滋賀県道大津信楽線の土石崩落事故(1988年)の原因解析と防止策の考察 An Analysis of the Physical Causes of a Rockfall Accident on a Road and a Consideration for the Countermeasures

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A landslide at a site beside the prefectural road connecting Otsu and Shigaraki, Shiga Prefecture, Japan resulted in the death of two persons. According to a post-disaster inspection, the landslide involved a translational sliding of a V-shaped block, toppling and fall. These movements are thought to have been controlled by the joint system in the granite which composed the slope. A dynamical analysis of the destruction of steel pillars which had supported the protective fence reveals the velocity of debris and suggests the mechanism of the slope failure. Discussion covers the predictability of such roadside hazards and the possible countermeasures. Considering a wide variation in the mode of roadside slope failures, importance of studies of the causes for individual cases is emphasized in conclusion.

収録刊行物

  • 自然災害科学

    自然災害科学 11(1), 27-37, 1992

    自然災害科学会

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各種コード

  • NII論文ID(NAID)
    110002941523
  • NII書誌ID(NCID)
    AN10165274
  • 本文言語コード
    JPN
  • 資料種別
    雑誌論文
  • データ提供元
    CJP引用  NII-ELS  NDL-Digital 
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