Analysis of influence of steel tube pre-reinforced construction on tunnel rock deformation

LI Song-bai; FANG Li-gang; LI Hong-quan

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Analysis of influence of steel tube pre-reinforced construction on tunnel rock deformation

更新时间：2026-06-25

- Analysis of influence of steel tube pre-reinforced construction on tunnel rock deformation
- Vol. 27, Issue 2, (2006)
- 作者机构：
  
  1. 中南大学铁道校区土木建筑学院,长沙,410075
  2. 湖南省交通规划勘察设计院,长沙,410008
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV554
- Online First：25 October 2013，
  
  Published：2006
- 稿件说明：
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LI Song-bai, FANG Li-gang, LI Hong-quan. Analysis of influence of steel tube pre-reinforced construction on tunnel rock deformation[J]. 2006, 27(2).
DOI：

LI Song-bai, FANG Li-gang, LI Hong-quan. Analysis of influence of steel tube pre-reinforced construction on tunnel rock deformation[J]. 2006, 27(2). DOI：

摘要

隧道洞口段埋深浅，围岩松散，自稳能力较差，开挖后洞内及地表均出现多条裂缝。经方案比选，采用钢花管对洞顶及两侧部分的地表和隧道地基与拱脚部位进行注浆加固。在注浆加固施工的过程中，隧洞内也同时开挖，几种工序的施工扰动产生叠加，势必对隧道的稳定及安全产生影响。结合工程实践，对洞内开挖及地表注浆工况并结合隧道监测数据进行分析，得出一些初步结论。

Abstract

In the entrance zone of the tunnel with fleet mantle soil

loose and unstable wall rock

many slits appeared during the excavation. Through comparing several schemes

steel tube-grouting was adopted to reinforce the wall rock and the foundation of the tunnel. While grouting construction began

excavation also carried through inside the tunnel. This will unavoidably affect the stability and safety of the tunnel. Therefore

a practical project is offered and the monitoring data are analysed under the circumstance of several working procedure affected each other. Some preliminary conclusions are drawn.

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