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Method of quantitative determination of concrete defect by measuring of high-frequency capacitance

Research Project

Project/Area Number 25420595
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Building structures/Materials
Research InstitutionAichi Institute of Technology

Principal Investigator

SEKO SHIGEKI  愛知工業大学, 工学部, 准教授 (50507259)

Research Collaborator YUKI Hideyasu  
Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2015: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords高周波静電容量 / コンクリート / 欠陥 / 位置 / 端子間距離 / 定量評価 / 打込み欠陥 / 大きさ / 深さ位置 / 端子間の距離 / 推定式 / 端子間隔 / 鉄筋 / セパレータ / 測定感度
Outline of Final Research Achievements

Three series of experimental tests were carried out. For the solid section, measurement depth of high-frequency capacitance sensor resulted increasing commensurately with distance of electrodes. For the void section, measurement span of high-frequency capacitance sensor resulted increasing commensurately with distance of electrodes, but not for the measurement depth. Observed value of high-frequency capacitance sensor with different distance of electrodes, was influenced by the width of void. Using of different distance of electrodes, observed values can derive a certain depth of void in mortar.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (2 results)

All 2015

All Journal Article (2 results) (of which Acknowledgement Compliant: 2 results)

  • [Journal Article] 高周波静電容量測定装置の電極の寸法と配置が測定範囲に及ぼす影響に関する研究 その1)比誘電率が異なる材料における中実試験体での測定範囲に関する研究2015

    • Author(s)
      笠原美瞳、瀬古繁喜、山田和夫
    • Journal Title

      日本建築学会大会学術講演梗概集(関東)

      Volume: 材料施工 Pages: 353-354

    • Related Report
      2015 Annual Research Report
    • Acknowledgement Compliant
  • [Journal Article] 高周波静電容量測定装置の電極の寸法と配置が測定範囲に及ぼす影響に関する研究 その2)比誘電率が異なる材料における空洞試験体での測定範囲に関する研究2015

    • Author(s)
      瀬古繁喜、笠原美瞳、山田和夫
    • Journal Title

      日本建築学会大会学術講演梗概集(関東)

      Volume: 材料施工 Pages: 355-356

    • Related Report
      2015 Annual Research Report
    • Acknowledgement Compliant

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Published: 2014-07-25   Modified: 2019-07-29  

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