Preparation of Portland Cement with Gold Ore Tailings

Table 3

Physical indices of two cements.

Samples	Specific surface (m^2/kg)	Consistency (%)	Setting time (min)		Soundness
			Initial time	Final time
C-SS	355.4	24.5	140	212	Qualified
C-GTs	355.9	24.8	138	215	Qualified