Abstract: This paper emphasizes on providing a formula for determination of flexural strength of Standard Concrete when Rice Husk Ash (RHA) and Metakaolin are used as partial replacement for Ordinary Portland Cement (OPC) in concrete. OPC was replaced with these mineral admixtures at 5%, 10%, 15% and 20% by weight. 0% replacement served as the control. Flexural test was carried out on hardened 150x150x700 mm concrete beam at 28 days curing in water. Similar model of the beam was simulated in ANSYS Workbench to compute the flexural strength analytically.
Keywords: Rice Husk Ash, Metakolin, OPC, Flexural Strength, ANSYS
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