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GEOTECHNICAL PROPERTIES OF LATERITIC SOIL STABILIZED WITH BONE ASH AND HYDRATED LIME FOR ROAD CONSTRUCTION APPLICATIONS
Abstract:
Road construction in many regions often faces challenges due to the poor engineering properties of local soils. This study investigates the utilization of bone ash and hydrated lime as stabilizers for lateritic soil to enhance its geotechnical properties for road construction applications. The aim is to improve the strength and durability of the stabilized soil, thereby providing a cost-effective and sustainable solution for road infrastructure development.
The experimental program involves laboratory tests conducted on lateritic soil samples collected from a selected site. The bone ash and hydrated lime are added to the soil at varying proportions and mixed thoroughly. The geotechnical properties of the stabilizers, as well as the stabilized soil, are evaluated through a series of tests, including compaction, unconfined compressive strength, California bearing ratio (CBR), and durability tests.
The results indicate that the addition of bone ash and hydrated lime significantly improves the geotechnical properties of the lateritic soil. The compaction characteristics demonstrate an increase in maximum dry density and a decrease in optimum moisture content with increasing stabilizer content. The unconfined compressive strength and CBR values exhibit substantial enhancements, indicating improved load-bearing capacity and resistance to deformation. Moreover, the durability test results reveal enhanced resistance to moisture-induced damage and increased stability over time.
The findings suggest that the combination of bone ash and hydrated lime effectively stabilizes lateritic soil, making it suitable for road construction applications. The utilization of these locally available and environmentally friendly stabilizers offers economic and sustainable alternatives to conventional stabilization techniques. The stabilized soil can potentially reduce the need for costly imported materials, promote resource conservation, and contribute to the development of resilient road infrastructure in regions with lateritic soil deposits.
Further research is recommended to investigate long-term performance, environmental impact, and economic feasibility aspects of the stabilized soil. Additionally, field trials and case studies are necessary to validate the laboratory findings and assess the practical applicability of bone ash and hydrated lime-stabilized lateritic soil in real road construction projects.
GEOTECHNICAL PROPERTIES OF LATERITIC SOIL STABILIZED WITH BONE ASH AND HYDRATED LIME FOR ROAD CONSTRUCTION APPLICATIONS
