Application of Mixed Ceramic Powder in Cement Based Composites

Abstract

Waste ceramic powder coming from grinding the ceramic bricks disposed on demolition depot is investigated as partial Portland cement replacement in blended binders. For the milled ceramic powder, measurement of specific surface area (SSA) and particles size distribution is done. Its chemical composition is accessed using X-Ray Fluorescence (XRF) and X-Ray Diffraction (XRD) analysis. The blended binders containing ceramic powder in an amount of 8, 16, 24, 32, and 40% of mass of cement are used for the preparation of cement pastes which are then characterized using the measurement of basic physical properties, mechanical properties, hygric and thermal properties. The obtained results show that an application of 8 and 16% ceramic powder in the blended binder provides sufficient mechanical properties of the pastes with relatively low hygric transport properties. From the thermal performance point of view, the incorporation of ceramic powder decreases the heat transport in all the tested pastes. This makes good prerequisites for future research that will be focused on the development of new types of cement-based composites with incorporated ceramic waste powder.