• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Development of corrosion diagnostic method using electrochemical method in structures to which surface penetration method is applied

Research Project

Project/Area Number 18K04315
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 22010:Civil engineering material, execution and construction management-related
Research InstitutionFukuoka University

Principal Investigator

HAZEHARA HIROTAKA  福岡大学, 工学部, 助教 (70580182)

Co-Investigator(Kenkyū-buntansha) 玉井 宏樹  九州大学, 工学研究院, 助教 (20509632)
小池 賢太郎  鹿児島大学, 理工学域工学系, 助教 (30781992)
Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2020: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords表面含浸材 / 自然電位法 / 分極抵抗法 / 撥水角 / 自然電位 / 分極抵抗 / コンクリート / シラン系表面含浸材 / 静電場解析 / 表面含浸工法 / 鉄筋腐食
Outline of Final Research Achievements

For the purpose of constructing a corrosion diagnostic technique by an electrochemical method in a concrete structure to which the surface penetration method is applied, the application methods of the natural potential method and the polarization resistance method were examined. When the natural potential and polarization resistance are measured from the surface applied with the impregnating material, it is confirmed that the measurement is performed on the non-corrosive side, and it was able to show the threshold. It was also found that there is a correlation between the deterioration of the performance of the penetrated material and the measured natural potential, and it is possible to correct using the water repellency angle of the concrete surface as an index. It was found that the corrosion rate can be expressed by the ratio of the measured polarization resistance values.

Academic Significance and Societal Importance of the Research Achievements

コンクリート構造物の老朽化に伴い,如何に維持管理していくかが重要な課題となっている。近年,長寿命化対策として,表面含浸工法の適用が増加しており,今後も増加していくと予想される。表面含浸工法が適用された維持管理法については,従来の手法をそのまま適用することが難しく,適切に診断できない可能性がある。本研究で得られた成果により,表面含浸工法が適用されたコンクリートにおいても適切に自然電位や分極抵抗法を用いた劣化診断が適用できる知見を示すことができた。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (9 results)

All 2021 2020 2019

All Journal Article (7 results) (of which Peer Reviewed: 7 results,  Open Access: 2 results) Presentation (2 results)

  • [Journal Article] シラン系表面含浸材が自然電位の測定結果に及ぼす影響2021

    • Author(s)
      庄野克哉,櫨原弘貴,添田政司,山田悠二
    • Journal Title

      コンクリート工学年次論文集

      Volume: 43

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 表面含浸材の塗布が腐食鉄筋の分極抵抗値に与える影響2020

    • Author(s)
      深見桜,櫨原弘貴,添田政司,庄野克哉
    • Journal Title

      コンクリート工学年次論文集

      Volume: 42 Pages: 1456-1461

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 表面含浸工法の適用が電気化学的手法による鉄筋の状態評価に与える影響2019

    • Author(s)
      大塚柚人、櫨原弘貴、玉井宏樹、小池賢太郎、添田政司
    • Journal Title

      コンクリート構造物の補修,補強アップブレード論文報告集

      Volume: 19 Pages: 361-366

    • NAID

      40022282136

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Corrosion evaluation of rebar using polarization resistance method2019

    • Author(s)
      Y.Otsuka, H.Hazehara, D.N.Katpady, M.soeda
    • Journal Title

      Proceedings of assessment and intervention of existing structures

      Volume: 3

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Influence of surface impregnation application on corrosion judgment by electrochemical method2019

    • Author(s)
      S.Fukami, H.Hazehara, D.N.Katpady, M.Soeda, Y.Sato
    • Journal Title

      Proceedings of assessment and intervention of existing structures

      Volume: 3

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] 分極抵抗法を用いた鉄筋の腐食評価に関する基礎的研究2019

    • Author(s)
      大塚柚人,櫨原弘貴,金田尚志,児島あかり
    • Journal Title

      コンクリート工学年次論文集

      Volume: 41 Pages: 1817-1822

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] 分極抵抗法を用いた鉄筋の腐食評価に関する基礎的研究2019

    • Author(s)
      大塚柚人、櫨原弘貴、金田尚志、児島あかり
    • Journal Title

      コンクリート工学年次論文集

      Volume: 41

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Presentation] 表面含浸工法の適用が電気化学的手法による腐食判定結果に与える影響2019

    • Author(s)
      大塚柚人、児島あかり、櫨原弘貴、添田政司、村上哲
    • Organizer
      土木学会第74回年次学術講演会
    • Related Report
      2018 Research-status Report
  • [Presentation] 分極抵抗法による腐食判定に関する基礎的研究2019

    • Author(s)
      大塚柚人、櫨原弘貴、添田政司、児島あかり
    • Organizer
      第73回セメント技術大会
    • Related Report
      2018 Research-status Report

URL: 

Published: 2018-04-23   Modified: 2022-01-27  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi