Grading of risk for hazardous debris-flow zones

Ban Jwu Shih, Cheng Lun Shieh, Li Jen Chen

Research output: Contribution to conferencePaper

10 Citations (Scopus)

Abstract

This paper first discussed the identification and zoning methods for debris-flow hazardous ravines briefly, then presented a simple and useful method to delimit the hazard zones of various risk degrees. The presented method is derived from theoretical calculation and experimental results. The hazardous zone is graded into two sub-zones according to its deposit thickness. 'Red Zone' indicates that the deposit thickness is expected higher than 1.5m (approximately half the height of a one-story house) for a recurrence period of 50 years and 'Yellow Zone' covers the area between Red Zone and the boundary of debris deposit.

Original languageEnglish
Pages219-228
Number of pages10
Publication statusPublished - 1997 Jan 1
EventProceedings of the 1997 1st International Conference on Debris-Flow Hazards Mitigation: Mechanics, Prediction, and Assessment - San Francisco, CA, USA
Duration: 1997 Aug 71997 Aug 9

Other

OtherProceedings of the 1997 1st International Conference on Debris-Flow Hazards Mitigation: Mechanics, Prediction, and Assessment
CitySan Francisco, CA, USA
Period97-08-0797-08-09

All Science Journal Classification (ASJC) codes

  • Water Science and Technology
  • Geotechnical Engineering and Engineering Geology
  • Earth-Surface Processes

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  • Cite this

    Shih, B. J., Shieh, C. L., & Chen, L. J. (1997). Grading of risk for hazardous debris-flow zones. 219-228. Paper presented at Proceedings of the 1997 1st International Conference on Debris-Flow Hazards Mitigation: Mechanics, Prediction, and Assessment, San Francisco, CA, USA, .