International Journal of Advanced Materials Research
Articles Information
International Journal of Advanced Materials Research, Vol.6, No.4, Dec. 2020, Pub. Date: Nov. 27, 2020
Elaboration and Characterization of Facing Blocks Made of Laterite and Cement: Influence of Cement on Strength
Pages: 48-53 Views: 1125 Downloads: 290
Authors
[01] Aka Alexandre Assande, Laboratory of Soils, Water and Geomaterials, Félix Houphouët Boigny University, Cocody-Abidjan, Ivory Coast.
[02] Brahiman Traore, Laboratory of Soils, Water and Geomaterials, Félix Houphouët Boigny University, Cocody-Abidjan, Ivory Coast.
[03] Souleymane Ouattara, Laboratory of Soils, Water and Geomaterials, Félix Houphouët Boigny University, Cocody-Abidjan, Ivory Coast.
[04] Koffi Clement Kouadio, Laboratory of Soils, Water and Geomaterials, Félix Houphouët Boigny University, Cocody-Abidjan, Ivory Coast.
[05] Mamery Serifou, Laboratory of Soils, Water and Geomaterials, Félix Houphouët Boigny University, Cocody-Abidjan, Ivory Coast.
[06] Moro Olivier Boffoue, Laboratory of Soils, Water and Geomaterials, Félix Houphouët Boigny University, Cocody-Abidjan, Ivory Coast.
[07] Edjikeme Emeruwa, Laboratory of Soils, Water and Geomaterials, Félix Houphouët Boigny University, Cocody-Abidjan, Ivory Coast.
Abstract
Lateritic soils are found in practically all regions of the country in Côte d'Ivoire. In order to produce quality materials with these laterites, that of Dabou was used and stabilized with Portland cement. Characterization tests on the briquettes thus produced revealed that the ideal cement content for which the briquettes can be used in construction is 20%. At this content, they have flexural strengths of 3.5 MPa dry and 2.5 MPa wet much higher than the standard (greater than or equal to 0.6 MPa). The incorporation of Portland cement into the laterite makes it possible to limit the dimensional variations linked to the departure of excess mixing water. Cement also improves the strength of facing blocks to water absorption and surface wear. In terms of wear strength, the cement content which allows the facing blocks to hold well in accordance with the standard and other factors is 20%. The presence of cement in contents greater than 10% allows, through its crystallization, the formation of cement hydrates which will occupy the spaces left free between the laterite particles, which gives good cohesion between the particles. These results confirm once again that the laterite-cement facing blocks can be used in construction with 20% cement.
Keywords
Laterite, Portland Cement, Crystallization, Facing Blocks, Strength
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