Experimental Investigation on Bond, Microstructure and Durability of Expired Hardened Cement Blended with Ground Granulated Blast Furnace Slag as Partial Replacement of Cement in High-Strength Concrete

International Journal of Concrete Structures and Materials

Table 3 Mix proportion and their quantity used in this study

Mix proportion	Mix No	Cement, kg	GGBS, kg	EHC, kg	Fine aggregate, kg	Coarse aggregate, kg	water, kg	Admixture, ml*	W/cm
100% OPC	M Cc	18.7	–	–	19.10	29.83	6.74	51	0.36
85% OPC + 10%GGBS + 5% EHC	M R 1	15.89	1.87	0.935	19.10	29.83	6.74	51	0.36
80% OPC + 10%GGBS + 10% EHC	M R 2	14.96	1.87	1.87	19.10	29.83	6.74	51	0.36
75% OPC + 10%GGBS + 15% EHC	M R 3	14.025	1.87	2.805	19.10	29.83	6.74	51	0.36
70% OPC + 10%GGBS + 20% EHC	M R 4	13.09	1.87	3.74	19.10	29.83	6.74	51	0.36

*Admixture used as ASTM C-494/C 494M recommendation a superplasticizer as 3 ml per one kilogram by weight of cementitious material
Mix_Cc = control high-strength concrete mix, M_R 1, 2, 3, and 4 are 15%, 20%, 25%, 30%, respectively, of EHC blended with constant 10% GGBS concrete mix made partial replacement of cement