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Surface settlement and influence on Xi'an City Wall due to Xi'an Subway Line 2 tunnel construction

  • Junlian Li*
  • , Jianguo Zheng
  • , Yangping Yao
  • *Corresponding author for this work
  • Xi'an University of Architecture and Technology
  • JK Institute of Engineering Investigation and Design

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper refers the case project of the Xi'an Subway Line 2 tunneling through the South Gate area of the Xi'an City Wall, has researched the surface settlement due to tunnel construction, and simulated the whole shield tunnel by using Flac3D numerical analysis. This paper has obtained the law of surface settlement and the influence on the City Wall in the tunnel construction by analyzing the calculation results, and simulated the effects of three protective measures which will be used in the South Gate area. The results showed that the surface settlement ratio after the piles and chemical grouting reinforcement was lower by about 25% than no reinforcement. The monitoring data showed that the result of model calculation was reasonable, and the protective measures in Condition 3 are feasible and effective.

Original languageEnglish
Title of host publicationSustainable Development of Urban Environment and Building Material
Pages2326-2332
Number of pages7
DOIs
StatePublished - 2012
Externally publishedYes
Event4th International Conference on Technology of Architecture and Structure, ICTAS 2011 - Xi'an, China
Duration: 22 Sep 201124 Sep 2011

Publication series

NameAdvanced Materials Research
Volume374-377
ISSN (Print)1022-6680

Conference

Conference4th International Conference on Technology of Architecture and Structure, ICTAS 2011
Country/TerritoryChina
CityXi'an
Period22/09/1124/09/11

Keywords

  • Numerical model
  • Shield tunnel
  • Simulate
  • Subway tunnel construction
  • Surface settlement
  • Xi'an city wall

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