降雨時のまさ土斜面における土中水分の変動と無効雨量
広島大学大学院工学研究科研究報告 Volume 53 Issue 1
Page 33-42
published_at 2004-12
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| File | |
| Title ( jpn ) |
降雨時のまさ土斜面における土中水分の変動と無効雨量
|
| Title ( eng ) |
Moisture Changes and ineffective rainfall on Masado Slopes During Rainfall
|
| Creator |
Ha Thi
Sasaki Yasushi
Kano Seiji
|
| Source Title |
広島大学大学院工学研究科研究報告
Graduate School of Engineering, Hiroshima University
|
| Volume | 53 |
| Issue | 1 |
| Start Page | 33 |
| End Page | 42 |
| Abstract |
To predict slope failures induced by rainfall infiltration and groundwater flow it is very important to know behaviors of rainfall infiltration on actual slopes. Authors introduced in another paper about field monitoring system to measure moisture changes and groundwater level which is being carried out on natural Masado slopes near by a debris flow site which occurred on June 29, 1999. In this paper, behaviors of moisture changes during rainfall under consideration of different ground structure will be discussed. Then, in-situ water retention curve and unsaturated coefficient of permeability of Masado which observed from the monitoring results will be discussed. Then, ineffective rainfall, amount of rainfall which supplied to unsaturated layer before groundwater is generated at bottom layer, will be explained which leads to a very important conclusion about the mechanism of the formation water level in highly permeable materials like Masado.
|
| Keywords |
Masado
rainfall infiltration
slope stability
water content
suction
groundwater level
|
| NDC |
Earth sciences. Geology [ 450 ]
|
| Language |
jpn
|
| Resource Type | departmental bulletin paper |
| Publisher |
広島大学大学院工学研究科
国立情報学研究所
|
| Date of Issued | 2004-12 |
| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 1347-7218
[NCID] AA11700032
|
