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1987 Fiscal Year Final Research Report Summary

Motion of landslides and debris flows -Prediction of hazard area-

Research Project

Project/Area Number 61480062
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 林学
Research InstitutionKyoto University

Principal Investigator

SASSA Kyoji  Assoc. Prof. of Disaster Prevention Research Institute Kyoto University, 防災研究所, 助教授 (30086061)

Co-Investigator(Kenkyū-buntansha) SUEMINE Akira  Research Associate, Disaster Prevention Research Institute, Kyoto University, 防災研究所, 助手 (00109092)
HIURA Hiromasa  Research Associate, Dept of Forestry, Kyoto Prefectural University, 農学部, 助手 (30046495)
Project Period (FY) 1986 – 1987
KeywordsHazard Mapping / Simulation / Landslides / 土石流
Research Abstract

This research is to predict a hazard area caused by landslides (and friction - dominating - debris flows). A new method has been developed to simulate the motion of landslides and debris flows by combination of soil mechanics and flow dynamics. This new simulation model uses two geotechnical parameters, one is the apparent friction on the sliding surface, it expresses "how far does the londslide move ?",and another is the lateral pressure ratio inside the moving mass,it expresses "how widely does the landslide spread ?". The application of this method to a model sloke and also to the Ontake debris avalanche could give reasonable results,and showed that this method can be a basis for a reliable hazard mapping on londslides

  • Research Products

    (10 results)

All Other

All Publications (10 results)

  • [Publications] 佐々恭二: 京都大学防災研究所年報. 30-1. 341-357 (1987)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] SASSA Kyoji: Proc. 8th Asia Regional Conference of th Internatinal Society on Soil Hechanecs and Foundation En gineering. Vol. 1. 487-490 (1987)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] SASSA Kyoji: Pric. 5th Internatial Conference and Field workshop on Londslides. Vol. 1. 215-223 (1987)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] SASSA Kyoji: Proc. China-Japan Field Workshop on Lnadslides. Vol. 1. 97-102 (1987)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] SASSA Kyoji: Proc. 5th International Symposium on landslides. (1988)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] SASSA Kyoji: "Prediction of landslide movement-The improved sled model and the simulation model-" Annuals of Disaster Prevention Research Institute,Kyoto University. 30 B-1. 341-357 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] SASSA Kyoji: "The mechanism of high mobility in the Ontake debris avalanche." Proc.8th Asia Regional Conference of the International Society on Soil Mechanics and Foundation Engineering. 1. 487-490 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] SASSA Kyoji: "The Jizukiyama londslide and the interpretation of its long scraping motion" Proc.5th International Conference and Field Workshop on Landslides. 1. 215-223 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] SASSA Kyoji: "Areal Prediction of the motion of landslides" Proc. China-Japan Field Workshop on Landslides. 1. 97-102 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] SASSA Kyoji: "Geotechnical model for the motion of landslides" Proc.5th International symposium on landslides. (1988)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1989-03-30  

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