Coupled systems mechanics

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Thermomechanics failure of RC composites: computational approach with enhanced beam model

  • Ngo, Minh (Ecole Normale Superieure, Laboratory of Mechanics and Technology-Cachan) ;
  • Ibrahimbegovic, Adnan (Ecole Normale Superieure, Laboratory of Mechanics and Technology-Cachan) ;
  • Brancherie, Delphine (Universite de Technologie de Compiegne, Laboratory Roberval)
  • Received : 2014.01.22
  • Accepted : 2014.02.27
  • Published : 2014.03.25
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Abstract

In this paper we present a new model for computing the nonlinear response of reinforced concrete frame systems subjected to extreme thermomechanical loads. The first main feature of the model is its ability to account for both bending and shear failure of the reinforced concrete composites within frame-like model. The second prominent feature concerns the model capability to represent the total degradation of the material properties due to high temperature and the thermal deformations. Several numerical simulations are given to confirm these capabilities and illustrate a very satisfying model performance.

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References

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