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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11号 >

粘性土の弾塑性・応力ヒズミ関係について-その1:増分関係の定式化-


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タイトル: 粘性土の弾塑性・応力ヒズミ関係について-その1:増分関係の定式化-
その他のタイトル: On an Elasto-plastic Stress-Strain Relationship of the Cohesive Soils (Part.I)
著者: 棚橋, 由彦 / 内藤, 秀信
著者(別表記) : Tanabashi, Yoshihiko / Naito, Hidenobu
発行日: 1978年 7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, (11), pp.97-106; 1978
抄録: One of the authors proposed in the previous paper (1) an incremental stress-strain relationship in terms of the tensor considering the subsequent anisotropy of a Sand, which can evaluate the dilatancy characteristics under multi-axial stress condition with the rotation of the principal stress axis. But it neglected the effect of time-dependancy and the influence of the stress histories on the stress-strain behaviour of soils. In this paper Part. Ⅰ, the authors attempt to apply it to the cohesive soils, which contain more significant practical problems than Sands. However, it cannot be applied to the cohesive soils a pliori, because the deformation of the cohesive soils is time-dependant, and is largely influenced by the stress histories. So, as a first step to the development of the constitutive equation of the cohesive soils, an elasto-plastic incremental stress-strain relationship is derived by considering them as strainhardening materials not only for shear but for compression, by admitting the well-known deformation characteristics reported by many investigators. In next paper Part. Ⅱ, the examination of the postulates used to derive the incremental relationship in sec. 3 will be carried out, from the results of both repeated isotropic consol. tests and repeated mean principal stress const. tests for Ariake Clay. And the verification of the incremental relationship will be done by the comparison of both calculated and observed stress-strain behaviours of Ariake Clay experienced some stress histories.
URI: http://hdl.handle.net/10069/23930
ISSN: 02860902
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher
出現コレクション:第11号

引用URI : http://hdl.handle.net/10069/23930

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