Improve the Characteristics of Concrete using Waste Ceramic as a Cement Replacement Ingredient

Document Type : Original Article

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Civil Engineering Dep., Future High Institute of Engineering, Fayoum, Egypt

Abstract

The primary component of concrete, cement, is accountable for 8% of global carbon dioxide emissions. In order to minimize the total embodied carbon in the concrete manufacturing process, it is therefore highly desired to reduce the amount of cement used in concrete. Additionally, a growing quantity of ceramic waste powder is produced during the production of ceramics, and this can lead to serious environmental issues such air, soil, and groundwater pollution. This research explores the use of ceramic waste powder as a cement replacement agent to reduce environmental pollution during concrete production. A laboratory study was conducted to replace various levels of a cement with ceramic waste powder. It was found that slump and workability of concrete can be increased by using the pozzolanic nature of ceramic materials and suitable admixtures. Adding waste ceramic to concrete reduces density, with a linear drop as ceramic percentage increases. Additionally, it was discovered that ceramic concrete had a slightly greater modulus of elasticity, split tensile strength, compressive strength, and flexural strength than conventional concrete. When 10% CWP was substituted for ceramic concrete, the strength improved by 10.45%. Concrete's strength increases when CWP is added up to 20% of the mix. Finally, for the greatest results it is advised to add 10% of CWP.

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