Research Articles | Challenge Journal of Concrete Research Letters

Comparative Studies on Mechanical Properties of High Strength Concrete Using Foundry Slag and Alccofine

Devinder Sharma, Sanjay Sharma, Ajay Goyal

Abstract


The main purpose of this research study is to compare the strength properties (Mechanical) of High Strength Concrete(HSC) using Foundry Slag(FD) and Alccofine(AF) for different curing ages(7, 14, 28, 56 and 90 days). This paper discussed the use of Foundry Slag(FD) as partial replacement for conventional fine aggregates and Alccofine (AF) as partial substitute for cement. Concrete specimens of M100 grade using water/binder ratio 0.239, with varying percentage of FD (0 to 50%) and with optimum percentage of AF(15%) were casted and tested for development of compressive strength(CS), tensile strength(TS) and flexural strength(FS) after curing age of 7, 14, 28, 56 and 90 days. Results suggested that reasonably high strength concrete can be prepared by replacing fine aggregates(FA) with FD and cement with 15% of AF. Results showed increase in mechanical properties ( CS, TS and FS) of HSC with increase in FD content up to 45% and with  age. A straight line equation from the regression analysis has been formed from the results obtained by means of best fit.

Keywords


foundry slag (FD), alccofine (AF). HSC; compressive strength (CS); flexural strength (FS); tensile strength (TS);

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References


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