Treating weak or unstable soil with materials like lime or cement to make it strong enough to build on.
The process of improving the engineering properties of weak or unsuitable soils through physical, chemical, or mechanical means to make them suitable for construction. Common methods include lime treatment (for expansive clays), cement stabilization, fly ash treatment, and geosynthetic reinforcement. Stabilization can allow construction on soils that would otherwise require removal and replacement.
Three percent lime treatment of the subgrade clay soils reduced the plasticity index sufficiently to allow paving without full depth replacement.
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