Reliability analysis of moment redistribution in reinforced concrete beams

Baji, Hassan and Ronagh, Hamid Reza (2013) Reliability analysis of moment redistribution in reinforced concrete beams. Magazine of Concrete Research, 65 13: 769-779. doi:10.1680/macr.12.00147

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Author Baji, Hassan
Ronagh, Hamid Reza
Title Reliability analysis of moment redistribution in reinforced concrete beams
Journal name Magazine of Concrete Research   Check publisher's open access policy
ISSN 0024-9831
Publication date 2013-07
Sub-type Article (original research)
DOI 10.1680/macr.12.00147
Open Access Status File (Publisher version)
Volume 65
Issue 13
Start page 769
End page 779
Total pages 11
Place of publication Westminster, London, United Kingdom
Publisher I C E Publishing
Collection year 2014
Language eng
Formatted abstract
Design codes allow a limited amount of moment redistribution in continuous reinforced concrete beams and often make use of lower bound values in the procedure for estimating the moment redistribution factors. Here, based on the concept of demand and capacity rotation, and by means of Monte Carlo simulation, a probabilistic model is derived for the evaluation of moment redistribution factors. Results show that in all considered cases, the evaluated mean and nominal values of moment redistribution factor are greater than the values provided by the ACI code. On the other hand, the 5th percentile value of moment redistribution factor could be lower than those specified by the code. Although the reduction of strength limit state reliability index attributable to uncertainty in moment redistribution factors is not large, it is comparable to the reduction in reliability index resulting from increasing the ratio of live to dead load.
Keyword High-strength concrete
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Civil Engineering Publications
Official 2014 Collection
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Citation counts: TR Web of Science Citation Count  Cited 0 times in Thomson Reuters Web of Science Article
Scopus Citation Count Cited 1 times in Scopus Article | Citations
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Created: Sun, 14 Jul 2013, 00:04:18 EST by System User on behalf of School of Civil Engineering