Application of infrared camera for steel bridge maintenance

被引：2

作者：

Sakagami, Takahide ^{[1
]}

Mizokami, Yoshiaki ^{[2
]}

Shiozawa, Daiki ^{[1
]}

Hayashi, Masahiro ^{[2
]}

Takeguchi, Masahiro ^{[2
]}

机构：

[1] Kobe Univ, Dept Mech Engn, Nada Ku, 1-1 Rokkodai Cho, Kobe, Hyogo 6578501, Japan

[2] Honshu Shikoku Bridge Expressway Co Ltd, Chuo Ku, 4-1-22 Onoe Dori, Kobe, Hyogo 6510088, Japan

来源：

THERMOSENSE: THERMAL INFRARED APPLICATIONS XL | 2018年 / 10661卷

关键词：

Nondestructive evaluation; Spectral absorption characteristics; SWIR camera; Wear loss; Multiple-layered corrosion protection coating; Steel bridges;

D O I：

10.1117/12.2307654

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Heavy-duty anticorrosion coating with multiple-layered paints is applied to long-span steel bridge members on the sea. By aging deterioration, the coating is worn from surface year by year. Appropriate repainting programs should be adopted for the maintenance of the bridges according to the evaluation of wear extent. In this study a new nondestructive evaluation technique using short wavelength infrared (SWIR) camera, that enables us to easily detect the wear loss of surface fluororesin coating layer, is developed based on the difference in spectral absorptance between surface fluororesin coating and inner-layer epoxy resin coating.

引用

页数：6

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