Abstract
Calcium carbide remains a secondary product in the manufacturing process of acetylene gas consists calcium hydroxide predominantly. Ground granulated blast furnace slag cement produced from iron blast-furnace slag (pozzolanic), feasible with suitable combination to be used as an alternate cementitious material. The initial study evaluated the suitable percentage of replacement of and of Ordinary Portland Cement by testing its strength in compression for replacing various percentage of cement using 0–20% in steps of 5% of CCR and 0%, 10%, 20% and 30% of GGBS. It was observed that the optimal percentage of replacement of CCR and GGBS content was 15% and 20% respectively. The strength of concrete by combination of CCR and GGBS replacement for cement at their optimal percentage were also studied. The strength in compression at the period of 14, 28 and 48 days were studied and it was inferred that the strength of the specimens in compression is more with periods of curing compared to that of conventional concrete. The results indicate that the suitable proportions of replacement level of cement with CCR and GGBS is 35%.
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