Stimulus on strength and durability of granite powder in the waste-based masonry units with copper slag and crumb rubber as partial substitute of fine aggregate Online publication date: Fri, 01-Jul-2022
by S. Praburanganathan; S. Chithra
International Journal of Masonry Research and Innovation (IJMRI), Vol. 7, No. 4, 2022
Abstract: In this research, an extensive experiment was made to utilise industrial waste rejects for the production of bricks via a pressing technique in a factory-controlled environment. A total of 650 bricks were cast and each brick's recipe consists of a fixed percentage of primary raw materials akin to lime and gypsum. Along with granite powder as partly substituted for fly ash composed with copper slag and crumb rubber as a partial replacement with stone dust were used in different percentages. A range of mechanical, durability, morphology, FTIR and UPV studies are presented. The investigations reveal that the bricks of a prototype mix design using granite waste and copper slag using an optimum percentage of fly ash and lime-gypsum binder provide better strength and durability. The advantage of the proposed bricks is twofold: having utilised sustainable wastes make an eco-friendly product; the developed product can be used for load-bearing structural elements.
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