降雨時の山腹斜面内地下水位の簡易算定法の検討
広島大学大学院工学研究科研究報告 Volume 53 Issue 1
Page 43-51
published_at 2004-12
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| File | |
| Title ( jpn ) |
降雨時の山腹斜面内地下水位の簡易算定法の検討
|
| Title ( eng ) |
Simplified Method to Calculate Groundwater Level inside a Hillside Slope during Rainfall
|
| Creator |
Ha Thi
Sasaki Yasushi
Unegawa Yuuichi
|
| 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 | 43 |
| End Page | 51 |
| Abstract |
In order to estimate the stability of slope during heavy rainfall, rainfall infiltration forming groundwater flow should be known. This groundwater flow is desired to be known from on-going rainfall records so that the necessity of warning can be evaluated rapidly. However, there is no simple and practical method to estimate the groundwater flow using on-going rainfall records, though studies on this kind groundwater flow are being conducted in academic area. This paper describes a newly developed simplified method to evaluate the groundwater flow for a two dimensional slope using on-going rainfall records based on an actual behavior of groundwater formation monitored at site. Comparison between the calculated groundwater levels and the monitored level at site shows that this simplified method can well estimate a groundwater rise up. Furthermore, this simplified method is applied to slopes where actual failure was caused during the heavy rain on 29June, 1999 heavy rain.
|
| Keywords |
Masado
rainfall infiltration
slope stability
groundwater level
field monitoring
analysis model
|
| 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
|
