電磁波レーダを用いた鉄筋コンクリート構造物の鉄筋径の計測 Measurement of the Diameter of Reinforcing Bars in Concrete Structures Using an Electromagnetic Wave (Radar)

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This paper proposes a new method to measure the diameter of reinforcing bars (deformed bars), in reinforced concrete, using electromagnetic wave (radar). The method scans over the concrete surface, along the bar, and measures the average space of the ribs of the bar. The diameter of the bar is identified based on the relationship between the average space of the ribs and the diameter. Although the average space is measured by frequency analysis of the propagation time of the electromagnetic wave to and from the bar, this paper develops a more reliable method instead of the well-known FFT (Fast Fourier Transform) technique. That is, a method which applies a maximum likelihood method to the dynamic model of the sensor output (i.e., the propagation time). Lastly, the effectiveness of the method is demonstrated.

収録刊行物

  • 非破壊検査 = JOURNAL OF THE JAPANESE SOCIETY FOR NON-DESTRUCTIVE INSPECTION  

    非破壊検査 = JOURNAL OF THE JAPANESE SOCIETY FOR NON-DESTRUCTIVE INSPECTION 57(7), 321-326, 2008-07-01 

    The Japanese Society for Non-Destructive Inspection

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被引用文献:  2件

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各種コード

  • NII論文ID(NAID)
    10021165336
  • NII書誌ID(NCID)
    AN00208370
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03675866
  • NDL 記事登録ID
    9563114
  • NDL 雑誌分類
    ZM16(科学技術--科学技術一般--工業材料・材料試験)
  • NDL 請求記号
    Z14-41
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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