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Erschienen in:
2021 | OriginalPaper | Buchkapitel
Stabilization of Clayey Soil Using Enzymatic Lime and Effect of pH on Unconfined Compressive Strength
verfasst von : Dani Jose, S. Chandrakaran
Erschienen in: Problematic Soils and Geoenvironmental Concerns
Verlag: Springer Singapore
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Abstract
The performance of the pavement is dependent on the type and properties of the sub-grade soil. Various techniques are used for the stabilization of sub-grade soils having inadequate properties. Combination of Enzyme and lime found to be effective in improvement of strength of the soft soils. In the present work, the behaviour of enzymatic lime stabilized soil under varying environmental conditions is analysed. An extensive study was carried out on a soil sample having pH 3, 7 and 10 using optimum dosages of lime, enzyme, and enzymatic lime. The variation in the unconfined compressive strength was investigated after 3, 7, 14 and 28 days of curing. By using enzymatic lime accelerated enhancement of properties were obtained in comparison to lime and enzyme. Enzymatic stabilization found to be suitable for all conditions of soil while lime and enzymatic lime stabilization enhance properties much better in a neutral environment than the acidic and alkaline environment.