On The Mechanical Aspects Concrete Containing Mill Scale

International Journal of Civil Engineering
© 2021 by SSRG - IJCE Journal
Volume 8 Issue 8
Year of Publication : 2021
Authors : Yogesh Iyer Murthy
How to Cite?

Yogesh Iyer Murthy, "On The Mechanical Aspects Concrete Containing Mill Scale," SSRG International Journal of Civil Engineering, vol. 8,  no. 8, pp. 23-34, 2021. Crossref, https://doi.org/10.14445/23488352/IJCE-V8I8P103


The current paper experimentally investigates the effects of partial replacement of fine aggregate by mill scale in concrete in varying proportions by weight. Mill scale was added by weight of fine aggregate with partial replacement of 0%, 10%, 20%, 30%, 40%, 50% and 60% and using Portland Pozzolana Cement in C20/25 grade of concrete. The physical and mechanical properties of concrete so produced were evaluated. The fresh concrete produced showed a drastic reduction of slump with increasing percentage replacement with 74% reduction at 60% replacement compared to the control mix. Further, the compressive, flexural and split tensile strength also showed a drop in strength by 34.5%, 27% and 19% with respect to control mix for 60% replacement respectively. From the microstructural studies, it could be concluded that mill scale acts as a filler material and can be used as partial replacement of sand effectively up to 40% by weight of cement in concrete.


Mill Scale, concrete aggregates, physical and mechanical properties, durability, waste utilization.


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