Analysis of Soil-Cement Mixture for Ground Improvement

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Abstract:

The main principle of any ground improvement technique is to improve the engineering properties of soil, enhance its stability and amplify its bearing capacity. Soil-cement columns by deep soil mixing for enhancing the properties of low relative density soil, is one such ground improvement technique. In the present study, load carrying capacities of soil cement column were analysed. Two different soils with low relative density from Dahisar River Mumbai and Tapi River, Gujarat were mixed with OPC 53 grade cement. Soil cube samples were prepared by varying water cement ratio and cement content. Cement dosages of 275Kg/m3; 325Kg/m3; 375Kg/m3; 425Kg/m3 were taken at varying water cement ratio of 0.2, 0.3, and 0.4. After curing, the soil cement cube samples were tested at 7 days and 28 days unconfined compressive strength. The results showed that the compressive strength of both the soil samples improved with cement content. An optimum compressive strength was achieved at water cement ratio 0.4% and cement dosage of 425Kg/m3.

RASHMI; Mrs. RASHMI PATEL

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