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Get Free AccessDue to its advantages of good mechanical properties, simple appearance and strong adaptability, the steel box girder is being widely utilized in urban bridges. The noise radiated by steel box girders subjected to vehicle impacts has the characteristics of wide-spectrum, high-magnitude and control difficulty. U-rib stiffened roof, as a part of the steel box girder, directly bears the input load, which is the basis of studying the vibration of the steel box girder. Currently, the investigation on the vibro-acoustic performance of U-rib plates is very limited. With this regard, this paper introduces the concept of Structural Intensity (SI). The SI vector is calculated by the Finite Element (FE) method. The power flow is visualized by the self-programming post-processing code. The global and local vibration energy transmission characters of a U-rib stiffened plate under a harmonic nodal force are analyzed. Further, the influence of plate thickness is investigated. The optimum design is carried out based on the engineering standard dimensions. The research results indicate that increasing the thickness ratio of the U-rib to the baseplate is beneficial to reducing the vibration.
Dawei Zhang, H Deng, X Hu, Zhi Li, Kaiyu Cui, Chao Wang, Sen Chen, Zheng Tan, Wei Zhang, Xiaobin Song, Bao Meng, Chao Li, Shan Duan, B Jiang, Li Jiang, Shuxun Sang, Yi Li, Yongbo Wu, Wei Zhong, Jun Hao, Jiang‐Qiao Ding, Zhifu Zhang, A Machowski, Mariusz Maślak, M Pazdanowski, Angle Steel, Xue Li, Fangwei Zhang, Jianqiao Ye, Dong Sun, Wenjuan Yao, Xiaoqing Xu, Xin Zhao, Yan Sun, Y Liu, Wei Zhang, Hong Kong Kwong, Wah Hospital, Xue Zou, Yong Zhang, Y Liu, Lei Shi, D Kan, Wu Ouyang, L Chen, S Liu, Da Chen, Yinping Ma, Chengqiang Cui, Qiang Zhang, W Lao, Chunlin Huang, H Ban, Lu Hai, Yujia Shi, Qi Si, Yao Ding, Zong Li, Huiying Liu, Zhutao Shao, Yi Li, Siwei Song, Weiliang Jin, Y Liu, Hongnian Dong, X Liu High, Wang We, A Sharhan, Ershun Du, X Hu, Zhongrong Zhou, J Lu, Yue Tang, A Abdelrahman, M Ghannam, S Lotfy, Mohammad AlHamaydeh, Xiang Xiong, F Nkuichou, T Wang, M Ma, K Du Corrosion, Na Wang, Jianmin Hua, Xiaolong Xue, Qiao Huang, Fei Wang, Haibo Huang, Luquan Ren, Kun Chen, Xue Li, L Wang, Bing Yang, Mingming Zhang, Wenjun Liu, Z Lei, Dawei Wang, Ji Wang, Lang Zhou, Xinyu Shu (2022). POWER FLOW ANALYSIS OF BRIDGE U-RIB STIFFENED PLATES BASED ON THE CONCEPT OF STRUCTURAL INTENSITY. , DOI: https://doi.org/10.18057/icass2020.p.061.
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Type
Report
Year
2022
Authors
100
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.18057/icass2020.p.061
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