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NAOSITE : Nagasaki University's Academic Output SITE > Faculty of Engineering > Bulletin > Reports of the Faculty of Engineering, Nagasaki University > Volume 27, No. 49 >

火山成粗粒土の水浸に伴う圧縮及びせん断特性の変化について


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Title: 火山成粗粒土の水浸に伴う圧縮及びせん断特性の変化について
Other Titles: Changes in Compressive and Shear Strength Properties due to Submergence of Volcanic Coase-Grained Soil
Authors: 後藤, 恵之輔 / 山中, 稔 / 小川, 鉄平
Authors (alternative): Gotoh, Keinosuke / Yamanaka, Minoru / Ogawa, Teppei / Abdelhadi, Monther
Issue Date: Jul-1997
Citation: 長崎大学工学部研究報告 Vol.27(49) p. 289-295, 1997
Abstract: In order to utilize the volcanic coase-grained soil, the compressive and shear properties tests which will be effected by submergence were carried out from soil machanics view point. In the compression tests, the compression strains and the pF-value were measured before and after submergence on condition that the density of the speicmen and the loading stress were varied. In the direct shear test, the strength and strain were measured before and after submergence similarly. As a result, for the compressive properties the followings were obtained ; 1) On condition of the compaction density, the effect of submergence for the compressive chracteristic is very little, 2) On condition of the in-site density, the compressive strain after submergence becomes bigger with the increase of the loading stress. For the shear properties the followings were also obtained ; 1) Shear strength of the specimens at compaction density is higher than of it in case of in-situ density. 2) Comparing the bearing capacity at in-situ density condition with it at the compaction density condition, if is clear that compaction is very important in order to subsidize the reduction of bearing capacity due to submergence.
URI: http://hdl.handle.net/10069/15031
ISSN: 02860902
Type: Departmental Bulletin Paper
Appears in Collections:Volume 27, No. 49

Citable URI : http://hdl.handle.net/10069/15031

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