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Chen, Zhuo Yi (author), Li, Chuan Xi (author), He, Jun (author), Xin, H. (author)Diaphragm cutouts are set to release redundant constraints and hence reduce weld fatigue at the connection of U-ribs to diaphragms in orthotropic steel decks. However, most fatigue cracks which originate from the edge of cutouts are in fact detected in the diaphragms. Therefore, a retrofit technology on cracked cutouts at the diaphragm is...journal article 2020