Abstract
This research paper describes the parametric study on the binary and ternary blend cement mortar prepared with the fly ash (FA) and rice husk ash (RHA) as partial substitute of ordinary portland cement (OPC). These byproducts are having high pozzolanic reactivity. In this research, the composition of the binary blend was used with the variation of 5–20% FA and RHA as partial substitute of OPC and for ternary blend 10% RHA along with 10, 20 and 30% FA as partial substitute of cement. The compressive strength, the microstructure of mortar matrix and durability were tested on mortar cubes. The test result shows that the maximum compressive strength was attained using 10% RHA, 10% FA for binary blend and for ternary blend 10RHA10FA and beyond that, the strength was similar to control mix (CM). The durability test for all specimen of the binary and ternary blend of cement mortar shows the satisfactory result. This type of mix is very effective in enhancing the strength and durability of cement mortar by saving cement and also environmental friendly.
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