EXPERIMENTAL INVESTIGATION OF EXPANSIVENESS SOIL BY USING FLY ASH AND POLYPROPYLENE FIBRE

Civil Engineering

In Indian economy the infrastructure is the major sector in which overall development is going on. the expensive soil are causing number of damages to the structures as compare to other natural hazards. Thus, worldwide these soils are considered to be problematic soil so, as to utilized these soil in effective way, proper treatment to the soil is required, with the same intention, an attempt is made to modify engineering properties of black cotton soil by using fly ash and various percentage of polypropyl-ene fibres. The Atterdberg’s limit, Califor-nia Bearing Ratio (C.B.R.), Unconfined Compressive Strength (U.C.S.) tests were carried out on the samples of soil with fly ash and polypropylene fibre and the sam-ples are tested after 3days, 7 days and 14 days. Fly ash added to the soil in dry state in constant percentage (by weight) 15% and polypropylene fibres in 0%, 0.5%, 1.0%, 1.5 %. Comparisons of these admix-tures are done on the basis of test results obtained.

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