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Get Free AccessTo investigate the influence of eccentricity ratio and slenderness ratio on the mechanical properties of eccentric compressed concrete filled steel tubular (CFST) lattice column, the ultimate bearing capacity tests of 20 K shape arrangement lacing strip of four-tube CFST columns were conducted. Based on the stress-strain relationship of CFST and the influence of shear deformation, the equilibrium equation of the mid-section is established and a numerical method for the ultimate bearing capacity of CFST lattice column is proposed. The slenderness reduction coefficient calculation model and equivalent slenderness ratio formula of CFST lattice column are established. Combined with the numerical results and the slenderness ratio reduction coefficient calculation model, the formula of slenderness ratio reduction coefficient is put forward. The comparison between theoretical analysis and experimental results shows that the calculation method of elastic-plastic ultimate bearing capacity of CFST lattice column proposed in this paper is quite accurate. The research outcomes can provide a reference for the application of CFST lattice column and revision of current specifications.
L Wang, Huiying Liu, Hongnian Dong, X Liu High, Wang We, A Sharhan, Ershun Du, Xiao Gang Hu, Zonghui Zhou, J Lu, Yue Tang, A Abdelrahman, M Ghannam, S Lotfy, Mohammad AlHamaydeh, Xueyu Xiong, F Nkuichou, T Wang, M Ma, K Du Corrosion, Na Wang, Jianmin Hua, Xiaolong Xue, Qinghua Huang, Fei Wang, Hongwei Huang, L Ren, Kun Chen, Xue Li, Bin Yang, Meng Zhang, Wenjun Liu, Z Lei, Dawei Wang, Ji Wang, Lang Zhou, Xinyu Shu, Cross-Sections Zhang, Leroy Gardner, C Buchanan, Dave Chan, Weichao Sun, Yu Wang, F. Lu, Bin Luo, Zhifu Zhang, D Ye, Guoqiang Li, Rui Li, Zhicheng Yang, Shell Reticulated, Yu Chen, Fang Huang, Xiang Zhang, Zeyang Yu, Rui Guo, Yang Du, L Zhong, Y Ping, Cheng Fang, Yu Chen, Yahong Ding, Mehmet Soy, Michael T. Tang, Wei Zhang, Xinhua Yang, Fen Lin, Chuang Liu, Jing Qi, Wang Zhou, Wei Shi, Zhi Huang (2022). CALCULATION METHOD OF ULTIMATE LOAD BEARING CAPACITY OF CONCRETE FILLED STEEL TUBULAR LATTICE COLUMNS. , DOI: https://doi.org/10.18057/icass2020.p.095.
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Type
Report
Year
2022
Authors
72
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.18057/icass2020.p.095
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