Research on the Expansion Characteristics and Compressive Strength of Mortars Containing Circulating Fluidized Bed Combustion Desulfurization Slag

Table 3

Mixture proportions of mortars.

Number	Fineness	Cementitious materials	Cement	Desulfurization slag	Sodium sulfate	Standard sand	Water	Water-reducing admixtures
SJ1	T1 (13 min)	500	350	150	0	1000	150	1.0%
SJ2	T2 (25 min)	500	350	150	0	1000	150	0.9%
SJ3	T3 (39 min)	500	350	150	0	1000	150	1.0%
SJ4	T4 (55 min)	500	350	150	0	1000	150	0.9%
SJ5	T5 (72 min)	500	350	150	0	1000	150	0.8%
SJ6	—	500	500	0	0	1000	150	0.5%
SJ7	T3 (39 min)	500	450	50	0	1000	150	0.8%
SJ8	T3 (39 min)	500	400	100	0	1000	150	0.8%
SJ9	T3 (39 min)	500	300	200	0	1000	150	1.1%
SJ10	T3 (39 min)	500	250	250	0	1000	150	1.2%
SJ11	T3 (39 min)	500	350	150	5	1000	150	1.2%
SJ12	T3 (39 min)	500	350	150	7.5	1000	150	1.4%
SJ13	T3 (39 min)	500	350	150	10	1000	150	1.6%