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Analytical Modeling of the Bending Behavior of Plaster/Cork Functionally Graded Core Sandwich Beams: Analysis and Experimental Validation

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Iranian Journal of Science and Technology, Transactions of Mechanical Engineering Aims and scope Submit manuscript

Abstract

An analytical modeling to predict the bending behavior of functionally graded core sandwich beams designed with plaster and cork inclusion core and polymer skins is carried out within the framework of the present study. In addition, a microscopic analysis of the beams core using scanning electron microscope (SEM) was conducted in order to better understand the microstructural material degradation and the interaction of the cork aggregates within the plaster matrix. Accordingly, the main objective of this work is to complement the experimental observations through a theoretical prediction using high-order beam theories. In this respect, the originality of this study is to confront the modeling based on different material laws of functionally graded material (FGM)-based sandwich beams advocated in the literature to the experimental observations. Therefore, the emphasized results in terms of deflection, stiffness and stresses are compared with a good agreement to the experimental data and the advocated laws of the normalized standards. As main findings, the outcomes analysis provides a practical validated equations enabling reliable prediction of the elastic flexural response of plaster/cork FGM core sandwich beams.

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Authors and Affiliations

  1. Laboratory of Construction Engineering and Architecture (LGCA), University of Bejaia, 06000, Bejaia, Algeria

    Sara Medjmadj & Abdelmadjid Si Salem

  2. Laboratory L2MSGC, University Mouloud Mammeri of Tizi Ouzou, 15000, Tizi Ouzou, Algeria

    Souad Ait Taleb

  3. Civil Engineering Department, University Mouloud Mammeri of Tizi Ouzou, 15000, Tizi Ouzou, Algeria

    Souad Ait Taleb & Abdelmadjid Si Salem

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  1. Sara Medjmadj
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  2. Souad Ait Taleb
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  3. Abdelmadjid Si Salem
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Correspondence to Sara Medjmadj.

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Medjmadj, S., Ait Taleb, S. & Si Salem, A. Analytical Modeling of the Bending Behavior of Plaster/Cork Functionally Graded Core Sandwich Beams: Analysis and Experimental Validation. Iran J Sci Technol Trans Mech Eng (2023). https://doi.org/10.1007/s40997-023-00732-z

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