THE RELATIONSHIP BETWEEN SHEARING CHARACTERISTICS AND THE COMPOSITION OF PORE-WATER IN UNSATURATED SOIL

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  • Karube Daizo
    社団法人土木学会 神戸大学工学部建設学科
  • Honda Michinori
    社団法人土木学会 (株) 日建設計土木事務所調査部
  • Kato Shoji
    社団法人土木学会 神戸大学大学院自然科学研究科
  • Tsurugasaki Kazuhiro
    社団法人土木学会 東洋建設 (株) 総合技術研究所鳴尾研究所

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  • 不飽和土のせん断挙動と間隙水の状態の関係について
  • フホウワド ノ センダン キョドウ ト カンゲキスイ ノ ジョウタイ ノ カン

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Abstract

This paper is the final paper of three series papers, in which mechanical behaviours of unsaturated soil are analyzed in connection with the hysteresis in the soil-water characteristic curve. In the preceding papers, a model of pore water composition was proposed and examined by the isotropic compression tests. In this paper, the axial compression process of triaxial tests is analyzed. The constitutive equations are also developed through extending Cam Clay Model to dilatant and unsaturated soil. These equations simulate the test results well, however, frictional angle both at failure and at critical state must be inputted as the data.

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