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Deformation and Strength of Anisotropic Sand Under Three Dimensional Stress Conditions

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タイトル: Deformation and Strength of Anisotropic Sand Under Three Dimensional Stress Conditions
著者: Ochiai, Hidetoshi / Tanabashi, Yoshihiko / Ishibashi, Hiroyuki
発行日: 1983年 1月
出版者: 長崎大学工学部 / Faculty of Engineering, Nagasaki University
引用: 長崎大学工学部研究報告, 13(20), pp.47-58; 1983
抄録: The three-dimensional, drained stress-strain and strength behavior of a sand prepared in cubical specimens with cross-anisotropic fabric was studied using triaxial compression, plane strain, and cubical triaxial tests with independent control of the three principal stresses. All specimens were loaded under conditions of principal stress directions fixed and aligned with the directions of the material axes. For comparable test conditions, the major principal strain was smallest and the rate of dilation was highest when the major principal stress acted perpendicular to the long axes of the sand grains. The opposite extremes were obtained when the major principal stress acted parallel to the long grain axes. The effects of initial cross-anisotropic fabric were mainly observed in the prefailure stress-strain behavior, whereas sufficient changes in the fabric had occurred at large strains to produce failure conditions which resembled those observed for isotropic sands. The three-dimensional failure surface could for practical purposes be modeled by an isotropic failure criterion.
URI: http://hdl.handle.net/10069/24093
ISSN: 02860902
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher
出現コレクション:第13巻 第20号

引用URI : http://hdl.handle.net/10069/24093



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