Fly Ash/Blast Furnace Slag-Based Geopolymer as a Potential Binder for Mine Backfilling: Effect of Binder Type and Activator Concentration

Table 3

Setting time, flow ability, and setting ratio of geopolymer mortar.

No.	Slump (mm)	Final setting time (h)	Setting ratio (%)
F100B0N8	286	9.33	7.53
F75B25N8	245	6.17	4.33
F50B50N8	203	4.26	0.87
F25B75N8	169	1.14	0.80
F0B100N8	142	1.07	0.40
F100B0N16	272	8.05	3.07
F75B25N16	225	4.42	1.40
F50B50N16	186	2.71	0.73
F25B75N16	150	0.86	0.27
F0B100N16	126	0.69	0.13