Seismic displacements of soil retaining walls situated on slope

Ching-Chuan Huang

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

In this study, a new method for calculating seismic displacements of soil retaining walls is proposed. This pseudostatic-based method is based on the failure mechanisms proposed and verified by the writer. Displacement analyses using the proposed method are performed for two soil retaining walls situated on slope. Both walls were severely damaged during the 1999 Chi-Chi earthquake in Taiwan. Analytical results indicate that the severe damage to the walls was induced by relatively loose soils in the base and the passive zone at the toes of the walls. Suggestions for the design and construction of soil retaining walls situated on a slope include: (1) the assumption that no vertical ground acceleration induces relatively small error in the calculated displacements of the wall; (2) the internal friction angle of the foundation soil, φf, has a strong influence on the vertical displacement of the wall; and (3) passive resistance in front of the wall, which is frequently overlooked in design and construction practices, has a measurable effect on reducing the horizontal displacement of the wall under seismic loading. Journal of Geotechnical and Geoenvironmental Engineering

Original languageEnglish
Pages (from-to)1108-1117
Number of pages10
JournalJournal of Geotechnical and Geoenvironmental Engineering
Volume131
Issue number9
DOIs
Publication statusPublished - 2005 Sep

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Environmental Science(all)

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