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Structural Engineering and Mechanics Volume 54, Number 1, April10 2015 , pages 121-133 DOI: https://doi.org/10.12989/sem.2015.54.1.121 |
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Structural behavior of aluminum reticulated shell structures considering semi-rigid and skin effect |
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Hongbo Liu, Zhihua Chen, Shuai Xu and Yidu Bu
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| Abstract | ||
| The aluminum dome has been widely used in natatorium, oil storage tank, power plant, coal, as well as other industrial buildings and structures. However, few research has focused on the structural behavior and design method of this dome. At present, most designs of aluminum alloy domes have referred to theories and methods of steel spatial structures. However, aluminum domes and steel domes have many differences, such as elasticity moduli, roof structures, and joint rigidities, which make the design and analysis method of steel spatial structures not fully suitable for aluminum alloy dome structures. In this study, a stability analysis method, which can consider structural imperfection, member initial curvature, semi-rigid joint, and skin effect, was presented and used to study the stability behavior of aluminum dome structures. In addition, some meaningful conclusions were obtained, which could be used in future designs and analyses of aluminum domes. | ||
| Key Words | ||
| aluminum dome; structure type; stability; semi-rigid; skin effect; member initial curvature | ||
| Address | ||
| Hongbo Liu and Zhihua Chen: State Key Laboratory Of Hydraulic Engineering Simulation And Safety, Tianjin University, Tianjin 300072, China Shuai Xu and Yidu Bu: School of Civil Engineering, Tianjin University, Tianjin 300072, China | ||