The Behaviour of Rubber Tyre as Fine Aggregate in Concrete Mix

Abstract:

Usage of waste materials as concrete mixture can reduce the waste management crisis in the world. Used tyres were widely researched as an alternative source of aggregates replacement in concrete mixture. This research is to study the behaviour of concrete incorporating rubber tyre crumb as fine aggregate replacement. The workability, compression strength and water absorption of this concrete will be determined and then compared to normal concrete. Motorcycle inner tube will be used as rubber source and it will be shredded to crumbs. Three samples of concrete with rubber as fine aggregates were prepared. Rubber crumbs will be used to replace fine aggregates in 2.5, 5.0 and 7.5% in mass. Normal concrete were prepared separately as control for comparison. Concrete mixture of 1:2:4 and 0.5 of water cement ratio were used. Slump test were done to test the workability of each mix. Twelve sample cubes from (150mm x 150mm x 150mm) each mix were prepared and cured for 7, 14 and 28 days. Compression tests were performed for each mix cube at age 7, 14 and 28 days. Water absorption test were done at age 28 days. Results revealed that rubberized concrete has better workability than normal concrete. They also have smaller compressive value and higher water absorption compared to normal concrete.

• Periodical: Applied Mechanics and Materials (Volumes 754-755)
• Pages: 427-431
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.754-755.427
• Online since: April 2015
• Authors: Shamshinar binti Salehuddin, Nur Liza Rahim, Norlia Mohamad Ibrahim, Siti Aza Nurdiana Tajri, Mohd Zuhaidi Zainol Abidin
• Keywords: Concrete Mix, Crumb Rubber Tyre, Replace Fine Aggregate

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