Abstract
The study looks at the usage of pumice aggregate in certain types of concrete, such as lightweight concrete (natural aggregate). The high self-weight of conventional concrete is one of its drawbacks. Due to its high self-weight, it will be an uneconomical structural material to some extent. To minimize dead loads and enhance thermal insulation, lightweight concrete with a low density is utilized. It has a reduced density since it is used as a partial replacement for coarse aggregate in concrete. Using mix M30 with poly carboxyl ether addition, this study compared conventional concrete to low-weight aggregate concrete. Pumice is used to partly replace coarse aggregate in lightweight concrete at different percentages ranging from 20% to 100%. The objective of this research is to determine which of the above-mentioned alternatives is the best replacement by evaluating the compression and split tensile strength characteristics of lightweight aggregate concrete. The results are compared to those of conventional concrete.