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Study of the Mechanical Characteristics of the Soils from Kenendé, Limbita 1, and Limbita 2



Author(s)

Labilé Kolie¹, Mory Berete² and Ibrahima Sory Kourouma¹

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DOI:10.17265/2161-6213/2025.1-3.002

1. Department of Civil Engineering, Gamal Abdel Nasser University of Conakry, BP 1147, Conakry (CKRY 001), Republic of Guinea
2. Department of Architecture, Higher Institute of Architecture and Urbanisation (ISAU), BP 914, Conakry (CKRY 001), Republic of Guinea

This study aims to characterize the physical and mechanical properties of the soils from the Kenendé, Limbita 1, and Limbita 2 sites, located in the Dubréka prefecture, to develop a composite construction material based on soil and plant fibers that is more resistant to climatic and environmental conditions. To achieve this, soil samples were collected and subjected to various laboratory tests. The study assessed the physical and mechanical properties of these soils to develop a composite construction material incorporating soil and plant fibers. Laboratory tests revealed variations in water absorption capacity and compressive strength depending on the applied pressure (3, 4, 5 MPa) and the sample’s condition (dry or wet). After a 30-day maturation period, Kenendé exhibited a maximum dry-state strength of 2.66 MPa, while Limbita 1 and Limbita 2 recorded 0.95 MPa and 2.57 MPa, respectively. Soils compacted under high pressure demonstrated better performance, particularly in dry conditions. These results confirm the potential of the soils from the three sites for producing durable construction materials suitable for local climatic conditions, provided they undergo appropriate treatment and maturation, thereby contributing to sustainable construction in Guinea.

Study, mechanical characteristic, soils, Kenendé, Limbita 1, Limbita 2.