河北工业科技2017，Vol.34Issue(5)：328-333,6.DOI:10.7535/hbgykj.2017yx05004
顶管法施工对地铁隧道的影响分析——以深圳某区间隧道施工为例
Analysis of the impact of pipe jacking construction on subway tunnels: Taking a certain section of metro in Shenzhen as example
摘要
Abstract
In order to study the impact of large diameter pipe jacking construction on the tunnel of metro,taking the 1.8 m large diameter pipe jacking across a certain section of metro Line 1 in Shenzhen as example,the three-dimensional finite element software MIDAS/GTS is used to establish a three-dimensional numerical model,then the earth surface upheaval,the vertical displacement,horizontal convergence deformation of subway tunnel and vertical displacement of pipe jacking tunnels caused by pipe jacking construction are numerically simulated.The results show that due to the soil excavation and unloading,the lower soil rebounds upwards,causing a certain uplift on the ground,the maximum uplift occurs at both ends of the pipe jacking tunnel and central uplift displacement is smaller.The horizontal displacement of metro tunnel is very small,upward displacement in the vertical direction and transverse convergence deformation lead to vertical elliptical deformation of subway tunnel,however,the displacement is in the allowable range of subway protection.The vertical displacement of the pipe jacking tunnel will lead to the excursion at the front of the pipe jacking tunnel.The conclusion could provide reference for similar engineering construction projects.关键词
城市给水排水工程/顶管施工/地铁隧道/位移变形/监测/MIDAS/GTSKey words
city water supply and drainage engineering/pipe jacking construction/subway tunnel/displacement deformation/monitoring/MIDAS/GTS分类
建筑与水利引用本文复制引用
朱永伟,薛晓辉,惠弘毅..顶管法施工对地铁隧道的影响分析——以深圳某区间隧道施工为例[J].河北工业科技,2017,34(5):328-333,6.基金项目
陕西铁路工程职业技术学院科研基金计划(KY2016-12) （KY2016-12）
