Optimal Adaptation of the Use Conditions of Lateritic Soils in Flexible Pavements from Laboratory to the Construction Site

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Optimal Adaptation of the Use Conditions of Lateritic Soils in Flexible Pavements from Laboratory to the Construction Site

June 23, 2021 Environment and Earth Science 0

This study is carried out in a dynamic of valorization to appreciate the coarse elements influence of the gravel lateritic soils on the pavement behavior. The material includes not only the 0/20 mm granular particles specified in the specifications and tested in the laboratory, but also all of the material used on construction sites. To meet this challenge, geotechnical characterization relied on five differentiated granular classes with diameters of 0/20, 0/25, 0/31.5, 0/40, and 0/63 mm. The 0/40 mm sample has the best compaction aptitude, while the 0/31.5 mm sample has the highest bearing strength and a good Optimum Moisture Content. The material is usable up to the subbase layer, depending on the requirements and bearing strengths, and its behavior is determined by the texture’s grain size.

Author(s) Details

Baye Oumar Diop
École Supérieure Polytechnique, Université Cheikh Anta Diop, Dakar, B.P. 10700 Dakar, Senegal.

Ignace Gbaguidi
Institut des Sciences de la Terre, Faculté des Sciences et Techniques, Université Cheikh Anta Diop, Dakar-Fann, B.P. 05396 Dakar, Senegal.

Papa Goumbo Lo
Institut des Sciences de la Terre, Faculté des Sciences et Techniques, Université Cheikh Anta Diop, Dakar-Fann, B.P. 05396 Dakar, Senegal and Centre Expérimental de Recherches et d’Études pour l’Équipement (CEREEQ), Dakar-Hann, Sénégal, B.P. 189 Dakar, Senegal.

Aminata Cisse
AGEROUTE-Sénégal, Fann Résidence – BP 25 242 Dakar, Senegal.

Seynabou Sène
Centre Expérimental de Recherches et d’Études pour l’Équipement (CEREEQ), Dakar-Hann, Sénégal, B.P. 189 Dakar, Senegal.

Makhaly Ba
UFR Sciences de l’Ingénieur, Université de Thiès, Sénégal, BP: 967 Thiès, Senegal.

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