締固めた凝灰岩の圧密特性について

島根大学農学部研究報告 Volume 26 Page 61-66 published_at 1992-12-21
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Title
締固めた凝灰岩の圧密特性について
Title
Consolidation Properties of Compacted Tuff
Title Transcription
シメカタメタ ギョウカイガン ノ アツミツ トクセイ ニツイテ
Creator
Toriyama Koushi
Source Title
島根大学農学部研究報告
Bulletin of the Faculty of Agriculture, Shimane University
Volume 26
Start Page 61
End Page 66
Journal Identifire
ISSN 0370940X
Descriptions
The increment of pore pressure Δu and axial deformation Δd of compacted tuff at different compaction works was experimented in triaxial cells applied with isotropic compression pressure σc at undrained condition. After this process, Δu and Δd were measured at drained condition. From these experiments, the following results are obtained. (1) The increment of pore pressure Δu are less than 10 to 30% of σc at moisture content from dry side to 1% wet side of optimum moisture content Wopt. (2) Seepage of water through specimem in two days has scarcely effect on Δu, but Δu is increased to 50% Of σc under the condition of seepage in two weeks. (3) Fore pressure of unsoaked specimen which water content is dry side of Wopt dissipates in one minute, but axial deformation is gradually increased and secondary compression is separated apparently from primary compression.
Language
jpn
Resource Type departmental bulletin paper
Publisher
島根大学農学部
Shimane University, Faculty of Agriculture
Date of Issued 1992-12-21
Access Rights open access
Relation
[NCID] AN00108015