An Experimental Study on the Behaviour of M20 Grade Concrete by Partial Replacement of Cement by Rice Husk Ash (RHA)

Harish B A; Hanumesh B M; Siddesh T M; Sanjay S J; Siddhalingesh B K

CALL FOR PAPERS : Oct-2023

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25-Oct-23

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An Experimental Study on the Behaviour of M20 Grade Concrete by Partial Replacement of Cement by Rice Husk Ash (RHA)

Author(s):

Harish B A , G M Institute of technology; Hanumesh B M, UBDTCE, Davanagere, Karnataka, India; Siddesh T M, UBDTCE, Davanagere, Karnataka, India; Sanjay S J, UBDTCE, Davanagere, Karnataka, India; Siddhalingesh B K, UBDTCE, Davanagere, Karnataka, India

Keywords:

Rice husk ash (RHA), Pozzolanic, Mix-design, Workability, Compression, Split tensile

Abstract:

Concrete is no longer made of aggregates, Portland cement and water only it is not always incorporate so it requires at least one of the additional ingredients such as admixtures, supplementary Cementitious material or fibers to increase the strength and durability. Rice husk ash is one of the pozzolanic materials that can be blended with Portland cement for the production of durable concrete. Supplementary Cementitious materials prove to be effective to meet most of the requirements of durable concrete. Rice husk ash is found to be greater to other supplementary materials like silica fume and fly ash. In the current study an attempt has been made to investigate the strength parameters of M20 concrete (compressive and split tensile). For control concrete, IS method of mix design is adopted. Partial replacement of cement has been made with different percentage of RHA namely, 5%, 10% and 15%. Large range of curing periods starting from 7, 14 and 28 days are considered in the present study.