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eISSN: 2581-9615 || CODEN: WJARAI || Impact Factor 8.2 ||  CrossRef DOI

Research and review articles are invited for publication in March 2026 (Volume 29, Issue 3) Submit manuscript

Investigation of the effects of fine dune sand on the geotechnical characteristics of lateritic soil

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  • Investigation of the effects of fine dune sand on the geotechnical characteristics of lateritic soil

Nafissatou SAVADOGO 1, Yasmine Binta TRAORE 1, *, Wendpagnangdé Ismaël KABORE 1, Abdou LAWANE GANA 2 and Philbert NSHIMIYIMANA 2

1 Université Yembila Abdoulaye TOGUYENI (UYAT) (ex université de Fada N’Gourma), Ecole Supérieure d’Ingénierie (ESI), Département de Génie Civil, BP54 Fada N’Gourma, Burkina Faso.
2 Institut International d’Ingénierie de l’Eau et de l’Environnement (Institut 2iE), Laboratoire Eco-Matériaux et Habitats Durable (LEMHaD), Rue de la Science, Ouagadougou 01, Burkina Faso.
 
Research Article
World Journal of Advanced Research and Reviews, 2024, 23(01), 1065-1074
Article DOI: 10.30574/wjarr.2024.23.1.1948
DOI url: https://doi.org/10.30574/wjarr.2024.23.1.1948
 
Received on 02 April 2024; revised on 10 June 2024; accepted on 12 July 2024
 
Lateritic gravels are highly favored as a construction material for road pavements in Africa. With the rise in road construction projects and subsequent increase in traffic and overloading, the required physical and mechanical properties of lateritic gravels have become more stringent. However, the desirable qualities of these materials are diminishing, and their exploitation will soon become an environmental problem. This study aims to enhance the physico-mechanical properties of the remaining lateritic gravels by incorporating fine dune sand sourced from Dori, in the Sahelian region in Burkina Faso. This lithostabilization was made by formulating mixtures with varying proportions of fine sand (10%, 20%, and 30% by weight). Then, the influence of sand content on the physico-mechanical behavior of lateritic gravels from two sites (Kamboinsin and Saaba) was examined. Results indicate a significant reduction in the plasticity index and an increase in optimal dry density with the addition of sand. Moreover, the California Bearing Ratio (CBR) index substantially improves, particularly with 30% sand content, making laterite from Saaba (LS) suitable as a base layer for road pavement according to CEBTP standards.
 
Road Pavement; Lateritic Gravel; Lithostabilization; Fine Dune Sand; Physical-Mechanical Properties.
 
https://wjarr.com/sites/default/files/fulltext_pdf/WJARR-2024-1948.pdf

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Nafissatou SAVADOGO, Yasmine Binta TRAORE, Wendpagnangdé Ismaël KABORE, Abdou LAWANE GANA and Philbert NSHIMIYIMANA. Investigation of the effects of fine dune sand on the geotechnical characteristics of lateritic soil. World Journal of Advanced Research and Reviews, 2024, 23(1), 1065-1074. Article DOI: https://doi.org/10.30574/wjarr.2024.23.1.1948

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