Eco-Efficient Concrete: A sustainable reutilization of Ceramic Tile Waste Powder (CTWP) as a partial replacement for cementitious material in a recycled fine aggregate concrete
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The waste generated from the construction will not only leads to environmental crisis but also project overrun. Theenvironmental problems results in increase of pollution that leads society to unfit for living organisms. Many investigationshave been carried out on the area of Construction Waste (CW). At the end of 2025, the volume of CW generated will nearlydouble to 2.2 billion tons worldwide. Construction waste contributing 40% depletes earth’s environment. The researchcomprised of two phases. Phase one focuses on the reduction of material waste generated from the construction that can bereutilized as fine aggregate in concrete of different proportions 25%, 50%, 75% and 100%. Phase two aims to decrease theamount of CO2 emission from the cement and that can be achieved by utilization of CW material - Ceramic Tile Waste Powder(CTWP) as a substitute for cement in varying proportions 0%, 10%, 20%, 30% and 40%. The research showed theperformance of Eco-Efficient Concrete with different proportions of CTWP and Recycled Fine Aggregate (RCFA) throughmeasured properties. The use 30% CTWP & 100% RCFA replacement level adequate for compressive strength improvementat 28 days is 24.8 N/mm2. The simultaneous use of increased percentage of CTWP & RCFA at different replacement levelsenhances the durability Properties.
Abstract
The waste generated from the construction will not only leads to environmental crisis but also project overrun. Theenvironmental problems results in increase of pollution that leads society to unfit for living organisms. Many investigationshave been carried out on the area of Construction Waste (CW). At the end of 2025, the volume of CW generated will nearlydouble to 2.2 billion tons worldwide. Construction waste contributing 40% depletes earth’s environment. The researchcomprised of two phases. Phase one focuses on the reduction of material waste generated from the construction that can bereutilized as fine aggregate in concrete of different proportions 25%, 50%, 75% and 100%. Phase two aims to decrease theamount of CO2 emission from the cement and that can be achieved by utilization of CW material - Ceramic Tile Waste Powder(CTWP) as a substitute for cement in varying proportions 0%, 10%, 20%, 30% and 40%. The research showed theperformance of Eco-Efficient Concrete with different proportions of CTWP and Recycled Fine Aggregate (RCFA) throughmeasured properties. The use 30% CTWP & 100% RCFA replacement level adequate for compressive strength improvementat 28 days is 24.8 N/mm2. The simultaneous use of increased percentage of CTWP & RCFA at different replacement levelsenhances the durability Properties.
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