwest Jiaotong University,2003.
[12]钱七虎.迎接我国城市地下空间开发高潮[J].岩土工程学报,1998(1):112-113.QIAN Qi-hu.To meet the climax of urban undergroundspace’s development[J].Chinese Journal of Geotechni-cal Engineering,1998(1):112-113.
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