Development of Non-contact Thickness Gauging Equipment for Underwater Steel Structure

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概要

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• We have developed a non-contact thickness gauging equipment for underwater steel structures such as steel pipe piles of the pier. Efficiency of non-contact measurement is better than that of conventional contact measurement for inspection work. The measurement principle is as follows. We use the convergence transducer of large diameter in order to focus ultrasonic waves on the inside the steel plates. We measure the time intervals of multiple reflections from the steel plate, and calculate the thickness using the measured values. Sufficient results were obtained in field experiments.

• 一般社団法人電子情報通信学会の論文
• 2012-08-20

著者

• MATSUMOTO Sayuri

  Port and Airport Research Institute

• KATAKURA Kageyoshi

  Port and Airport Research Institute

• SHIRAI Kazuhiro

  Port and Airport Research Institute

関連論文

• Imaging Performance Evaluation Method of Wide-View Underwater Acoustic Lens by Geometrical Skew Ray Analysis
• Comparison of Sound Pressure Distribution Determined by Numerical Analysis and Scaled-Up Experiment for Small Ultrasonic Probe with Lens
• Development of Non-contact Thickness Gauging Equipment for Underwater Steel Structure

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