Effect of Copper Slag as a Fine Aggregate on the Durability Characteristics of High-Performance Concrete (HPC) Containing Silica Fume

Authors

  • Raghubir Singh Research Scholar, Department of Civil Engineering, Dr. B. R. Ambedkar National Institute of Technology, Jalandhar, Punjab, India.
  • Rizwan Ahmad Khan Associate Professor, Department of Civil Engineering, Zakir Husain College of Engineering and Technology, Aligarh Muslim University, Aligarh, Uttar Pradesh, India. https://orcid.org/0000-0003-2317-3994

Keywords:

High Performance Concrete (HPC), Durability, Copper Slag, Silica Fume

Abstract

This paper investigates the fresh and durability properties of the highperformance concrete by replacing cement with 15% Silica fume and simultaneously replacing fine aggregates with 25%, 50%, 75% and 100% copper slag at w/b ratio of 0.23. Five mixes were analysed and compared with the standard concrete mix. Fresh properties show an increase in the slump with the increase in the quantity of copper slag to the mix. Sorptivity, chloride penetration, UPV and carbonation results were very encouraging at 50% copper slag replacement levels. Microstructure analysis of these mixes shows the emergence of C-S-H gel for nearly all mixes indicating densification of the interfacial transition zone of the concrete.

How to cite this article: Singh R, Khan RA. Effect of Copper Slag as a Fine Aggregate on the Durability Characteristics of High-Performance Concrete (HPC) Containing Silica Fume. J Adv Res Civil Envi Engr 2020; 7(2): 1-10.

DOI: https://doi.org/10.24321/2393.8307.202002

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Published

2020-05-14