Techno Press
Techno Press

Computers and Concrete   Volume 20, Number 3, September 2017, pages 311-318
Investigation on the use of waste tyre crumb rubber in concrete paving blocks
R. Bharathi Murugan and C. Natarajan

Abstract     [Full Text]
    This paper investigates the utilization of waste tyre crumb rubber as the fine aggregate in precast concrete Paving block (PCPB). PCPB\'s are generally preferred for city roads, pedestrian crosswalk, parking lots and bus terminals. The main aim of this paper is to evaluate the mechanical properties of wet cast PCPB containing waste tyre crumb rubber. The mechanical properties were investigated using a density, compressive strength, split tensile strength and flexural strength tests at 7, 28 56 days according to the IS 15688:2006 and EN1338. The wet cast method was followed for producing PCPB samples. The fine aggregate (river sand) was replaced with waste tyre crumb in percentage of 5%, 10%, 15%, 20% and 25% by volume. All the test results were compared with the conventional PCPB (Without rubber). The test results indicate its feasibility for incorporating waste tyre crumb rubber in the production of PCPB by the wet cast method.
Key Words
    paving block; wet casting; crumb rubber; compressive strength; split tensile strength; flexural strength
R. Bharathi Murugan: Department of Civil Engineering, Kalasalingam University, Krishnankoil, Tamil Nadu, 626 126, India
C. Natarajan: Department of Civil Engineering, National Institute of Technology, Tiruchirappali, Tamil Nadu, 620 015, India

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