A REVIEW ON EXPERIMENTAL STUDY OF CRUMB RUBBER MODIFIED BITUMEN ON PROPERTIES OF SEMI-DENSE BITUMINOUS CONCRETE MIX

Rather Nasir
M.Tech, Department of Civil Engineering, Lovely Professional University, Kapurthala, Punjab (India), 144401, India, , IN

Arpita Saha
M.Tech, Department of Civil Engineering, Lovely Professional University, Kapurthala, Punjab (India), 144401, India, , IN

Keywords: Crumb rubber, Marshall Test, Rutting resistances, Skid resistance, ITS

Abstract

In India the actual characterization of crumb rubber modified bitumen binders has over all remained the only means of expecting their performance in pavement coats short of constructing pavement test sections and improved characterization is proved by various tests done on crumb rubber. In present world environment pollution has become an alarming issue due to the over use of resources and minerals, in light of environment pollution waste tire disposal is a serious problem so an attempt can be made to prevent this problem by using the waste rubber in the technical field and also reduces the environmental pollution and cost of pavement. Since 1870 crumb rubber is obtained from shredding of scrap tires and several studies had suggested to use 15%-20% of crumb rubber for modification of plain bitumen and got improved results like better-quality fatigue and permanent deformation characteristics. Adding crumb rubber also reduces the temperature susceptibility and greater resistance to moisture damage compared to normal mixes. In this study the main focus is to observe the performance of crumb and also to include stone dust as filler in the modified bitumen and thereby improve the performance of semi dense bituminous concrete.

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