Research Analysis on Partial Replacement of Cement in Concrete with Fly Ash and Wollastonite

Abstract

This study investigated the effect of partial replacement of cement in concrete with fly ash and wollastonite mineral on concrete properties. The potential of wollastonite, a natural mineral and ash produced by coal combustion in thermal power plants, to improve the environmental and mechanical properties of concrete was analyzed. In the experimental process, a certain part of the cement was replaced with 20% and 25% ash, as well as 10% and 15% wollastonite, and several concrete compositions were prepared. During the study, the workability, compressive strength and durability properties of the concrete mixture were tested at 7, 14 and 28-day curing periods.