RESEARCH ARTICLE


Study of Thermal and Physical Mechanic Properties of CEB-reused PET



María Eugenia Molar-Orozco1, Libertad Muñoz-Jiménez1, Josué Francisco Pérez-Sánchez2, Jorge Luna-Domínguez3, *, Edgardo J. Suarez-Dominguez2, #
1 Faculty of Architecture, Autonomous University of Coahuila, Ciudad Universitaria, Fundadores. Km13, Zona Centro, 25350, Arteaga Coahuila, Mexico
2 Research Centre, Faculty of University, Design and Urbanism, Autonomous University of Tamaulipas, Circuito Universitario S/N Centro Universitario Sur, Tampico, Tamaulipas, CP 89000, Mexico
3 Facultad de Odontología, Autonomous University of Tamaulipas, Circuito Universitario S/N Centro Universitario Sur, Tampico, Tamaulipas, CP 89000, Mexico


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Creative Commons License
© 2024 The Author(s). Published by Bentham Open.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Research Centre, Faculty of University, Design and Urbanism, Autonomous University of Tamaulipas, Circuito Universitario S/N Centro Universitario Sur, Tampico, Tamaulipas, CP 89000; E-mail: Edgardo.suarez@uat.edu.mx
#This author contributed equally to this work


Abstract

Introduction

Currently, housing is a necessity in Mexico, considered a national problem that must be addressed through adequate housing proposals. The earth is a material that has worked since ancient times to produce structural elements, presenting advantages mainly in the areas near the site where housing is required due to availability as well as use strategies. On the other hand, it is known that the continuous increase of waste derived from polymers such as PET requires reuse strategies to reduce the environmental impact.

Materials and Methods

This paper, it is presents the analysis of compressed earth bricks with soil from Saltillo, Coahuila, Mexico, which has been produced dosed and undipped with PET shrapnel obtained from reused waste, characterizing its mechanical and thermal properties in addition to electron microscopy and scanning analysis tests.

Results

From the results obtained, it is observed that there is a 5% reduction in the mechanical resistance to compression, but without a significant difference in water absorption. Thermal diffusivity is also greatly improved.

Conclusion

Scanning Electron Microscopy (SEM) analysis results show that high compression can compact PET back to its original shape by removing stress, which can produce micro-cracks, which explains the compressive strength changes.

Keywords: CEB production, PET in earth bricks, SEM analysis in adobe, Earth architecture, Sustainability, Earth blocks.