STUDY ON FLY ASH BASED GROUT IN CEMENT GROUTED BITUMINOUS MIX

STUDY ON FLY ASH BASED GROUT IN CEMENT GROUTED BITUMINOUS MIX
Author(s):
Mohit Sodani
Keywords:
Fly ash based cementitious grout, open graded, air void, environmentally friendly
Abstract
A Cement Grouted Bituminous Mix (CGBM) is a composite pavement made up of an open graded porous type bituminous mix having 25% to 35% of air void content and different proportions of fly ash based cementitious grout was introduced in this study. The main objective of this research is to find out the best proportion of cement and fly ash to fit for the CGBM. In this experimental study CGBM mix prepared with replacement of fly ash by 0%, 20%, 25%, 30% and 50%. Experiments on different proportions of cement and fly ash were done to know the impact of partial substitution of cement by fly ash on the characteristics of CGBM. In this research three types of experiments were carried out. They are compressive strength, Marshal Stability and Modulus of Rupture test. Based on the outcome from these experimental study found that, 75:25 mix proportion of cement and fly ash gave satisfactory results. By using fly ash in CGBM leads to decrease in cost of construction and also the CGBM pavement becomes environmental friendly as the disposal of fly ash decreases.
Article Details
Unique Paper ID: 161082 Publication Volume & Issue: Volume 10, Issue 2 Page(s): 510 - 516
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