Variability of levee failure mechanisms subject to heavy rainfalls, case studies in Taiwan

Wen Chao Huang, Hong Wen Yu

Research output: Contribution to journalArticlepeer-review

Abstract

In this study, the failure mechanisms for Chiuliao 1st Levee and Gueishan Levee in Taiwan were re-examined comprehensively considering the uncertainty of different parameters. Results have shown that for Chiuliao 1st Levee, the slope sliding failure has a higher coefficient of variation (COV). For Gueishan Levee, retaining wall sliding and overturning failure have higher values of COV instead. It can also be found that the scouring depths affect the stability of the levee significantly, therefore, a protecting system for the backfill material may be necessary to increase the stability of the levee effectively.

Original languageEnglish
Pages (from-to)269-279
Number of pages11
JournalGeorisk
Volume10
Issue number4
DOIs
StatePublished - 1 Oct 2016

Keywords

  • extreme rainfall
  • Levee stability
  • reliability analysis
  • scouring depth
  • uncertainty

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