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Abstract

Advancements in Civil Engineering & Technology

Review of Noncontact Ultrasonic Measurement System for Structural Health Monitoring

  • Open or CloseMakiko Kobayashi1*, Wu KT2 and Riichi Murayama3

    1Graduate school of Science and Technology, Japan

    2National Research Council of Canada, Canada

    3Department of Intelligent Mechanical Engineering, Japan

    *Corresponding author:Makiko Kobayashi, Graduate school of Science and Technology, Japan

Submission: September 04, 2019; Published: September 12, 2019

DOI: 10.31031/ACET.2019.03.000569

ISSN : 2639-0574
Volume3 Issue4

Abstract

Non-destructive testing (NDT) of infrastructure such as bridges and tunnels has become more important since it has aging problem and traffic was heavier than expected. Thin film ultrasonic sensors would be attractive because it is easy to integrate on huge structure. However, NDT of huge structure is still challenging because of sensor accessibility. Semi-noncontact ultrasonic sensors were proposed in this manuscript. 20cm diameter copper coil transmit/receive electrical signal from a pulser/receiver instrument and a thin film ultrasonic sensor and reflected echo from 12.7mm thick steel plate successfully. By this method, measurement using drone could be possible and it increases application possibility for huge infrastructure monitoring.

Keywords: NDT, Non-contact sensing; Ultrasound

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