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System reliability-based design of steel-concrete composite frames with CFST columns and composite beams
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Tran, Hau, Thai, Huu-Tai, Uy, Brian, Hicks, Stephen J. and Kang, Won-Hee (2022) System reliability-based design of steel-concrete composite frames with CFST columns and composite beams. Journal of Constructional Steel Research, 194 . 107298. doi:10.1016/j.jcsr.2022.107298 ISSN 0143-974X.
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Official URL: http://dx.doi.org/10.1016/j.jcsr.2022.107298
Abstract
This paper presents an effective reliability analysis procedure and proposes the system resistance factors for the system design of steel-concrete composite frames that comprise of concrete-filled steel tubular (CFST) columns and composite beams. Advanced analysis is employed to predict the ultimate resistance of frames using fibre beam-column elements in OpenSees. The obtained predictions of the load-carrying capacity of frames compare well with experimental results with the mean value of the test-to-prediction ratio around 1.027 and the coefficient of variation (CoV) of 8.4%. Both Monte Carlo (MC) and subset simulations are used in the reliability analysis. The uncertainties of model error, geometric and material properties, and external loads are included to predict the system reliability index. Five different frame configurations are considered. The results of the reliability analysis show that the system resistance factors for both US and AS codes are quite similar. In the case of gravity load, the system resistance factor is from 0.78 to 0.90, whilst this value for the case of combined wind and gravity load is from 0.8 to 0.95. The resistance factors suggested herein become valuable reference information for the system design of composite frames.
Item Type: | Journal Article | ||||||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||||
Library of Congress Subject Headings (LCSH): | Columns, Concrete, Concrete-filled tubes, Structural analysis (Engineering) -- Mathematical models, Tubes, Steel, Composite construction | ||||||||||
Journal or Publication Title: | Journal of Constructional Steel Research | ||||||||||
Publisher: | Elsevier Ltd. | ||||||||||
ISSN: | 0143-974X | ||||||||||
Official Date: | July 2022 | ||||||||||
Dates: |
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Volume: | 194 | ||||||||||
Number of Pages: | 19 | ||||||||||
Article Number: | 107298 | ||||||||||
DOI: | 10.1016/j.jcsr.2022.107298 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||
Date of first compliant deposit: | 9 May 2022 | ||||||||||
Date of first compliant Open Access: | 10 May 2022 | ||||||||||
RIOXX Funder/Project Grant: |
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