The Proceedings of Conference of Kanto Branch
Online ISSN : 2424-2691
ISSN-L : 2424-2691
2014.20
Session ID : 21002
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21002 A Trial on Defect Detection using Stress Stethoscope
Ayumi TAKAMATSUJyo SHIMURAShigeru KUROSAKITakuo SUZUKI
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Abstract
Stress stethoscopes have been used mainly to measure the strain for bridge maintenance. The purpose of this study is to establish a defect detection method using this device. When the cyclic load was applied to a specimen with an artificial defect, we measured the strain distribution around the defect on the reverse side of a specimen. The specimens used in the experiments have a notch as an artificial defect, and the effect of notch geometry on the strain distribution was clarified. As a result, it has proved that a stress stethoscope is available for the defect detecting method.
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© 2014 The Japan Society of Mechanical Engineers
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