Analysis Technique on Water Permeability in Concrete with Cold Joint considering Micro Pore Structure and Mineral Admixture

Table 3

Chemical compositions of OPC and GGBFS.

Composition	SiO2 (%)	Al2O3 (%)	Fe2O3 (%)	CaO (%)	MgO (%)	SO3 (%)	lg. loss (%)	Physical properties
								Specific gravity	Blaine (cm^2/g)
OPC	21.0	4.29	3.35	62.10	2.27	2.35	2.73	3.16	3,214
GGBFS	29.98	14.55	0.50	45.92	4.90	1.84	0.2	2.89	4,340