Abstract            Volume:12  Issue-12  Year-2024         Original Research Articles

Online ISSN : 2347 - 3215 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcret@gmail.com

Clay soils, due to the presence of swelling minerals, are prone to shrink-swell. Soil stabilisation is commonly used to reduce this risk, especially for light, shallow constructions. In Benin, palm branches are often discarded, polluting the environment. This study examines the impact of palm fibers on the geo-mechanical properties of the soil in Igana commune in Pobè. Physical and mechanical tests were carried out. The physical tests classify this soil as A-7-5 according to the HRB classification: a clayey soil, of the very plastic, non-organic, non-inactive silt type, with a high swelling potential and a high plasticity index. The mechanical tests revealed that adding 0.30% fiber increased the compressive strength at 7 days, reaching 0.025 MPa, confirmed by the flexural test with the same fibre content. As for the other mechanical tests, we obtained a maximum value of 1.63 for 95% raw clay in the CBR test and a maximum cohesion at 0.15% palm fiber in the shear test.

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