Effect of Temperature and pH on Early Hydration Rate and Apparent Activation Energy of Alkali-Activated Slag

Table 2

Apparent activation energy of slag at different pH solutions.

Curing age (day)	w/s	(kJ/mol)
		12.10	12.55	13.02	13.58
1	0.4	96.21	33.19	35.96	3.68
	0.5	95.2	35.45	32.50	2.71
	0.6	70.14	37.55	32.08	3.51
3	0.4	100.1	66.56	34.40	−2.56
	0.5	86.79	65.93	31.92	−2.35
	0.6	76.73	62.37	26.60	−0.99
7	0.4	87.26	58.69	34.34	−3.56
	0.5	78.49	52.53	33.91	−1.46
	0.6	76.03	51.91	30.01	−4.49
14	0.4	54.15	52.23	39.47	−3.70
	0.5	59.44	51.93	37.22	−7.29
	0.6	57.11	47.76	36.95	−3.61