Characterization and Early Age Physical Properties of Ambient Cured Geopolymer Mortar Based on Class C Fly Ash

International Journal of Concrete Structures and Materials

Table 6 Hardened properties of geopolymer mortar.

#	NaOH:fly ash ratio	Na₂SiO₃:fly ash ratio	Sand:fly ash ratio	7 day hardened density (kg/m³)	7 day compressive strength (MPa)
1	0.050	0.025	1.0	2,117	5
2	0.050	0.050	1.0	2,113	8
3	0.050	0.075	1.0	2,121	10
4	0.050	0.100	1.0	2,134	20
5	0.075	0.025	1.0	2,161	16
6	0.075	0.050	1.0	2,161	26
7	0.075	0.075	1.0	2,158	32
8	0.075	0.100	1.0	2,138	32
9	0.100	0.025	1.0	2,174	26
10	0.100	0.050	1.0	2,167	32
11	0.100	0.075	1.0	2,187	35
12	0.100	0.100	1.0	2,186	40
13	0.125	0.025	1.0	2,119	23
14	0.125	0.050	1.0	2,136	25
15	0.125	0.075	1.0	2,151	27
16	0.125	0.100	1.0	2,138	33
17	0.100	0.100	1.5	2,041	32
18	0.100	0.100	2.0	2,091	39
19	0.100	0.100	2.5	2,136	36
20	0.100	0.100	3.0	2,220	36