NDLI: Crack sizing accuracy of a phased array ultrasonic scanner developed for inspection of rib-to-deck welded joints in orthotropic steel bridge decks

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Crack sizing accuracy of a phased array ultrasonic scanner developed for inspection of rib-to-deck welded joints in orthotropic steel bridge decks

Content Provider	Scilit
Author	Hattori, M. Makita, T. Tateishi, K. Hanji, T. Shimizu, M. Yagi, N.
Copyright Year	2021
Description	Fatigue cracks have been observed at welded joints between U-ribs and deck plates in many orthotropic steel decks. Considering a fatigue crack at rib-to-deck welded joints can compromise transportation safety, it is necessary to detect and repair the crack at the early development stage.This paper presents the accuracy of crack sizing with a Phased Array Ultrasonic Testing (PAUT) scanner developed for inspection. Firstly, an internal crack propagating from a weld root was induced at rib-to-deck welded joints by using a plate bending fatigue testing machine. Subsequently, the joints were inspected with the PAUT scanner. Appropriate sizing methods were determined for the deck and weld bead propagation type cracks, respectively, and the accuracy of crack sizing was evaluated. In addition, the influence of coating on the accuracy in crack sizing was examined. As a result, it is demonstrated that the PAUT scanner had enough crack sizing performance. Book Name: Bridge Maintenance, Safety, Management, Life-Cycle Sustainability and Innovations
Related Links	https://api.taylorfrancis.com/content/chapters/edit/download?identifierName=doi&identifierValue=10.1201/9780429279119-540&type=chapterpdf
Ending Page	3954
Page Count	9
Starting Page	3946
DOI	10.1201/9780429279119-540
Language	English
Publisher	Informa UK Limited
Publisher Date	2021-04-19
Access Restriction	Open
Subject Keyword	Book Name: Bridge Maintenance, Safety, Management, Life-cycle Sustainability and Innovations Characterization and Testing of Materials Deck Welded Scanner Orthotropic Welded Joints Rib To Deck
Content Type	Text
Resource Type	Chapter

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