EXPERIMENTAL STUDY ON ROLLER COMPACTED CONCRETE BY PARTIAL REPLACEMENT OF AGGREGATE WITH CRUMB RUBBER

P.Teja Abhilash
Assistant Professor, Department of Civil Engineering, KITS Warangal, India , IN

P Yashwanth kumar
Assistant Professor, Department of Civil Engineering, KITS Warangal, India , IN

Dr. P.V.V.Satyanarayana
Assistant Professor, Department of Civil Engineering, KITS Warangal, India , IN

Keywords: Crumb rubber, rigid pavement, Roller compaction, Roller compacted concrete pavement, Stone dust

Abstract

Concrete is a mixture of cement and aggregates which is widely used in construction industry. The
aggregates used for concrete are mostly natural available. The continuous usage of natural resources results in
depletion which entails the requirement of suitable substitute. In the current study, stone dust is used as fine
aggregate and aggregate portion is partially replaced with crumb rubber.The moisture content required for roller
compacted concrete is determined by Soil compaction method. Cylinders were casted with 10%, 15% & 20% cement
content varying with 0% & 1% crumb rubber as a replacement of fine aggregate and coarse aggregate. Compressive
strength was evaluated for 3,7 & 28 days. Test results depict that partial replacement of fine aggregate with crumb
rubber are satisfactory when compared to that of coarse aggregate replacement with crumb rubber.

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