| Project/Area Number |
21560510
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Structural engineering/Earthquake engineering/Maintenance management engineering
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| Research Institution | Ritsumeikan University |
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Principal Investigator |
KOBAYASHI Hiroshi 立命館大学, 総合理工学研究機構, 客員研究員 (90066712)
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| Co-Investigator(Kenkyū-buntansha) |
IZUNO Kazuyuki 立命館大学, 理工学部, 教授 (90168328)
SATOFUKA Yoshifumi 立命館大学, 理工学部, 教授 (20215875)
NOZAKA Katsuyoshi 立命館大学, 理工学部, 准教授 (50373105)
NAKAO Hisashi 立命館大学, 総合理工学研究機構, ポストドクトラルフェロー (50514171)
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| Co-Investigator(Renkei-kenkyūsha) |
SHOJI Gaku 筑波大学, システム情報工学研究科, 講師 (60282836)
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| Project Period (FY) |
2009 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2011: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Keywords | 津波 / 防災 / 流体 / 橋梁 / 落橋防止 / 流体力 / 模型実験 / 津波力低減 / 圧力測定 / 数値流体解析 / 落橋防止システム |
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| Research Abstract |
Fundamental study on tsunami force acting on bridges was conducted. Tsunami flow was modeled in a water channel. Rectangular, channel, hexagonal and trapezoidal section shapes as well as a cylinder with semi circular ends were employed as bridge models. The result showed that the strong forces appeared just after the tsunami hit the models and then these forces were gradually reduced. Rectangular model suffered from strong down force and negative moment of very short duration time. The cylinder with semi circular ends had smallest forces.
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