Analysis of tieback walls using proposed P-y curves for coupled soil springs

Sangseom Jeong, Donghee Seo

Research output: Contribution to journalArticle

15 Citations (Scopus)


This paper describes a simplified numerical procedure based on the beam on elasto-plastic foundation modeling for analyzing the response of construction sequence on tieback walls in decomposed granite soils (SP). The analytical method of the soil-wall interaction is developed by taking into account the soil spring (P-y curves) coupling effects based on the Vlasov model. A framework for determining the soil spring constants is proposed from laboratory model tests and numerical analyses. Through comparisons with case studies, it is found that the sequential behavior of tieback walls using coupling between soil springs agrees the general trend observed by small- and full-scale tests, and thus represents a significant improvement in the prediction of load-deflection relations of tieback walls.

Original languageEnglish
Pages (from-to)443-456
Number of pages14
JournalComputers and Geotechnics
Issue number6
Publication statusPublished - 2004 Sep

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Computer Science Applications

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