Utilization of Industrial Waste Copper Slag and Fly Ash in Concrete

Jagmeet Singh*, Jaspal Singh**, Manpreet Kaur***
* M. Tech, Department of Civil Engineering, Punjab Agricultural University, Ludhiana, India.
**Professor, Department of Civil Engineering, Punjab Agricultural University, Ludhiana, India
*** Assistant Professor, Department of Civil Engineering, Punjab Agricultural University, Ludhiana, India.
Periodicity:September - November'2014
DOI : https://doi.org/10.26634/jste.3.3.3063

Abstract

The present investigation assesses the incorporation of industrial waste copper slag and fly ash in concrete. The combined effect of copper slag (CS) and fly ash (FA) as a partial replacement of cement on the compressive strength of concrete has been investigated. The hydration of cement with CS and FA was investigated through X-ray diffraction (XRD). Fifteen mixes were prepared at different replacement levels of CS (0%, 5%, 10%, 15% & 20%) and FA (0%, 5% & 10%) with cement. Results indicate that the compressive strength of concrete decreases as copper slag content increases for all curing ages. The reduction in compressive strength is minor up to 10% of copper slag but beyond 10% of copper slag, there is significant reduction in compressive strength. The addition of FA with 5% and 10% of CS slightly reduces the compressive strength, but addition of fly with 15% and 20% of CS considerably reduces the compressive strength of concrete. XRD showed that the addition of fly ash with 10% of copper slag slightly reduced the hydration of cement, but the addition of fly ash with 20% of copper slag significantly reduced the hydration of cement. The combination of (10% CS + 10% FA) is recommended as maximum replacement of cement.

Keywords

Keywords: Compressive strength, Copper slag, Fly ash, X- ray diffraction.

How to Cite this Article?

Singh, J., Singh, J., and Kaur, M. (2014). Utilization of Industrial Waste Copper Slag and Fly Ash in Concrete. i-manager’s Journal on Structural Engineering, 3(3), 25-33. https://doi.org/10.26634/jste.3.3.3063

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