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Computers and Concrete
  Volume 1, Number 1, February 2004 , pages 99-113
DOI: https://doi.org/10.12989/cac.2004.1.1.099
 


Nonlinear finite-element analysis of structural-concrete members under sequential loading and exhibiting points of inflection
I. Jelic, M. N. Pavlovic and M. D. Kotsovos

 
Abstract
    The article reports data on, and numerical modelling of, beams exhibiting points of inflectionrnand subjected to sequential loading. Both tests and analysis point to inadequacies in current codes ofrnpractice. An alternative design methodology, which is strongly associated with the notion that contraflexurernpoints should be designed as \"internal supports\", is shown to produce superior performance even though itrnrequires significantly less secondary reinforcement than advocated by codes.rn
 
Key Words
    structural concrete; nonlinear finite-element modelling; points of inflection; sequential loading;
 
Address
I. Jelic; Arup, 155 Avenue of the Americas, New York 10013 USArnM.N. Pavlovic; Department of Civil and Environmental Engineering, Imperial College, London SW7 2AZ, UKrnM.D. Kotsovos; Department of Civil Engineering, National Technical University of Athens, Zographou, Athens 15780, Greecern
 

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