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ベントナイト混合土の原位置透水試験法に関する研究

西垣誠, 小松満, 大滝育実

地盤工学研究発表会発表講演集 37 2423 - 2424 2002年

ベントナイト混合土の原位置透水係数の簡易確認手法

水野克己, 岡田朋子, 本郷隆夫, 藤原照幸, 西垣誠, 小松満

地盤工学研究発表会発表講演集 37 2421 - 2422 2002年

Study on Measuring System of Subsurface Contamination using Complex Dielectric Method 査読

Komatsu M, M.Nishigaki

Journal of the Faculty of Environmental Science and Technology, Okayama University 6 ( 1 ) 47 - 52 2001年2月

記述言語：英語掲載種別：研究論文（国際会議プロシーディングス）出版者・発行元：岡山大学環境理工学部

For evaluating subsurface contamination, sampling method (boring) is commonly used, but this method cannot monitor the change of in-situ contamination and concentration with respect to time. The purpose of this study is to develop a measuring system for subsurface contamination in which a so-called FDR-V system (Frequency Domain Reflectometry with Vector network analyzer) was employed to measure the salinity contaminant. This FDR-V method is a coaxial probe method,which allows the measurement of the complex dielectric constant from 1GHz to 18GHz. The experimental study indicates the possibility in measuring both the salinity concentration and volumetric moisture content.

CiNii Article

CiNii Books

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その他リンク： http://ousar.lib.okayama-u.ac.jp/11531

Laboratory Experiments on Initiation of Rainfall Induced Slope Failure with Moisture Content Measurements 査読

Tohari T, M.Nishigaki, M, Komatsu

An International Conference on Geotechnical & Geological Engineering (GeoEng2000) Australia 2000年11月

Study on Measuring System of Subsurface Contamination using Frequency Domain Reflectometry with Vector Network Analyzer 査読

Nishigaki M, M.Komatsu

Physical Modeling and Testing in Environmental Geotechnics, J.Garnier, L.Thorel & E.Haza, LCPC 2000年5月

誘電率計測法を用いた地盤塩水汚染度のモニタリング手法査読

西垣誠, 小松満, 熊本創, 二宮功

土と基礎 47 ( 10 ) 17 - 20 1999年10月

Predicting rainfall-induced slope failures from moisture content measurement 査読

M Nishigaki, A Tohari, M Komatsu

SLOPE STABILITY ENGINEERING, VOLS 1 & 2 1 465 - 469 1999年

記述言語：英語掲載種別：研究論文（国際会議プロシーディングス）出版者・発行元：A A BALKEMA PUBLISHERS

This paper presents the results of a series of laboratory slope failure experiments conducted to examine the effectiveness of monitoring moisture content to predict the occurrence of rainfall-induced slope failure. Numerical seepage analyses were also conducted prior to the experiments to identify the hydraulic response of the model slopes to the simulated rainfall. The changes in moisture content and pore-water pressure were monitored during rainfall infiltration and at the initiation of failures. The experiments showed that moisture content of soil slope increased to the saturated value at the time of failure. This indicated the possibility in predicting the critical time of failure initiation by monitoring the change in moisture content. Upon advantages of moisture sensing instruments over pore-pressure measuring instrument, therefore, monitoring of moisture contents during rainfall is more effective and more reliable than that of pore pressures to predict failure occurrences. The results of precise monitoring of moisture contents in the field to predict the rainfall-induced slope failures are encouraging.

Web of Science

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A study on pore water pressure measurement for vadose zones 査読

Nishigaki M, K.Hirooka, M.Komatsu, A.Tohar

International Symposium on subdrainage in Roadway Pabements and subgrades, Granada(SPAIN) 275 - 282 1998年11月

不飽和土の透水・排水に関する試験方法

西垣誠, 小松満, 横田英嗣

地質と調査 1997 ( 2 ) 3 - 8 1997年6月

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