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International Journal of Innovation and Scientific Research
ISSN: 2351-8014
 
 
Saturday 18 May 2024

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Influence of agricultural waste additives on the mechanical performance and water sensitivity of cement-stabilized compressed earth blocks: Case of Parkia biglobosa pods


Volume 70, Issue 1, December 2023, Pages 27–36

 Influence of agricultural waste additives on the mechanical performance and water sensitivity of cement-stabilized compressed earth blocks: Case of Parkia biglobosa pods

Sokohou Josué Yokopi1, Kinda Hannawi2, Valery Doko3, Aveline Darquennes4, and Edmond Codjo Adjovi5

1 Department of Civil Engineering, Université d’Abomey-Calavi, Benin
2 Department of Civil Engineering Université Nationale de Rennes, INSA Rennes, EA 3913, F-35000 Rennes, France
3 Department of Civil Engineering, Université d’Abomey-Calavi, Benin
4 Department of Civil Engineering Université Nationale de Rennes, INSA Rennes, EA 3913, F-35000 Rennes, France
5 Department of Civil Engineering, Université Nationale des Sciences Technologies Ingénieries et Mathématiques (UNSTIM), Benin

Original language: English

Copyright © 2023 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Cement-stabilized natural clay soils can be combined with agricultural waste decoction to improve the mechanical performance and water resistance of compressed earth bricks. The aim of this study is to investigate the mechanical performance and durability of cement-stabilized compressed earth bricks with the addition of agricultural waste in the form of decoction in order to promote an environmentally-friendly material in the building sector. Based on an experimental campaign, mechanical properties such as modulus of elasticity, flexural strength and compressive strength, as well as durability (open porosity and capillary water absorption), were studied for these bricks. The results show that these properties are influenced by the nature of the soils used, as well as by other parameters studied in this work, such as the percentage of cement and the percentage of Parkia biglobosa pod decoction. Indeed, the addition of 8% cement with at least 10% Parkia biglobosa pod decoction proved beneficial for optimum performance. Moreover, according to criteria such as total open porosity and capillary water absorption, the durability of this material improves with an increase in cement percentage and the addition of at least 10% tannin-rich Parkia biglobosa pod decoction. The use of these waste products (Parkia biglobosa pods) in compressed bricks therefore seems beneficial in terms of improving their mechanical performance, reducing their sensitivity to water and helping to preserve the environment.

Author Keywords: Clay soil, CEB, pod decoction, sustainability, environment.


How to Cite this Article


Sokohou Josué Yokopi, Kinda Hannawi, Valery Doko, Aveline Darquennes, and Edmond Codjo Adjovi, “Influence of agricultural waste additives on the mechanical performance and water sensitivity of cement-stabilized compressed earth blocks: Case of Parkia biglobosa pods,” International Journal of Innovation and Scientific Research, vol. 70, no. 1, pp. 27–36, December 2023.