Evaluating the Characteristics of Stone Mastic Asphalt by Using Natural Fibers and Filler
K. Prasad, B. Mahesh, P. Srikanth, M. Praveen, M. Aravind, M. Srikar
SMA Mix, Marshall Test, Binder, Filler, Stability and Flow value.
-In India most of the case the roads are developed by using asphalt materials and its mixtures. Because of using asphalt materials and mixes its durability and performance has improved. Asphalt roads are suitable for repair works to improve its life span. The Stone Mastic Asphalt (SMA) mix is mostly suitable for asphalt mixtures. SMA is used firstly in European countries. SMA is a gap graded mix consisting of crushed stone as coarse aggregate, different grades of bitumen as binder, both natural and artificial fibers as stabilizers and crushed rock powder, cement, and quarry waste as fillers are used. For developing country like India has to implement some new techniques and adopting new materials for asphalt mixes can reduce the cost and improve the durability and performances. There are different waste materials are available in India like coconut shells, coconut fiber and sugarcane fiber these can be used as fillers like coconut shell charcoal powder and fibers can be used as stabilizers these techniques can reduce the cost. In this project work our main objective is to determine the characteristics of SMA Mix prepared by using different fillers of coconut shell charcoal powder, stone dust, Portland cement and fly ash are combined with two different fibers of coconut fiber and sugarcane fiber. These samples are prepared by adopting different proportions in filler content and binder content. The filler content is increased by 0.5% from 12% to 13% simultaneously the binder content is also increased by 0.5% for each proportion from 6% to 7%. From this, total 3 types of proportions have introduced and their properties are to be evaluated. The Stability and Flow values are to be determined by Marshall Test. By this work we must check the suitability of natural materials and also the performance of each mix.
Article Details
Unique Paper ID: 158779

Publication Volume & Issue: Volume 9, Issue 10

Page(s): 711 - 716
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