Seismic response analysis of long immersed tunnel to longitudinal non-uniform excitation

Chong Li, Juyun Yuan, Haitao Yu, Quanke Su, Yong Yuan

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

3 Scopus citations

Abstract

A simplified numerical model based on the equivalent mass-spring system is proposed to investigate the seismic response of a long immersed tunnel under longitudinal non-uniform earthquake excitation. The wave passage effects and local site conditions that cause the nonuniform excitation are taken into account. The results indicate that the seismic deformation of the immersion joints is significantly affected by the non-uniform excitation. Compared with the uniform excitation, the deformation range of immersion joints is larger in the non-uniform excitation cases. The results obtained from the numerical model are also influenced by the wave propagation directions. The non-uniform excitation should be considered in the seismic design of long immersed tunnel.

Original languageEnglish
Title of host publication11th World Congress on Computational Mechanics, WCCM 2014, 5th European Conference on Computational Mechanics, ECCM 2014 and 6th European Conference on Computational Fluid Dynamics, ECFD 2014
EditorsEugenio Onate, Xavier Oliver, Antonio Huerta
PublisherInternational Center for Numerical Methods in Engineering
Pages1416-1424
Number of pages9
ISBN (Electronic)9788494284472
StatePublished - 1 Jul 2014
Externally publishedYes
EventJoint 11th World Congress on Computational Mechanics, WCCM 2014, the 5th European Conference on Computational Mechanics, ECCM 2014 and the 6th European Conference on Computational Fluid Dynamics, ECFD 2014 - Barcelona, Spain
Duration: 20 Jul 201425 Jul 2014

Publication series

Name11th World Congress on Computational Mechanics, WCCM 2014, 5th European Conference on Computational Mechanics, ECCM 2014 and 6th European Conference on Computational Fluid Dynamics, ECFD 2014

Conference

ConferenceJoint 11th World Congress on Computational Mechanics, WCCM 2014, the 5th European Conference on Computational Mechanics, ECCM 2014 and the 6th European Conference on Computational Fluid Dynamics, ECFD 2014
Country/TerritorySpain
CityBarcelona
Period20/07/1425/07/14

Keywords

  • Immersed tunnel
  • Non-uniform excitation
  • Seismic response

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