Estabilización de suelo arcilloso con el empleo de cal y cemento para el mejoramiento de la subrasante

Paul Daniel Velásquez-Chávez; José Martin Véliz-Rivadeneira

Authors

Velásquez-Chávez Paul Daniel Departamento de Construcciones Civiles y Arquitectura, Facultad de Ciencias Matemáticas, Físicas y Químicas, Universidad Técnica de Manabí. Portoviejo, Ecuador. https://orcid.org/0009-0008-4606-134X
Véliz-Rivadeneira José Martin Departamento de Construcciones Civiles y Arquitectura, Facultad de Ciencias Matemáticas, Físicas y Químicas, Universidad Técnica de Manabí. Portoviejo, Ecuador. https://orcid.org/0009-0001-9526-2913

Keywords:

Stabilization of clay soils, lime and cement, soil load capacity

Abstract

DOI: https://doi.org/10.46296/ig.v8i15.0249

To improve the stability of a subgrade, material was extracted from Miraflores Avenue in Portoviejo Canton and subjected to experimental testing. Tests were conducted according to the Atterberg Limits (AASHTO T-89, 2021), Modified Proctor (AASHTO T-180, 2021), and California Bearing Ratio (CBR) (AASHTO T-193, 2021) standards. The soil was treated with lime and cement in three different proportions: 2%, 4%, and 6%, and its reaction to each addition was evaluated. It was found that, from 2% to 6% of both stabilizers, the material showed a significant improvement in its geotechnical properties. In its improved state, the soil was classified as Low Plasticity Silt (LM), with a maximum dry density (MDD) of 1623 kg/m³ and an optimum moisture content (OMC) of 16.79%. The CBR test yielded a value of 26.32%, indicating a significant improvement in the soil's strength, classifying it as an excellent material for use in subgrade layers. It was observed that, as the proportion of lime and cement increased, the mechanical properties of the clayey soil improved significantly, suggesting greater stability and load-bearing capacity of the treated material.

Keywords: Stabilization of clay soils, lime and cement, soil load capacity.

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References

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