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Get Free AccessIn this paper, the behavior of high-strength concrete filled high-strength square steel tube (HCFHST) middle long columns with inner I-shaped CFRP profile under axial load was studied. The finite element analysis models were established by ABAQUS software based on reasonable material constitutive relationship models. The whole process curve of load-deformation was analyzed. In addition, effects of concrete strength, steel yield strength, slenderness ratio, steel ratio and configuration ratio of CFRP on mechanical behavior of middle long columns were studied. On the basis of the parametric analysis, the limit slenderness ratio of middle long columns was obtained. Results show that with the increase of steel yield strength, the bearing capacity increases gradually, but ductility decreases. The higher the concrete strength is, the greater the ultimate bearing capacity is. Effect of steel ratio on the ultimate bearing capacity and ductility is relatively obvious. The ultimate bearing capacity of HCFHST middle long columns with inner I-shaped CFRP profile decreases with the increase of slenderness ratio.
Qin Zhang, Hideki Moriyama, Takashi Yamaguchi, Mitsuhiro Shigeishi, Yufeng Xing, Akira Hashimoto, Hoang Nguyen, Cuong Pham, Junhe Liu, Xiang Guo, Yun Luo, Sheng Bao, Yanhong Tai, Yanzhong Tian, Xiao‐Jun Zhao, Runze Li, M Sulthana, T Supritha, Haozhe Liu, Xianlin Wang, Maofeng Yu, Binqiang Guo, Yuqing Li, Shaofei Jiang, Mao‐Sheng Ran, Fan Xiong, Y Zhong, Quan Zheng, Hongkui Deng, Xiao Hu, Zhi Li, Kaiyu Cui, Chao Wang, Sufen Chen, Zhongxu Tan, Wengang Zhang, Xu Song, Bao Meng, Chao Li, S Duan, Bin Jiang, Lei Jiang, S Sang, Yanru Wu, Wen Zhong, Hao Jiang, Jinan Ding, Zhibing Zhang, A Machowski, Mariusz Maślak, M Pazdanowski, Angle Steel, Xiaoying Li, Zhen Fang, Jianqiao Ye, Di Sun, W Yao, Xing Xu, Xin Zhao, Shi Yan, Yang Liu, Wengang Zhang, Guochang Li, Zhijian Yang (2022). FINITE ELEMENT ANALYSIS ON BEHAVIOR OF HCFHST MIDDLE LONG COLUMNS WITH INNER I-SHAPED CFRP UNDER AXIAL LOAD. , DOI: https://doi.org/10.18057/icass2020.p.033.
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Type
Report
Year
2022
Authors
64
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.18057/icass2020.p.033
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