Achievements of Aerial Prediction of Earthquake and Rain Induced Rapid and Long-Travelling Flow Phenomena (APERITIF) Project

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Other Title
  • 地震豪雨時の高速長距離土砂流動現象の解明(APERITIF)プロジェクトの成果

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Abstract

Risk evaluation for earthquake induced rapid and long-travel landslides in densely populated urban areas is currently the most important disaster mitigation task in landslide-threatened areas throughout the world. The major research achievements of the Aerial Prediction of Earthquake and Rain Induced Rapid and Long-Travelling Flow Phenomena (APERITIF) project which was coordinated by Sassa, is introduced in this paper; (1) Detection of landslide prone slope using airborne laser scanner, (2) Full-scale landslide flume test using artificial rainfall instrument, (3) Landslide triggering experiment on natural slope by artificial rainfall, (4) Landslide risk evaluation and hazard zoning in urban development areas. Test site of (4) is the Tama residential area near Tokyo. A set of field and laboratory investigations including laser scanner, geological drilling and ring shear tests showed that there was a risk of sliding surface liquefaction for both sites. A geotechnical computer simulation (Rapid/LS) using the quantitative data obtained in the study allowed urban landslide hazard zoning to be made, at individual street level.

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Details 詳細情報について

  • CRID
    1050001201690642944
  • NII Book ID
    AA11978731
  • ISSN
    0386412X
  • HANDLE
    2433/26570
  • Text Lang
    ja
  • Article Type
    departmental bulletin paper
  • Data Source
    • IRDB

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