Early and Late Strength Characterization of Portland Cement Containing Calcined Low-Grade Kaolin Clay

Table 2

Mortar mixture proportions of cement and calcined clay at 800°C.

Mix	Content (%)		w/b	Mass (g)				HRWR (%)	Flow
	Cement	Clay		Cement	Clay Pozzo	Sand	Water
Control	100	0	0.485	740	0	2035	359	0.00	107
10P800	90	10	0.485	666	74	2035	359	0.14	107
20P800	80	20	0.485	592	148	2035	359	0.32	114
30P800	70	30	0.485	518	222	2035	359	0.34	105
40P800	60	40	0.485	444	296	2035	359	0.45	107