High Strength Lightweight Concrete, using Scoria and Mineral Admixture

Abstract

The purpose of this study is to investigate a high-strength lightweight concrete (HSLWC) using Scoria aggregate and mineral admixtures. The experiment findings are presented in this paper. In the concrete mix, basaltic (scoria) was used as a lightweight aggregate. A control lightweight concrete mixture made with lightweight basaltic (scoria) containing ordinary Portland cement as the binder was prepared. The control lightweight concrete mixture was modified by replacing 10% of the cement with silica fume. The control lightweight concrete mixture was also modified by replacing 10% of the cement with metakaolin. A third mixture of lightweight concrete was also prepared, modifying the control lightweight concrete by replacing 10% of the cement with metakaolin and 10% of the cement with silica fume.