Influences of air phase entrapment and leakage on quality of an earth structure
| Project/Area Number |
15K06211
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Geotechnical engineering
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| Research Institution | Kindai University |
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Principal Investigator |
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Keywords | 不飽和土 / 空気相 / 地盤工学 / 土壌圏現象 / 自然災害 |
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| Outline of Final Research Achievements |
It is known that rainfall infiltration can cause unstabilization of an earth structure and rainfall simulation and site monitoring have been conducted. However, the behavior of air phase induced by rainfall infiltration has not been sufficiently investigated. In this study, air pressure behavior within an earth structure was investigated through soil/water/air coupled simulation and a full-scale embankment test. First, rainfall infiltration into a slope was simulated under various conditions and it was found that air pressure localization occurs due to rainfall infiltration. Next, the infiltration behavior was monitored on full scale embankment. Consequently, different tendency of air pressure distribution according to rainfall intensity was obtained and it showed good agreement with simulation results.
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Report
(4 results)
Research Products
(33 results)
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[Presentation] 覆土工における排水能力の評価2015
Author(s)
岡田真理子, 生田勇輝, 飯塚敦, 河井克之, 坂尾亮太, 小原義之
Organizer
第50回地盤工学研究発表会
Place of Presentation
札幌 北海道科学大学
Year and Date
2015-09-01
Related Report
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