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Valorisation de rebuts de bouteilles en verre et des cendres de bois dans la fabrication de briques en argile cuite

Abstract : Clay is a local resource, abundant but little valued in Benin. Waste recycling is nowadays a major issue at the global level. The fired clay bricks are high production tonnage materials capable of absorbing different products considered as waste. This thesis aims on the one hand the valuation of building materials locally available in Benin, including clay and secondly, the recycling of waste under construction. Thus, we propose to valorize nonrecycled glass bottles and ashes from the burning of charcoal during the preparation of meals in Benin, in the clay matrix for the preparation of cooked bricks. The goal is to highlight the ideal formulations of products that have sufficient physical and mechanical properties. Studies have shown that the 5% Benin wood ashes content and 20% crushed glass content increase the tensile strength by three-point bending without modifying the compressive strength of the Zogbodomey fired clay blocks from Seme-Podji. In addition, the addition dosage does not modify the thermal properties of the fired blocks. The use of wood ashes and glass waste as a secondary raw material in the manufacture of fired bricks is an effective alternative to land and environmental conservation, and it can be a sustainable and cost-effective solution for the building industry. These materials are then a great asset for improving the living environment in Benin.
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Submitted on : Wednesday, November 10, 2021 - 3:18:54 PM
Last modification on : Wednesday, November 10, 2021 - 3:20:37 PM


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Gbènondé Sèna Gladys Milohin. Valorisation de rebuts de bouteilles en verre et des cendres de bois dans la fabrication de briques en argile cuite. Matériaux. Université de Lorraine; Université d'Abomey-Calavi (Bénin), 2019. Français. ⟨NNT : 2019LORR0126⟩. ⟨tel-02461405⟩



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