Impact resistance of waste tyre rubber and silica fume-based concrete mixes
by Satnam Singh; Gurpreet Kaur
International Journal of Structural Engineering (IJSTRUCTE), Vol. 12, No. 1, 2022

Abstract: In this paper, the feasibility of using waste tyre rubber and silica fume-based concrete mix is tested for designing non-structural applications that can bear a sudden impact of specified limit. The compressive strength and impact resistance is tested for ten different concrete design mixes (as per Indian Standard Codes) in which coarse aggregates, fine aggregates and cement is replaced with varying proportions of chipper rubber (10%, 15%, 20% and 30%), crumbed rubber (10%, 20% and 30%) and silica fume (5%, 10% and 15%) respectively. The mechanism used for repeated-impact testing is manually designed using drop-weight method. The comparative analysis of compressive strength and impact resistive of proposed concrete mix is performed with conventional M20 grade concrete mix. It is observed that the compressive strength of waste tyre rubber and silica fume-based concrete mixes is lower than the conventional (M20) concrete, while the impact resistance is higher.

Online publication date: Tue, 30-Nov-2021

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