Bridge embankments. I: Seismic risk assessment and ranking

W. A. Zatar, I. E. Harik, K. G. Sutterer, A. Dodds

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The objective of this study is to provide a simple methodology to conduct preliminary seismic assessment and ranking of bridge embankments in order to identify and prioritize embankments that are susceptible to failure. A ranking model that provides a priority list of embankments with the highest seismic risk of failure is generated. A step-by-step methodology is presented in a flowchart to estimate the seismic slope stability capacity/demand ratio, displacement, and liquefaction potential of bridge embankments. Three categories are presented to identify the failure risk of the embankments. The ranking model is useful for a quick sensitivity assessment of the effect of various site conditions, earthquake magnitudes, and site geometry on possible movement of designated embankments. The priority list will enable decision makers to decide on either carrying out further detailed evaluation or consider other appropriate actions for the bridge embankments with the highest seismic failure risk.

Original languageEnglish
Pages (from-to)171-180
Number of pages10
JournalJournal of Performance of Constructed Facilities
Volume22
Issue number3
DOIs
StatePublished - 2008

Keywords

  • Bridges
  • Displacement
  • Embankments
  • Kentucky
  • Liquefaction
  • Seismic effects
  • Slope stability

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Safety, Risk, Reliability and Quality

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