2012 Fiscal Year Final Research Report
Examination on sediment flux control with biodegradable sheet block
| Project/Area Number |
23656302
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Hydraulic engineering
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| Research Institution | University of Tsukuba |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
YANAGISHIMA Shinichi 独立行政法人港湾空港技術研究所, 海洋・水工部, 専門研究員 (40392972)
SATO Shinji 東京大学, 工学(系)研究科(研究院), 教授 (90170753)
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| Project Period (FY) |
2011 – 2012
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| Keywords | 海岸侵食 / 漂砂 / サンドブロック / 生分解性シート |
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| Research Abstract |
Coastal structures control sediments permanently, sometimes too effectively resulting expansion of eroded areas in the downside of longshore sediment. Sandbag, a flexible soft bag filled with sand, is an alternative to the traditional hard coastal structure to control sediments more adaptively. Further, if the sandbag is fabricated from biodegradable sheet, it will break-up and lose sediment control which can be regarded as changing the magnitude of sediment control. In the study, different kinds of field tests and numerical simulation have been done to assess the feasibility of the concept.
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