Effect of Polypropylene Fiber Inclusion and Flyash on the Strength and Volume Change Characteristics of Soil

Abstract

In this Investigation attempt has been made to use PPF and Flyash for Stabilization of Cllayey soil. Following points are observed after performing numerous experiments.  The optimum quantity of FA that can be added to clay soil to obtain the best result is 12.5 %. Using this quantity the structure is economical. The compressive strength increases up to 2.0 % of Polypropylene fibre and a percentage increase of 23.08 % has been obtained. The maximum value of Unsoaked CBR (10.02) and soaked CBR (8.56) is obtained at 2.0 % of Polypropylene fibre. Thus there is an increase of CBR about 17.06 % has been obtained at 2.0 % of plastic content. Free Swell index of parent soil is more compared to mixed soil.