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Get Free Access"Rib-to-deck joints of orthotropic steel decks (OSDs) in steel bridges are susceptible to longitudinal fatigue cracking, which often results in considerable costs as well as traffic interruption. This paper numerically simulated the Crack II of rib-to-deck joint and analyzed the crack failure mode of the joint. To mitigate such cracking, a strengthening method using internal welding was investigated. The effects of initial crack size, internal weld size and crack depth on the stress intensity factor (SIF) of crack tip on rib-to-deck fatigue details were studied by finite element method. The finite element analysis demonstrated that the proposed method can significantly improve the detailed stress range of the weld root, lead to the transfer of crack development mode, and prolong the fatigue life of rib-to-deck joints. Numerical analysis validated the beneficial effect of strengthening measures on the stress intensity factors at crack tips. Calculation of stress intensity factors at crack tips resulted that the crack development law, and the application range of reinforcement method was analyzed. This study provided a reference to the design and application of internal welding in the strengthening of weld details in OSDs."
Kong Kwong, Wah Hospital, Xue Zou, Yong Zhang, Yang Liu, Lei Shi, D Kan, Wu Ouyang, L Chen, Si‐Wei Liu, Da Chen, Yinping Ma, Chengqiang Cui, Qiang Zhang, W Lao, Chunlin Huang, H Ban, Hai Lu, Yong Jiu Shi, Qi Si, Yong Ding, Zong Li, Hongwei Liu, Zhutao Shao, Yulong Li, Shuangxi Song, Weiliang Jin, Yang Liu, Dong Hua, X Liu High, Wenjing Wang, A Sharhan, Ershun Du, Xu Hu, Zhengchun Zhou, Jun Lü, Yankun Tang, A Abdelrahman, M Ghannam, S Lotfy, Mohammad AlHamaydeh, Xiang Xiong, F Nkuichou, Tao Wang, Minglin Ma, K Du Corrosion, N Wang, Jian Hua, Xin Xue, Qindan Huang, F Wang, Hsin-Haou Huang, Lingbao Ren, Ke Chen, X Li, Lei Wang, Bing Yang, Mingming Zhang, Wenjun Liu, Z Lei, Dangxiao Wang, Jingyuan Wang, Lijun Zhou, Xueming Shu, Cross-Sections Zhang, Leroy Gardner, C Buchanan, Dave Chan, Sun Wen-bin, Yanfang Wang, M. Li, Jian Li, Da Lei (2022). FATIGUE PERFORMANCE OF RIB-TO-DECK JOINTS STRENGTHENED WITH INTERNAL WELDING. , DOI: https://doi.org/10.18057/icass2020.p.268.
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Type
Report
Year
2022
Authors
73
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.18057/icass2020.p.268
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