熱工学コンファレンス講演論文集
Online ISSN : 2424-290X
セッションID: F113
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F113 二相膨潤モデルを用いた凍上過程の解析(OS-02:多孔質体内の伝熱・流動現象とその応用(1))
青木 和夫大関 拓郎増田 健太
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会議録・要旨集 フリー

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Based on biphasic mixture model including swelling effect, frost heaving for swelling soils has been investigated theoretically. For both periods of freezing and no freezing, the calculated results for swelling pressure were compared with the experimental results using bentonite particles. In period of freezing, the increase in swelling pressure is related to the increase in the solid fraction due to separating of particles from freezing front. In period of no freezing, the increase in swelling pressure is related to the equalization of the solid fraction distribution due to the diffusion of swelling particles combined solid and liquid attributes.
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