Machine Vision-Based Monitoring Methodology for the Fatigue Cracks in U-Rib-to-Deck Weld Seams

The orthotropic steel-box girder (OSG) is widely used in the construction of a large-scale bridges. Since cumulative damages caused by the heavy vehicles and initial flaws of welding, the bridges with OSGs frequently suffer from fatigue cracks, which are commonly distributed around U-ribs. Hence, th...

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Veröffentlicht in:	IEEE access 2020, Vol.8, p.94204-94219
Hauptverfasser:	Wang, Dalei, Dong, Yiqing, Pan, Yue, Ma, Rujin
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Box girders Bridge maintenance Bridges Crack propagation Cracks Decks deep learning Fatigue fatigue crack measuring Fatigue cracks Fatigue failure Feature extraction Flaw detection Heavy vehicles Image acquisition Image processing Image segmentation image stitching Internet of Things IoT based image acquisition system Machine learning Machine vision Methodology Monitoring Nondestructive testing Orthotropic steel deck Seams Steel Stitching Suspension bridges Temporal resolution Visibility Vision systems Welding Workflow
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