Faculty Profiles - KOMATSU Mitsuru

Papers - KOMATSU Mitsuru

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Study on in situ method for measuring coefficient of permeability of the bentonite composite soil

Nishigaki Makoto, Komatsu Mitsuru, Ohtaki Ikumi

Proceedings of the Japan National Conference on Geotechnical Engineering 37 2423 - 2424 2002

The research of simple in situ unsaturated hydraulic conductivity of the bentonite composite soil.

Mizuno K., Okada T., Hongo T., Hugiwara T., Nishigaki M., Komatsu M.

Proceedings of the Japan National Conference on Geotechnical Engineering 37 2421 - 2422 2002

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

Komatsu Mitsuru, Nishigaki Makoto

Journal of the Faculty of Environmental Science and Technology,Okayama University 6 ( 1 ) 47 - 52 2001.2

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

Tohari T, M.Nishigaki, M, Komatsu

An International Conference on Geotechnical & Geological Engineering (GeoEng2000) Australia 2000.11

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

Nishigaki M, M.Komatsu

Physical Modeling and Testing in Environmental Geotechnics, J.Garnier, L.Thorel & E.Haza, LCPC 2000.5

Monitoring Method of Subsurface Salinity Contamination Using Dielectric Constant Measuring System Reviewed

Nishigaki Makoto, Komatsu Mitsuru, Kumamoto Sou, Ninomiya Isao

47 ( 10 ) 17 - 20 1999.10

Predicting rainfall-induced slope failures from moisture content measurement Reviewed

M Nishigaki, A Tohari, M Komatsu

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

Language：English Publishing type：Research paper (international conference proceedings) Publisher：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.

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A study on pore water pressure measurement for vadose zones Reviewed

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

International Symposium on subdrainage in Roadway Pabements and subgrades, Granada(SPAIN) 275 - 282 1998.11

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 1997.6

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