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Stability Analysis of Prestressed Cable - Supported Tank Shell Roof
- 1 College of Pipeline and Civil Engineering, China University of Petroleum(East China), Qingdao, China
- 2 College of Pipeline and Civil Engineering, China University of Petroleum(East China), Qingdao, China
- 3 College of Pipeline and Civil Engineering, China University of Petroleum(East China), Qingdao, China
* Author to whom correspondence should be addressed.
Abstract
With the growth of energy demand, storage tanks are developing towards larger capacities. During this process, the stability of latticed tank tops is facing severe challenges. Based on the dome structure formed by prestressed cables combined with single-layer spherical latticed shells used in modern architectural structures, this paper applies it to the storage tanks in the petroleum industry, forming a new type of storage tank latticed tank top structure composed of prestressed cables combined with the single-layer latticed shell of the tank top, aiming to improve the stability of the tank dome. Static and stability analyses of the storage tank latticed tank top structure are carried out from aspects such as different cable layout methods, different magnitudes and positions of prestress. The results show that the storage tank latticed tank top with prestressed cables has better performance than the traditional single-layer latticed tank top without prestressed cables in terms of displacement, internal force distribution of members, and ultimate bearing capacity under the same working load. At the same time, the influence laws of prestress magnitude and position on the storage tank latticed tank top structure are obtained, and reasonable suggestions are given.
Keywords
Single-layer spherical shell, Prestressed cable, Storage tank dome, Stability analysis
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Cite this article
Zhang,M.;Zhang,Z.;Liu,X. (2025). Stability Analysis of Prestressed Cable - Supported Tank Shell Roof. Applied and Computational Engineering,144,29-34.
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Volume title: Proceedings of the 3rd International Conference on Functional Materials and Civil Engineering
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