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NAOSITE : Nagasaki University's Academic Output SITE > 060 工学部・工学研究科 > 060 紀要 > 長崎大学工学部研究報告 > 第10号 >

砂の後発異方性について-応力ヒズミテンソルの異方増分関係-


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タイトル: 砂の後発異方性について-応力ヒズミテンソルの異方増分関係-
その他のタイトル: On the Subsequent Anisgtropy of a Sand Incremental Stress-Strain Relationship in the Tensor Field
著者: 棚橋, 由彦
著者(別表記) : Tanabashi, Yoshihiko
発行日: 1978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, (10), pp.47-56; 1978
抄録: There are two kinds of anisotropy in a mass of soil. One is an inherent anisotropy due to sedimentation or orientation of soil particles under the gravitational field without loading. And another is a subsequent anisotropy which becomes to be exhibited according as the dilatancy is initiated with loading. One of the main purposes of this paper is to evaluete the subsequent anisotropy of a sand on the basis of the results obtained from simple laboratory tests under the axisymmetric conditions. And another purpose is to develop an incremental stress-strain relationship in the tensor field, which can estimate the dilatancy characteristics of the granular materials under multi-stress conditions with the rotation of the principal stress axis. After some investigations, the author proposed an incremental stress-strain relationship of Toyoura Sand to make use of the flexibility considering the subsequent anisotropy. And the author carried out the curved stress path tests of Toyoura Sand for the verification of the incremental stress-strain relationship proposed in this paper. As the results of the comparison and the examination of both observed and calculated values of the strain increments along with some stress paths, it was acertained that the incremental stress-strain relationship can estimate respectabley the dilatancy characteristics of Toyoura Sand which is lead to a stress-strain relationship obtained from the experimental studies in the previous paper.
URI: http://hdl.handle.net/10069/23898
ISSN: 02860902
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher
出現コレクション:第10号

引用URI : http://hdl.handle.net/10069/23898

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