Kinematics Study on Topography of Landslide Instability

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  • 地すべり地の平面形態の運動学的考察
  • ヂスベリチ ノ ヘイメン ケイタイ ノ ウンドウガクテキ コウサツ

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Abstract

The topographic model of Varnes (1958) about the relation between topography and movement is well known. This model, however, cannot explain how asymmetry of a landslide forms; which was often observed. To research this problem, 59 points of landslide disaster areas in the Kinki district were surveyed. Accumulating the data of the topography of landslide instability just after a disaster, i.e. scarp, graben, crack, the typical landforms were picked up to inquire about movements which make these landforms. Consequently it was concluded that the asymmetry of landslide in form is formed by the difference in the deformation type (tension and shear) or by the extent of the rotation of the landslide movement in plain view. Moreover the forms of landslides were classified into I, II, III, IV by these factors.

Journal

  • Landslides

    Landslides 37 (1), 11-17_1, 2000

    The Japan Landslide Society

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