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Development of structural strengthening method with prestressed near-surface mounted FRP reinforcements

Research Project

Project/Area Number 21860079
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Civil engineering materials/Construction/Construction management
Research InstitutionMeijo University

Principal Investigator

IWASHITA Kentaro  Meijo University, 理工学部・建設システム工学科, 助教 (30544738)

Project Period (FY) 2009 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥2,275,000 (Direct Cost: ¥1,750,000、Indirect Cost: ¥525,000)
Fiscal Year 2010: ¥1,066,000 (Direct Cost: ¥820,000、Indirect Cost: ¥246,000)
Fiscal Year 2009: ¥1,209,000 (Direct Cost: ¥930,000、Indirect Cost: ¥279,000)
Keywords複合材料・物性 / 構造・機能材料 / 長寿命化 / 防災
Research Abstract

Basalt fiber reinforced polymers (BFRP) and piano wires are considered in the hybridization in order to realize high performances in stiffness, strength, and ductility. It is confirmed that the bond strengths at epoxy putty-concrete interface and at polymer cement mortar and FRP are not so high, but a good bonding can be realized between concrete and polymer cement mortar and between epoxy putty and FRP. The structural performances of RC beams strengthened can be enhanced largely with prestressed FRP An analytical study is also performed in order to investigate the flexural behavior of RC beams strengthened with prestressed FRP.

Report

(3 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • Research Products

    (14 results)

All 2011 2010 2009

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (9 results)

  • [Journal Article] ピアノ線混入BFRPシート緊張接着補強RC梁の曲げ構造性能2011

    • Author(s)
      岩下健太郎, 呉智深, 橋本拓也, 金光男
    • Journal Title

      コンクリート工学年次論文集,日本コンクリート工学協会 Vol.33(採録決定済)

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Tensile fatigue behaviour of FRP and hybrid FRP sheets2010

    • Author(s)
      Z.S.Wu, X.Wang, K.Iwashita, T.Sasaki, Y.Hamaguchi
    • Journal Title

      Composites Part B : Engineering Vol.41, Iss.5

      Pages: 396-402

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] FRPケーブルの埋め込み緊張補強技術の確立2010

    • Author(s)
      呉智深, 岩下健太郎, 孫暁荷, 小林朗
    • Journal Title

      構造工学論文集,土木学会 Vol.56A

      Pages: 630-643

    • NAID

      130005060407

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Tensile fatigue behaviour of FRP and hybrid FRP sheets2010

    • Author(s)
      Z.S.Wu, X.Wang, K.Iwashita, T.Sasaki, Y.Hamaguchi
    • Journal Title

      Composites Part B : Engineering

      Volume: 41巻5号 Pages: 396-402

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] FRPケーブルの埋め込み緊張補強技術の確立2010

    • Author(s)
      呉智深, 岩下健太郎, 孫暁荷, 小林朗
    • Journal Title

      構造工学論文集, 土木学会 Vol.56A

      Pages: 781-792

    • NAID

      130005060407

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Presentation] 先貼りFRPシートによるFRP緊張接着端部付着強さの向上効果の検討2011

    • Author(s)
      早川鋭, 岩下健太郎
    • Organizer
      土木学会中部支部研究発表会
    • Place of Presentation
      中部大学
    • Year and Date
      2011-03-04
    • Related Report
      2010 Final Research Report
  • [Presentation] 先貼りFRPシートによるFRP 緊張接着端部付着強さの向上効果の検討2011

    • Author(s)
      早川鋭
    • Organizer
      土木学会中部支部研究発表会
    • Place of Presentation
      中部大学
    • Year and Date
      2011-03-04
    • Related Report
      2010 Annual Research Report
  • [Presentation] 鋼線混入FRPシートの付着挙動に関する実験的研究2010

    • Author(s)
      金光男, 岩下健太郎
    • Organizer
      土木学会第65回年次学術講演会
    • Place of Presentation
      北海道大学
    • Year and Date
      2010-09-01
    • Related Report
      2010 Annual Research Report 2010 Final Research Report
  • [Presentation] 連続繊維複合材の接着によるRC・PC構造物の補修・補強技術の開発2009

    • Author(s)
      岩下健太郎
    • Organizer
      中部セメントコンクリート研究会第2回材料部会(招待講演)
    • Place of Presentation
      愛知工業大学本山キャンパス(愛知県)
    • Year and Date
      2009-12-21
    • Related Report
      2010 Final Research Report
  • [Presentation] 連続繊維複合材の接着によるRC・PC構造物の補修・補強技術の開発2009

    • Author(s)
      岩下健太郎
    • Organizer
      中部セメントコンクリート研究会第2回材料部会
    • Place of Presentation
      愛知工業大学本山キャンパス(愛知県)
    • Year and Date
      2009-12-21
    • Related Report
      2009 Annual Research Report
  • [Presentation] Strengthening RC structures with externally prestressed basalt FRP-Steel wire hybrid sheets2009

    • Author(s)
      K.Iwashita, Z.S.Wu, T.Hashimoto
    • Organizer
      Proceedings of the Asia-Pacific Conference on FRP in Structures(APFIS2009)
    • Place of Presentation
      Sheraton Walkerhill Hote(l韓国,ソウル)
    • Year and Date
      2009-12-10
    • Related Report
      2010 Final Research Report
  • [Presentation] Strengthening RC structures with externally prestressed basalt FRP-Steel wire hybrid sheets2009

    • Author(s)
      Kentaro Iwashita, Zhishen Wu, Takuya Hashimoto
    • Organizer
      Proceedings of the Asia-Pacific Conference on FRP in Structures(APFIS2009)
    • Place of Presentation
      Sheraton Walkerhill Hotel(韓国, ソウル)
    • Year and Date
      2009-12-10
    • Related Report
      2009 Annual Research Report
  • [Presentation] Strengthening effects of RC beams with basalt FRP-steel wire hybrid sheets2009

    • Author(s)
      K.Iwashita, Z.S.Wu, T.Hashimoto
    • Organizer
      International Symposium on Innovation and Sustainability of Structures in Civil Engineering 2009 (ISISS' 2009)
    • Place of Presentation
      Ramada Plaza Guangzhou(中国,広州)
    • Year and Date
      2009-11-30
    • Related Report
      2010 Final Research Report
  • [Presentation] Strengthening effects of RC beams with basalt FRP-steel wire hybrid sheets2009

    • Author(s)
      Kentaro Iwashita, Zhishen Wu, Takuya Hashimoto
    • Organizer
      International Symposium on Innovation and Sustainability of Structures in Civil Engineering 2009(ISISS' 2009)
    • Place of Presentation
      Ramada Plaza Guangzhou(中国, 広州)
    • Year and Date
      2009-11-29
    • Related Report
      2009 Annual Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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