Analysis of deformation regularity of stratum above overlap tunnel

HUANG Jun; ZHANG Ding-li; XU Gui-zhen

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Analysis of deformation regularity of stratum above overlap tunnel

更新时间：2026-06-25

- Analysis of deformation regularity of stratum above overlap tunnel
- Vol. 28, Issue 12, (2007)
- 作者机构：
  
  1. 北京交通大学隧道及地下工程教育部工程研究中心,北京,100044
  2. 中交公路规划设计院有限公司,北京,100010
  3. 北京市建设工程质量监督总站,北京,101100
- 作者简介：
- 基金信息：
- DOI：
  CLC： U45
- Online First：18 October 2013，
  
  Published：2007
- 稿件说明：
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HUANG Jun, ZHANG Ding-li, XU Gui-zhen. Analysis of deformation regularity of stratum above overlap tunnel[J]. 2007, 28(12).
DOI：

HUANG Jun, ZHANG Ding-li, XU Gui-zhen. Analysis of deformation regularity of stratum above overlap tunnel[J]. 2007, 28(12). DOI：

摘要

通过对深圳地铁Ⅰ期工程浅埋暗挖法施工的重叠隧道现场调研，并结合施工中的试验、监测成果对重叠隧道上覆地层（地表、地中）水平、竖向变形和隧道结构变形进行了综合分析，明确了富水含砂软弱地层地铁隧道拱顶沉降大于地表沉降的事实，得到地层变形的三维变化规律和重叠隧道分步开挖的施工时空效应；并实测得到未降水施工条件下隧道结构周边超静孔隙水压力分布及其随开挖变化规律。研究结果对于同类地层条件下地铁隧道设计、施工有一定的借鉴作用。

Abstract

By the in-suit investigation of some Lot of Shenzhen Metro project PhaseⅠand the test and construction monitor results

comprehensive research have been achieved in stratum and tunnel structure deformation. It is shown that tunnel vault settlement is more than ground settlement in watery

weakly and sandy stratum; then 3D movement trend of stratum deformation and construction space-time effects of each excavation step of overlap tunnel are gained. Finally

excess pore water pressure are measured around tunnel structure; and the distribution and movement regularity with excavation are displayed in no precipitation condition. The results can be used for reference in design and construction of metro tunnels under similar stratum.

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