Fatigue inspection for orthotropic steel deck with infrared thermography
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Bibliografische Angaben
| Autor(en): |
Atsuhiro Okumura
(Honshu-Shikoku Bridge Expressway Co., Ltd., Kobe-shi, Hyogo, Japan)
Yoshiaki Mizokami (Honshu-Shikoku Bridge Expressway Co., Ltd., Kobe-shi, Hyogo, Japan) Akira Moriyama (Honshu-Shikoku Bridge Expressway Co., Ltd., Kobe-shi, Hyogo, Japan) Tokihide Otou Takahide Sakagami (Kobe University, Kobe-shi, Hyogo, Japan) Yui Izumi (University of Shiga Prefecture, Hikone-shi, Shiga, Japan) |
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| Medium: | Tagungsbeitrag | ||||
| Sprache(n): | Englisch | ||||
| Tagung: | IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017 | ||||
| Veröffentlicht in: | IABSE Symposium Vancouver 2017 | ||||
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| Seite(n): | 2022-2029 | ||||
| Anzahl der Seiten (im PDF): | 8 | ||||
| Jahr: | 2017 | ||||
| DOI: | 10.2749/vancouver.2017.2022 | ||||
| Abstrakt: |
An efficient inspection method for detecting fatigue cracks on orthotropic steel decks was developed. The bead-penetrating crack between a deck plate and trough rib can be detected remotely with high degree of accuracy by this method. This method is called “temperature gap method”, since the fatigue crack is identified by detecting the temperature gap at the crack with an infrared thermography. The inspection with this method is done in a systematic manner with priority of the bridges set from the data of cumulative traffic volume of large vehicles. The infrared camera system and the crack detection system were also developed for the efficient inspection. This paper is to report on the inspection for orthotropic steel decks with the infrared thermography. |
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| Stichwörter: |
Ermüdung orthotrope Stahlfahrbahn Infrarot-Thermografie
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