Single-Side Accumulative Jacking Construction Method for Large-Span Arched Latticed Shells
Publication: Journal of Construction Engineering and Management
Volume 148, Issue 12
Abstract
For large-span spatial structures, we have been committed to exploring new effective construction methods to avoid the drawbacks of traditional construction methods. This study proposes an efficient and cost-effective construction method for large-span arched latticed shell structures. The method relies on a progressive approach working from a rotating hinge at the initial end of the latticed frame. Further segments of the lattice are connected at ground level and progressively jacked into position until the span is complete. Once complete, the span is fixed at the opposite end to the hinge. During assembly stability is provided by cables to manage the dead load thrust. In this study, the application of the new construction method in a large-span structure for coal storage is described in detail, and the structural forces and deformations in various construction steps are analyzed and discussed. Compared with traditional methods, the method requires much less scaffolding and less working at height, which could save about 70% of the construction cost and shorten the construction period by 25%. This study enriches the types of construction methods for large-span arched latticed shells, provides a new option for high-efficiency, low-cost construction of this kind of structure, and also gives a reference for future research on the innovation of construction methods.
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Data Availability Statement
Some or all data, models, or codes that support the findings of this study are available from the corresponding author upon reasonable request.
Acknowledgments
This study was financially supported by the National Natural Science Foundation of China (Grant No. 51578491) and the Funding of Center for Balance Architecture, Zhejiang University.
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© 2022 American Society of Civil Engineers.
History
Received: Mar 17, 2022
Accepted: Aug 19, 2022
Published online: Oct 14, 2022
Published in print: Dec 1, 2022
Discussion open until: Mar 14, 2023
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