Behaviour of adjacent ground and existing tunnel according to locations of pile loading

Suk Min Kong, Dong Wook Oh, Yong Joo Lee

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

Abstract

In densely developed urban areas, the use of underground space to provide necessary transportation and utility infrastructures (e.g., subway tunnels, water pipes, and electrical conduits) has increased. The number of deteriorating ground surface structures in need of reconstruction has concurrently increased. Oftentimes, underground structures continue to be used while the ground surface structures undergo repair. To ensure adequate safety above and below ground, the interactive behaviour between underground structures and the adjacent ground during ground surface reconstruction must be fully understood. In this study, the interactive behaviour between an underground tunnel structure and the adjacent ground was predicted using numerical analysis during reconstruction of a deteriorated ground surface structure. In this analysis, various pile loading locations were considered to determine the minimum pile-tunnel offsets for design. Study findings suggest a minimum vertical and horizontal offset between the pile and tunnel of 2.0 times the tunnel diameter to ensure safety.

Original languageEnglish
Title of host publicationProceedings of the 1st International Conference on Numerical Modelling in Engineering - Volume 1 Numerical Modelling in Civil Engineering, NME 2018
EditorsMagd Abdel Wahab
PublisherSpringer Science and Business Media Deutschland GmbH
Pages44-53
Number of pages10
ISBN (Print)9789811324048
DOIs
StatePublished - 2019
Event1st International Conference on Numerical Modelling in Engineering, NME 2018 - Ghent, Belgium
Duration: 28 Aug 201829 Aug 2018

Publication series

NameProceedings of the 1st International Conference on Numerical Modelling in Engineering - Volume 1 Numerical Modelling in Civil Engineering, NME 2018
Volume20
ISSN (Print)2366-2557
ISSN (Electronic)2366-2565

Conference

Conference1st International Conference on Numerical Modelling in Engineering, NME 2018
Country/TerritoryBelgium
CityGhent
Period28/08/1829/08/18

Keywords

  • Adjacent ground
  • Existing tunnel
  • Locations of pile loading
  • Numerical analysis

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