締固めた凝灰岩の特異な透水性について

島根大学農学部研究報告 Volume 26 Page 55-60 published_at 1992-12-21
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Title
締固めた凝灰岩の特異な透水性について
Title
On The Unique Properties of Permeability of Compacted Tuff
Title Transcription
シメカタメタ ギョウカイガン ノ トクイ ナ トウスイセイ 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 55
End Page 60
Journal Identifire
ISSN 0370940X
Descriptions
The permeability tests were performed on compacted tuff using triaxial cells and the unique properties of permeability were confirmed in succession with last year.
The coefficient of permeability k was decreased usually with increment of consolidation pressure esc σ3c'. But k of some specimen was increased with increment of σ3c' and k of some specimen was decreased with application of buck pressure ub. Moreover, percolated water of some specimen became muddy. Piping test was performed using perforated plate at flowout side. From this test, the risk of piping is not observed in case that hydraulic gradient is equeal or smaller than 10.
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