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System reliability evaluation of steel frames with semi-rigid connections
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Thai, Huu-Tai, Uy, Brian, Kang, Won-Hee and Hicks, Stephen J. (2016) System reliability evaluation of steel frames with semi-rigid connections. Journal of Constructional Steel Research, 121 . pp. 29-39. doi:10.1016/j.jcsr.2016.01.009 ISSN 0143974X.
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Official URL: http://dx.doi.org/10.1016/j.jcsr.2016.01.009
Abstract
This paper presents an accurate and efficient numerical procedure for evaluating the system reliability of steel frames with semi-rigid connections. The ultimate strength and behaviour of the frame were predicted using a refined plastic hinge model due to its computational efficiency, whilst the nonlinear behaviour of semi-rigid connections was captured using a three-parameter power model. The statistical properties for the three parameter power model were obtained based on available experimental results. The sensitivity of reliability to the model error was also studied. Monte Carlo simulation was used to estimate the probability of failure and the reliability index of a system. Two example frames subjected to combined gravity and wind loads were examined and their system reliability indices for both strength and serviceability limit states were evaluated based on the randomness in loadings, material and geometric properties and semi-rigid connections. The results indicate that the frame reliability is strongly affected by semi-rigid connections.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Journal or Publication Title: | Journal of Constructional Steel Research | ||||||||
ISSN: | 0143974X | ||||||||
Official Date: | June 2016 | ||||||||
Dates: |
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Volume: | 121 | ||||||||
Page Range: | pp. 29-39 | ||||||||
DOI: | 10.1016/j.jcsr.2016.01.009 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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