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Study on Fatigue Performance of Typical Fatigue Detail in Orthotropic Steel Deck

Yan, Bing / Zhu, Yaoyu / Meng, Cheng / Yuanzhou, Zhiyuan

Orthotropic steel decks (OSDs) are easily subjected to fatigue cracking under the cyclic vehicle loading, and arc notch between diaphragm and U-rib is one of the typical fatigue details. The strain values of three measuring points at arc notch in a steel bridge were monitoring to obtain the stress time histories. Then, fatigue stress amplitudes and fatigue damage degrees were analysed. It was found that this typical fatigue detail was under tension–compression cyclic stress. The maximum stress amplitude appeared at U-rib weld toe, which indicated that fatigue cracks were more prone to propagate on this area, comparison of fatigue damage degrees also corroborated it.

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Study on Fatigue Performance of Typical Fatigue Detail in Orthotropic Steel Deck

Yan, Bing / Zhu, Yaoyu / Meng, Cheng / Yuanzhou, Zhiyuan

Orthotropic steel decks (OSDs) are easily subjected to fatigue cracking under the cyclic vehicle loading, and arc notch between diaphragm and U-rib is one of the typical fatigue details. The strain values of three measuring points at arc notch in a steel bridge were monitoring to obtain the stress time histories. Then, fatigue stress amplitudes and fatigue damage degrees were analysed. It was found that this typical fatigue detail was under tension–compression cyclic stress. The maximum stress amplitude appeared at U-rib weld toe, which indicated that fatigue cracks were more prone to propagate on this area, comparison of fatigue damage degrees also corroborated it.

Study on Fatigue Performance of Typical Fatigue Detail in Orthotropic Steel Deck

Yan, Bing / Zhu, Yaoyu / Meng, Cheng / Yuanzhou, Zhiyuan

Orthotropic steel decks (OSDs) are easily subjected to fatigue cracking under the cyclic vehicle loading, and arc notch between diaphragm and U-rib is one of the typical fatigue details. The strain values of three measuring points at arc notch in a steel bridge were monitoring to obtain the stress time histories. Then, fatigue stress amplitudes and fatigue damage degrees were analysed. It was found that this typical fatigue detail was under tension–compression cyclic stress. The maximum stress amplitude appeared at U-rib weld toe, which indicated that fatigue cracks were more prone to propagate on this area, comparison of fatigue damage degrees also corroborated it.

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Title:

Study on Fatigue Performance of Typical Fatigue Detail in Orthotropic Steel Deck

Additional title:

Lecture Notes in Civil Engineering

Contributors:

Feng, Guangliang (editor) / Yan, Bing (author) / Zhu, Yaoyu (author) / Meng, Cheng (author) / Yuanzhou, Zhiyuan (author)

Conference:

International Conference on Civil Engineering ; 2022 ; Nanchang, China

Published in:

Proceedings of the 9th International Conference on Civil Engineering ; Chapter: 2 ; 11-17

Lecture Notes in Civil Engineering ; 327

Publication date:

2023-06-18

Size:

7 pages

ISBN:

978-981-99-2532-2 , 978-981-99-2531-5

ISSN:

2366-2565 , 2366-2557

DOI:

https://doi.org/10.1007/978-981-99-2532-2_2

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Orthotropic Steel Deck , Fatigue Crack , Stress Amplitude , Field Monitoring , Fatigue Damage Degree Engineering , Civil Engineering , Building Materials , Transportation Technology and Traffic Engineering

Licence:

http://creativecommons.org/licenses/by/4.0/

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