| Project/Area Number |
26630214
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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 |
Structural engineering/Earthquake engineering/Maintenance management engineering
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| Research Institution | Nagasaki University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
INADA Hiroshi 清水建設株式会社, 技術研究所・インフラ再生プロジェクト室, 主任研究員 (00443747)
DEMIZU Akira 長崎大学, 工学研究科, 技術職員 (00533308)
MORITA Chihiro 長崎大学, 工学研究科, 准教授 (60230124)
NISHIKAWA Takafumi 長崎大学, 工学研究科, 助教 (50512076)
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| Project Period (FY) |
2014-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Keywords | 仮設足場 / 橋梁点検 / 光学的計測法 / 渡海橋 / 跨道橋 / 跨線橋 / デジタル画像解析 / 中小スパン橋梁 / 仮設足場不要 / 海洋渡海橋 / 外観点検システム / ３Dデジタル写真測量 / デジタルたわみ計測 / UAV / ギガピクセル画像 / 仮設足場を設置しない / 3Dデジタル写真測量 / デジカメたわみ計測 |
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| Outline of Final Research Achievements |
In the present study, using optical measurement methods, such as 3D laser scanner and digital image analysis, as the target of the bridge can not be inspected without a temporary scaffolding, it presented a new inspection method alternative to traditional inspection methods. And it has been verified the validity and usefulness by the feasibility study. Specifically, we have developed a deflection measurement method of a bridge according to the three-dimensional maintenance system and digital image analysis for outer appearance degradation information acquisition.
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