Table 2.

Properties of used cement.

Physical properties						Soundness (mm)	Mortar compressive strength (MPa)
Color	Specific gravity	Initial setting time (min)	Final setting time (min)	Surface area(cm2/g)	Standard consistency (w/c%)		3 days	7 days	28 days
Grey	3.16	120	210	3550	28%	1	25	33	43