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地铁盾构隧道下穿覆土中雨污管线穿越角度影响分析

发表时间:2016-07-31  浏览量:1231  下载量:450
全部作者: 张剑涛,姚爱军,胡愈,郭海峰,李浩波
作者单位: 北京工业大学城市与工程安全减灾教育部重点实验室
摘 要: 应用三维数值模拟的方法,以北京地铁7号线下穿雨污管线工程为依托,分析地铁盾构隧道下穿覆土中雨污管线穿越角度的影响。研究结果表明:1)不论管节中间位于盾构隧道正上方或者企口位于盾构隧道正上方,管线最大径向应力和最大轴向应力始终出现在盾构隧道轴线与管线交叉点位置;2)盾构隧道以较小角度穿越管线时,应力、转角等变化量较小,对管线影响较小。研究结果对相关工程的设计和施工有一定的借鉴意义。
关 键 词: 地下工程;盾构隧道;雨污管线;数值模拟
Title: Analysis on the impact of rain and sewage pipeline caused by shield tunnel with multi-angle construction
Author: ZHANG Jiantao, YAO Aijun, HU Yu, GUO Haifeng, LI Haobo
Organization: Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology
Abstract: In this paper, the numerical simulation method has been applied, a detailed analysis on the disaster mechanism of large diameter pipelines effect by the shield tunnel with multi-angle construction was carried out, based on the Beijing Metro Line 7 through rain water and sewage pipeline project. The calculation results show that regardless of the pipe section or the pipeline tongue-and-groove located directly above of the shield tunnel, the maximum radial stress and axial stress appears on the intersection of the shield tunnel and pipeline. Crossing the shield tunnel with small angle, the amount of change in stress and corner would be small, and has less impact on the pipeline. The results of this paper had certain reference significance for the design and construction of the relevant engineering.
Key words: underground engineering; shield tunnel; rain and sewage pipes; numerical simulation
发表期数: 2016年7月第14期
引用格式: 张剑涛,姚爱军,胡愈,等. 地铁盾构隧道下穿覆土中雨污管线穿越角度影响分析[J]. 中国科技论文在线精品论文,2016,9(14):1454-1468.
 
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