What does this research mean for the field?

Rice Husk Ash improves the compressive, flexural, and tensile strength of concrete when used as a partial replacement for cement. Novelty: ClaimNovelty.CONFIRMATORY. Consensus alignment: ConsensusAlignment.SUPPORTS_CONSENSUS.

What question did this study set out to answer?

The goal is to evaluate how rice husk ash affects the structural properties of concrete materials.

February 21, 2026Open Access

Structural Behaviour of Concrete with Rice Husk Ash

Key Points

The goal is to evaluate how rice husk ash affects the structural properties of concrete materials.
Prepared concrete mixes using 5%, 10%, and 15% rice husk ash as a replacement for cement.
Measured compressive, flexure, and tensile strengths of concrete samples.
Conducted experiments to determine the pozzolanic activity of rice husk ash.
Concrete with 5%, 10%, and 15% rice husk ash showed varying levels of compressive strength, flexure strength, and tensile strength.
An increase in rice husk ash content generally influenced the strength properties positively up to a certain percentage.

Abstract

Rice husk is an agro-waste material which is available in many parts of India and is produced about 100 million of tones. Rice husk ash (RHA) is obtained by the combustion of Rice husk. The most important property of RHA is that determines pozzolanic activity and is suitable for use in time pozzolana mix and for Portland cement replacement. The paper presents the effect of Rice Husk Ash on the structural behavior (e.g. compressive strength, Flexure strength, Tensile strength) of concrete. For which Concrete mixes were prepared by taking as R.H.A. 5%, 10%, 15% of weight of cement.

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