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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

Activities and intrinsic properties of the clayey fines four lateritic gravels

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  • Activities and intrinsic properties of the clayey fines four lateritic gravels

Sorel Gael Dzaba Dzoualou 1, Louis Ahouet 1, 2, 3, * and Sylvain Ndinga Okina 1, 2

1 Department of Civil Engineering, Higher Institute of Architecture, Urbanism, Building and Public Works, Denis Sassou Nguesso University, Congo.
2 Department of Civil Engineering, Higher National Polytechnic School (ENSP), Marien Ngouabi University – Brazzaville, Congo.
3 Geotechnics Department, Control Office for Building and Public Works (BCBTP) – Brazzaville, BP 752, Congo.
 
Research Article
World Journal of Advanced Research and Reviews, 2023, 19(03), 1020-1034
Article DOI: 10.30574/wjarr.2023.19.3.1936
DOI url: https://doi.org/10.30574/wjarr.2023.19.3.1936
 
Received on 14 August 2023; revised on 20 September 2023; accepted on 23 September 2023
 
The aim of this study was to identify, classify and characterize the activities and correlations between the intrinsic properties of the four lateritic gravels used in construction. The grading curves of the four lateritic gravelly are spread out, but poorly calibrated. Lateritic gravel LG1 contains class B5 silty fines with low plasticity and low swelling. Lateritic gravels LG2, LG3 and LG4 contain clayey fines of low plasticity and medium swelling, class B6. The specific surface area and cation exchange capacity depend on the mineralogy, organic composition and texture of the lateritic gravel. The blue value of the soil characterizes the activity of the clay fines and reflects the surface activity of the lateritic gravels. The four lateritic gravels are inactive and contain minerals (kaolinite, quartz, goethite, hematite). The correlations obtained between the intrinsic properties are linear fits and between the liquidity limit and the specific surface area a non-linear fit of the ExpDec1 model with R2 (0.99). The relationship between activity and surface activity is simply the relative activity.
 
Activity; Specific Surface Area; Cation Exchange Capacity; Mineralogy; Atterberg Limit; CBR
 
https://wjarr.com/sites/default/files/fulltext_pdf/WJARR-2023-1936.pdf

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Sorel Gael Dzaba Dzoualou, Louis Ahouet and Sylvain Ndinga Okina. Activities and intrinsic properties of the clayey fines four lateritic gravels. World Journal of Advanced Research and Reviews, 2023, 19(3), 1020-1034. Article DOI: https://doi.org/10.30574/wjarr.2023.19.3.1936

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