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Development of shear test equipment for post-installed anchor constructed on low strength concrete and evaluation of transferred shear force

Research Project

Project/Area Number 16K06567
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Building structures/Materials
Research InstitutionUniversity of Fukui

Principal Investigator

Kobayashi Katsumi  福井大学, 学術研究院工学系部門, 特命教授 (40150297)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords鉄筋コンクリート / 低強度コンクリート / あと施工アンカー / せん断試験装置 / せん断剛性 / 原位置試験 / 品質管理 / 施工管理 / 後施工アンカー / 建築構造・材料
Outline of Final Research Achievements

Compact shear test equipment was developed combining convex parts and concave parts so as to slide in parallel. It can reproduce the condition of post-installed anchor constructed on a concrete interface simply by closely fixing the test anchor bars with the equipment. The characteristics as test equipment were investigated by comparing with the other shear-off test result. The test results well respond to that of the other shear-off test by setting up with some floating distance from the concrete surface according to the anchor bar size.
Furthermore, shear tests were conducted using low strength concrete made by adding water, and the relationship between shear force and horizontal deformation was obtained to present data that would contribute to a rational seismic strengthening design.

Academic Significance and Societal Importance of the Research Achievements

現場で利用できるせん断試験機が無かったために、耐震補強対象建物ごとのあと施工アンカー設計のためのデータ取得、品質・施工管理上のせん断試験が行われていない。これに対して、現場で簡便に使用でき、実際の状態をよく再現できるせん断試験機を開発した。耐震補強に限らず、あと施工アンカー一般の原位置せん断試験が可能となり、設計の信頼性の向上、施工・品質管理に役立つと期待される。
実験室内でも簡便に多数の実験を実施できることは言うまでもなく、あと施工アンカー工法の研究・開発にも使用できる。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (3 results)

All 2018 2017

All Journal Article (2 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] あと施工アンカーの原位置せん断試験装置の開発 その2 試作機の動作特性2018

    • Author(s)
      小林克巳、谷口博司、河辺弘三、寺崎慎一
    • Journal Title

      日本建築学会大会学術講演梗概集

      Volume: 構造Ⅳ C-2 Pages: 145-146

    • Related Report
      2018 Annual Research Report
  • [Journal Article] あと施工アンカーの原位置せん断試験装置の開発 その1 試験装置設計の基本的考え方2017

    • Author(s)
      小林克巳、谷口博司、河辺弘三、寺崎慎一
    • Journal Title

      日本建築学会大会学術講演梗概集

      Volume: 構造Ⅳ C-2 Pages: 365-366

    • Related Report
      2017 Research-status Report
  • [Patent(Industrial Property Rights)] せん断力試験装置2017

    • Inventor(s)
      小林克巳、谷口博司、河辺弘三
    • Industrial Property Rights Holder
      国立大学法人福井大学、株式会社トラスト
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2017-166282
    • Filing Date
      2017
    • Related Report
      2017 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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