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Computers and Concrete Volume 23, Number 4, April 2019 , pages 295-301 DOI: https://doi.org/10.12989/cac.2019.23.4.295 |
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Buckling analysis of concrete plates reinforced by piezoelectric nanoparticles |
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Reza Taherifar, Maryam Mahmoudi, Mohammad Hossein Nasr Esfahani, Neda Ashrafi Khuzani, Shabnam Nasr Esfahani and Farhad Chinaei
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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. | ||
Key Words | ||
buckling; nanocomposite concrete plate; concrete plate; Reddy theory; Halphin-Tsai model | ||
Address | ||
Reza Taherifar: Department of Civil Engineering, Meymeh Branch, Islamic Azad University, Meymeh, Iran Maryam Mahmoudi: Department of Computer Engineering, Meymeh Branch, Islamic Azad University, Meymeh, Iran Mohammad Hossein Nasr Esfahani: Department of Mathematics, Faculty of Basic Science, Meymeh Branch, Islamic Azad University, Meymeh, Iran Neda Ashrafi Khuzani: Department of Computer Engineering, Meymeh Branch, Islamic Azad University, Meymeh, Iran Shabnam Nasr Esfahani: Department of Electrical Engineering, Meymeh Branch, Islamic Azad University, Meymeh, Iran Farhad Chinaei: Department of Civil and Mineral Engineering, Meymeh Branch, Islamic Azad University, Meymeh Iran | ||