2013 Fiscal Year Final Research Report
Development for reduction technique of thermal stress induced in structural members strengthened by carbon-fiber
| Project/Area Number |
24656269
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Civil engineering materials/Construction/Construction management
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| Research Institution | Kyoto University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
ISHIKAWA Toshiyuki 京都大学, 大学院工学研究科, 助教 (00423202)
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Keywords | 熱応力 / 炭素繊維 / アルミニウム合金 / 線膨張係数 / 固有値解析 / 温度 / はく離 / 接着剤 |
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| Research Abstract |
In the structural members strengthened by bonding carbon-fiber reinforced polymer, CFRP, thermal stresses are introduced when the temperature changes because the linear thermal expansion coefficients of conventional structural materials, e.g. steel or concrete, and CFRP are mismatched. With this in mind, we proposed a technique to reduce the thermal stress in structural members strengthened by CFRP, which involves bonding aluminum alloy plates with CFRP. The thermal test results showed the effectiveness of proposed method for reduction of thermal stress in structural members. Furthermore, the evaluation method for debonding of CFRP from structural members was proposed.
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[Journal Article] Reduction of thermal stress induced in steel plate strengthened by bonding CFRP plate on one side, Asia-Pacific Conference on FRP in Structures2013
Author(s)
Ishikawa, T., Nagao, T., Kobayashi, A., Shimizu, M., Hattori, A. and Kawano, H
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Journal Title
APFIS, Melbourne
Volume: No.8
Peer Reviewed
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