地铁枢纽后建车站施工对既有地铁的影响分析  

On analysis of influence of metro station construction in underground terminals on existing subways

作　　者：蒋清国[1] 

机构地区：[1]中铁第一勘察设计院集团有限公司

出　　处：《山西建筑》2010年第13期106-107,共2页Shanxi Architecture

摘　　要：以北京某大型地铁换乘枢纽站工程为背景,运用Midas-GTS软件建立三维数值分析模型模拟新线车站基坑开挖及主体结构施作过程,通过计算得到了后建车站施工对既有运营地铁车站结构及轨道变形的影响,分析表明,施工影响的大小与基坑开挖面距既有车站结构的距离及对称性有关。Taking some large-scale subway interchange terminals project in Beijing as the background, the paper adopts Midas-GTS software to establish the three-dimension numerical analysis model to simulate the excavation of the foundation pit of the new line station and the construction process for the main structure, and concludes that the station construction influences the operating subway station and the track disorder, and indicates that its influence degree has something to do with the excavation of the foundation pit, distance of the existing metro structure and its symmetry.

关 键 词：地铁枢纽 后建车站 既有运营地铁 变形 数值分析 

分 类 号：U231.4[交通运输工程—道路与铁道工程]