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基坑开挖对既有地铁隧道变位影响及技术措施分析

黄兆纬, 黄信, 胡雪瀛, 齐麟

黄兆纬, 黄信, 胡雪瀛, 齐麟. 基坑开挖对既有地铁隧道变位影响及技术措施分析[J]. 岩土工程学报, 2014, 36(zk2): 381-385. DOI: 10.11779/CJGE2014S2066
引用本文: 黄兆纬, 黄信, 胡雪瀛, 齐麟. 基坑开挖对既有地铁隧道变位影响及技术措施分析[J]. 岩土工程学报, 2014, 36(zk2): 381-385. DOI: 10.11779/CJGE2014S2066
HUANG Zhao-wei, HUANG Xin, HU Xue-ying, QI Lin. Influence of foundation pit excavation on displacement of existing metro tunnels and technical measures[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 381-385. DOI: 10.11779/CJGE2014S2066
Citation: HUANG Zhao-wei, HUANG Xin, HU Xue-ying, QI Lin. Influence of foundation pit excavation on displacement of existing metro tunnels and technical measures[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 381-385. DOI: 10.11779/CJGE2014S2066

基坑开挖对既有地铁隧道变位影响及技术措施分析  English Version

基金项目: 天津市建设系统科学技术发展计划项目(2013-10)
详细信息
    作者简介:

    黄兆纬(1961- ),男,天津市人,教授级高级工程师,主要从事工程结构设计与抗震研究。E-mail: hzw@tadi.net.cn。

Influence of foundation pit excavation on displacement of existing metro tunnels and technical measures

  • 摘要: 地铁上盖基坑开挖会对既有地铁隧道结构变位产生影响。基于土-结构相互作用模型,建立基坑开挖对既有地铁隧道影响的三维数值分析模型,分析了地铁上盖基坑开挖对地铁隧道变位的影响,并采用土体加固、分块开挖等技术措施对地铁隧道变位进行控制分析。分析表明:地铁上盖基坑开挖会对既有地铁隧道的变位产生影响,土体加固、基坑分块开挖等技术措施能够有效控制地铁隧道的变位,其中土体加固技术的效果最为明显。
    Abstract: Foundation pit excavation above metro will influence the displacement of the existing metro tunnel. Based on soil-structure interaction model, a three-dimensional analysis model for metro tunnels is established, which is used to analyze the influence of foundation pit excavation on the displacement of the existing metro tunnel. The displacement of metro tunnels is controlled using technical measures, which include soil reinforcement and block excavation. The results indicate that the displacement of metro tunnels will be changed because of foundation pit excavation. The displacement of metro tunnels can be controlled using soil reinforcement and block excavation, and soil reinforcement effect is the most obvious.
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出版历程
  • 收稿日期:  2014-07-27
  • 发布日期:  2014-07-27

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