Abstract
Possessing the unique and highly valuable properties, graphene sheets (GSs) have attracted increasing attention including that from the building engineer due to the fact that Graphene can be utilized to reinforce concrete and other building materials. In this work, the nonlocal elastic theory and classical plate theory (CLPT) are used to derive the governing equations. The element-free framework for analyzing the buckling behaviors of double layer circular graphene sheets (DLCGSs) relying on an elastic medium is proposed. Pasternak-type model is adopted to describe the elastic medium. Accordingly, the influences of boundary conditions, size of GSs and nonlocal parameters on the buckling behavior of DLCGSs are investigated. The results show that the OP buckling modes are only sensible to the van der Waals forces.
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Foundation item: Project(30917011339) supported by the Fundamental Research Funds for the Central Universities, China; Project(BK20170820) supported by the Natural Science Foundation of Jiangsu Province, China; Projects(61472267, 71471091, 71271119) supported by the National Natural Science Foundation of China; Project(17KJD110008) supported by the Natural Science Fund for Colleges and Universities in Jiangsu Province, China; Project(BE2017663) supported by the Key Research & Developement Plan of Jiangsu Province, China
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Wu, Zt., Hu, Fy., Zhang, Y. et al. Mechanical analysis of double-layered circular graphene sheets as building material embedded in an elastic medium. J. Cent. South Univ. 24, 2717–2724 (2017). https://doi.org/10.1007/s11771-017-3684-5
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DOI: https://doi.org/10.1007/s11771-017-3684-5