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Effect of Rice Husk Ash on Compressive Strength of Concrete

R. R. Singh 1 and Damandeep Singh 2
1. Civil Engineering Department, PEC, Chandigarh, India
2. Structures, Civil Engineering Department, PEC, Chandigarh, India

Abstract—Over the past decades concrete technology has entered the broad areas of research to enhance the properties and performance of concrete. Moreover there is the introduction of the new types of concrete such as self-compacting concrete (SCC), high strength concrete (HSC) or ultra-high strength concrete (UHSC). Now these types of concrete are being widely used in the world and they require the high cement binder. So high cement content means high loss to environment as in the manufacturing of one tonne of cement, about 1 tonne of CO2 is emitted. So it is necessary to reduce usage of cement by introducing new supplementary cementitious materials which are the by-products of industries to reduce debris. Rice Husk Ash is one of these. The potential of rice husk ash as a cement replacement or addition material is well established. A review of literature urges the need for optimizing the replacement level or additionof RHA in concrete for improved compressive strength at optimum water binder ratio. This paper discusses the improved compressive strength of RHA- High strength concrete at optimized conditions.

Index Terms—compressive strength, concrete, RHA, High Strength Concrete (HSC), replacement, addition

Cite: R. R. Singh and Damandeep Singh, "Effect of Rice Husk Ash on Compressive Strength of Concrete," International Journal of Structural and Civil Engineering Research, Vol. 8, No. 3, pp. 223-226, August 2019. doi: 10.18178/ijscer.8.3.223-226