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Buckling analysis of concrete plates reinforced by piezoelectric nanoparticles

  • Taherifar, Reza (Department of Civil Engineering, Meymeh Branch, Islamic Azad University) ;
  • Mahmoudi, Maryam (Department of Computer Engineering, Meymeh Branch, Islamic Azad University) ;
  • Nasr Esfahani, Mohammad Hossein (Department of Mathematics, Faculty of Basic Science, Meymeh Branch, Islamic Azad University) ;
  • Khuzani, Neda Ashrafi (Department of Computer Engineering, Meymeh Branch, Islamic Azad University) ;
  • Esfahani, Shabnam Nasr (Department of Electrical Engineering, Meymeh Branch, Islamic Azad University) ;
  • Chinaei, Farhad (Department of Civil and Mineral Engineering, Meymeh Branch, Islamic Azad University)
  • Received : 2019.01.08
  • Accepted : 2019.04.05
  • Published : 2019.04.25

Abstract

In this paper, buckling analyses of composite concrete plate reinforced by piezoelectric nanoparticles is studied. The Halphin-Tsai model is used for obtaining the effective material properties of nano composite concrete plate. The nano composite concrete plate is modeled by Third order shear deformation theory (TSDT). The elastic medium is simulated by Winkler model. Employing nonlinear strains-displacements, stress-strain, the energy equations of concrete plate are obtained and using Hamilton's principal, the governing equations are derived. The governing equations are solved based on Navier method. The effect of piezoelectric nanoparticles volume percent, geometrical parameters of concrete plate and elastic foundation on the buckling load are investigated. Results showed that with increasing Piezoelectric nanoparticles volume percent, the buckling load increases.

Keywords

References

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