Experimental Study on Alkali Activated Fly Ash and GGBS Based Coarse aggregate in Cement Concrete

Naveena M. P.*, G. Narayana**
*-** Department of Civil Engineering, SJC Institute of Technology, Chickballapur, Karnataka, India.
Periodicity:June - August'2022
DOI : https://doi.org/10.26634/jce.12.3.18890

Abstract

Many applications of fly ash have been studied and employed in various fields. Thermal power stations use pulverized coal as fuel. Thus produce large amounts of fly ash as a by-product of combustion. The present analyses investigates the manufacturing process of Alkali Activated Fly Ash (AAFG) and Ground Granulated Blast Furnace Slag (GGBS) Based Coarse Aggregate using an ordinary concrete mixer and its properties are analyzed. The flexural capacity of the Reinforce Concrete (RC) beam with AAFG increases by increasing the diameter of reinforcement and decreases in the replacement AAFG beam, and the crack width decreases as an increase in the replacement of the fly ash aggregate up to 50% in concrete. The durability property of concrete blended with AAFG shows similar results to conventional concrete. From the Rapid Chloride Permeability Test (RCPT) results, it shows that AAFG concrete and conventional concrete are both in the moderate zone only.

Keywords

Alkali Activation, Flexural Capacity, Ground Granulated Blast Furnace Slag (GGBS), Fly Ash, Pelletization, Mechanical Properties, Flexural Behavior, Crack Width.

How to Cite this Article?

Naveena, M. P., and Narayana, G. (2022). Experimental Study on Alkali Activated Fly Ash and GGBS Based Coarse Aggregate in Cement Concrete. i-manager’s Journal on Civil Engineering, 12(3), 23-30. https://doi.org/10.26634/jce.12.3.18890

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