The Impact of Molar Proportion of Sodium Hydroxide and Water Amount on the Compressive Strength of Slag/Metakaolin (Waste Materials) Geopolymer Mortar
Table 2
Combination composition of mortars OPC and slag/MK-based geopolymer utilized in the current investigation.
MixID
Ingredients’ quantity (kg/m3)
Binder
OPC
GGBFS
MK
Sand
SH (12%)
SH (12 M)
SS
w/b
S
Al/b
100 G
775
0
775
0
1162.5
88.57
0
221.43
0.4
0
0.4
90 G
775
0
697.5
77.5
1162.5
88.57
0
221.43
0.4
0
0.4
80 G
775
0
620
151
1162.5
88.57
0
221.43
0.4
0
0.4
70 G
775
0
542.5
232.5
1162.5
88.57
0
221.43
0.4
0
0.4
60 G
775
0
465
310
1162.5
88.57
0
221.43
0.4
0
0.4
50 G
775
0
387.5
387.5
1162.5
88.57
0
221.43
0.4
0
0.4
100 GM
775
0
775
0
1162.5
0
88.57
221.43
0.4
0
0.4
90 GM
775
0
697.5
77.5
1162.5
0
88.57
221.43
0.4
0
0.4
80 GM
775
0
620
151
1162.5
0
88.57
221.43
0.4
0
0.4
70 GM
775
0
542.5
232.5
1162.5
0
88.57
221.43
0.4
0
0.4
60 GM
775
0
465
310
1162.5
0
88.57
221.43
0.4
0
0.4
50 GM
775
0
387.5
387.5
1162.5
0
88.57
221.43
0.4
0
0.4
100 GS
775
0
775
0
1162.5
88.57
0
221.43
0.2
7.75
0.4
90 GS
775
0
697.5
77.5
1162.5
88.57
0
221.43
0.2
7.75
0.4
80 GS
775
0
620
151
1162.5
88.57
0
221.43
0.2
7.75
0.4
70 GS
775
0
542.5
232.5
1162.5
88.57
0
221.43
0.2
7.75
0.4
60 GS
775
0
465
310
1162.5
88.57
0
221.43
0.2
7.75
0.4
50 GS
775
0
387.5
387.5
1162.5
88.57
0
221.43
0.2
7.75
0.4
100 GMS1
775
0
775
0
1162.5
0
88.57
221.43
0.2
7.75
0.4
95 GMS
775
0
736.25
38.75
1162.5
0
88.57
221.43
0.2
7.75
0.4
90 GMS
775
0
697.5
77.5
1162.5
0
88.57
221.43
0.2
7.75
0.4
85 GMS
775
0
658.75
116.25
1162.5
0
88.57
221.43
0.2
7.75
0.4
80 GMS
775
0
620
151
1162.5
0
88.57
221.43
0.2
7.75
0.4
75 GMS
775
0
581.25
193.75
1162.5
0
88.57
221.43
0.2
7.75
0.4
100 C
775
775
0
0
1162.5
0
0
0
0.4
0
0
100 CS2
775
775
0
0
1162.5
0
0
0
0.2
7.75
0
100 refer to the GGBFS proportion used in relation to the total binder; G is GGBFS; M refers to the use of 12 molar NaOH solution, S refers to the use of superplasticiser. C is cement and S refers to the use of superplasticiser.
