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Get Free AccessThe cyclic behavior of tree-like hollow structural section (HSS) columns with infilled concrete was experimentally and numerically investigated. A full-scale column, with the height of 3.2 m and the treetop plan dimension of 4 m×3 m, was designed and manufactured according to a practical engineering prototype. The column with a capacity protected reinforced concrete foundation was tested under combined constant axial compression and cyclic lateral loading through a specifically designed setup. The cracking and spalling of the reinforced concrete foundation were observed initially, followed by yielding of the bottom end of the primary branches when the story drift ratio reached 1.00%. The specimen failed by fracture of the full penetration groove welded splices in the petal-shaped trunk embedded in the foundation when the story drift ratio reached 3.00%. A detailed finite element analysis model for the tree-like column was then established and verified. Parametric studies were conducted to investigate the influence of the axial load level, filling range of concrete, steel yield strength, and the height to width ratio of the petal-shaped trunk. Finally, some design considerations were proposed.
Dawei Zhang, H Deng, X Hu, Zhi Li, Kaiyu Cui, Chao Wang, Sen Chen, Zheng Tan, Wei Zhang, Xiaobin Song, Bao Meng, Chao Li, S Duan, Bingnan Jiang, Jiang Li, Shuxun Sang, Yi Li, Yongbo Wu, Wei Zhong, Jun Hao, Junfei 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, Yong Jiu 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, Zhen Zhou, J Lu, Yue‐Qin 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, Hongwei Huang, Luquan Ren, Kun Chen, Xue Li, L Wang, Bin Yang, Mingming Zhang, Wenjun Liu, Z Lei, Dawei Wang, Jian Wang, Lang Zhou, Xinyu Shu (2022). INVESTIGATION OF CYCLIC BEHAVIOR OF FULL-SCALE TREE-LIKE HOLLOW STRUCTURAL SECTION COLUMNS WITH INFILLED CONCRETE. , DOI: https://doi.org/10.18057/icass2020.p.287.
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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.287
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