An experimental investigation on effect of durability on strength properties of M40 grade concrete with partial replacement of sand with copper slag

Sustained population boom and speedy industrialization have led to an enlarge in housing demand. Due to the environmental impact, the use of herbal sand for concrete manufacturing is limited. The scarcity of mortar and concrete for the manufacturing of high-quality aggregates has been decided due to the partial replacement of gravel with copper slag. Research article reviews some experimental studies on the impact of copper slag partly replacing sand on concrete performance. In this paper, an experimental work was once carried out to look into the impact of copper slag as a fine combination on the residences of concrete. Copper slag is a byproduct of copper production, which incorporates giant quantities of iron oxide and silicate and is chemically stable. In this study, an experimental work was carried out on M40 concrete for the complete study. Several concrete specimens had been made by changing the satisfactory combination with copper slag with special proportions varying from 0% to 100% with an interval of 20% (0%, 20%, 40%, 60%, 80%, and 100%). On the hardened concrete specimens, the action of acids like (H2SO4 & HCl) and the Sulphate attack like (Na2SO4, MgSO4) are acted on the hardened concrete specimens and the weight loss and the variant in the compression strength used to be determined. Based on the check results, the best proportion of usage of copper slag for fine aggregate in the concrete is optimized and the consequences received are compared with the replaced concrete specimens made with ordinary Portland cement and sand and the version between the compression results and the version in the weight of the concrete specimens before and after acid and Sulphate attacks are shown. Test effects exhibit that it is practicable to use copper slag as a satisfactory aggregate in concrete. (C) 2020 Elsevier Ltd. All rights reserved. Selection and peer-review under responsibility of the scientific committee of the International Conference on Advanced Materials Behavior and Characterization.

Automated summary

The increased demands for housing due to sustained population boom and speedy industrialization have led to the exploration of alternative materials for concrete manufacturing, with copper slag being a viable option as a substitute for sand as a fine aggregate. Experimental studies have shown that copper slag can be used effectively in concrete production as a sustainable solution to address the scarcity of traditional materials like sand and gravel.