風化花崗岩切土・盛土斜面における細粒分の分布特性に関する検討

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タイトル別名
  • A Study on Characteristics of Fine Particle Distribution at Cut Slope and Fill Slope Comprising Weathered Granite
  • フウカ ハナオカ イワキリド ・ モリツチ シャメン ニ オケル サイリュウ ブン ノ ブンプ トクセイ ニ カンスル ケントウ

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抄録

<p>In this study, fine particle distribution in artificial slopes comprising weathered granite, which may affect rainfall-triggered landslide, was investigated comprehensively, based on electrical resistivity, soil composition and unsaturated soil properties. The results showed that while degree of saturation plays a key factor on electrical resistivity in unsaturated soil, it has close correlation to pore-size distribution. Therefore, it can be considered that electrical prospecting is an effective method to investigate distribution of both coarse particle and fine particle. In addition, it was also pointed out that there is possibility that fine particle fraction involved in soil poorly compacted in artificial slopes may be eroded due to rainfall infiltration.</p>

収録刊行物

  • 材料

    材料 67 (3), 346-353, 2018

    公益社団法人 日本材料学会

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