Corresponding Force Matrix: A Bridge Connecting Refined Analysis and Reinforcement Design of Box-section Girders Based on Shells
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Bibliographic Details
| Author(s): |
Yu Zhang
(Shandong University, Jinan, Shandong Province, China)
Haili Jiang (Shanghai Road and Bridge Group Co., Ltd., Shanghai, China) Dong Xu (Tongji University, Shanghai, China) |
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| Medium: | conference paper | ||||
| Language(s): | English | ||||
| Conference: | IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022 | ||||
| Published in: | IABSE Congress Nanjing 2022 | ||||
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| Page(s): | 483-489 | ||||
| Total no. of pages: | 7 | ||||
| DOI: | 10.2749/nanjing.2022.0483 | ||||
| Abstract: |
Benefitting from the development of computing power, box girders can be analysed in a more refined way by discretizing cross-sections into shell elements. However, how to take full advantage of the analysis results in the reinforcement design process remains a problem. To solve this problem, the concept of “corresponding force matrix” is proposed in this paper. The matrix has 6 columns corresponding to the key unit force resultants of a specified location, and 12 rows corresponding to all the possible unfavourable cases. For each row, only one force resultant reaches its maximum (or minimum) under loads while the others take the corresponding values. Then the construction method of the proposed matrix under live loads and load combinations is described, respectively. After that, two reinforcement design methods with the use of the matrix were introduced and compared. Finally, discussions and preliminary conclusions are made. |
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| Keywords: |
shells concrete bridges reinforcement design box-section sandwich model corresponding force matrix
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| Copyright: | © 2022 International Association for Bridge and Structural Engineering (IABSE) | ||||
| License: | This creative work is copyrighted material and may not be used without explicit approval by the author and/or copyright owner. |
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