Enhancement of concrete brick with marble waste

This experimental study of the reinforcement of concrete brick with marble waste aims to show the influence of partial replacement of cement with marble waste on the workability and compressive strength of concrete. Three replacement percentages of 10%, 20% and 30% were used with different curing times of 7, 14 and 28 days. For the optimum results and in order to reduce the effect of human errors on the study accuracy, two specimens were prepared for each percentage and curing time. For this study, marble powder from Mining House Company in Saudi Arabia was used. After doing all the experiment works it was observed that the replacement of Concrete brick with marble waste enhanced the loading strength and the workability of prepared concrete bricks. It was also observed that the 20% replacement of cement with marble waste is the best replacement percentage compared to the other replacement percentages. Marble waste from manufacturing companies either in powder, sludge or slabs form has serious bad effect on the environment. Furthermore, the usage of marble waste in such industries has many other benefits such as economical benefit of selling the marble wastes and saving the natural resources.