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Experiments on Large-Diameter Welded Hollow Spherical Joint |
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| Authors: | CHEN Hai-zhong ZHU Hong-ping XIONG Shi-shu |
| Institution: | 1. School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China;Hubei Key Laboratory of Control Structure, Huazhong University of Science and Technology, Wuhan 430074, China;Architectural Design and Research Institute, Huazhong University of Science and Technology, Wuhan 430074, China 2. School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China;Hubei Key Laboratory of Control Structure, Huazhong University of Science and Technology, Wuhan 430074, China |
| Abstract: | We experimented on welded hollow spherical joint of a stadium steel roof to investigate the stress and strain distributions on the surface of the joint and determine the ultimate bearing capacity. Then, finite element analysis was made to cross-examine the experimental results. When the test load was 140% of the design load, the stress at the bottom of the fourth wimble pipe reached the yield point. The experimental results agree with the analytical results well. |
| Keywords: | Hollow spherical joint Full-scale experiment Finite element analysis Bearing capacity |
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