The Impact of Molar Proportion of Sodium Hydroxide and Water Amount on the Compressive Strength of Slag/Metakaolin (Waste Materials) Geopolymer Mortar

Table 3

The average compressive strengths in MPa after seven days.

Compressive strength (MPa)
Mix ID GGBFS/(GGBFS + MK) (%)	G	GM	GS	Mix IDGGBFS/(GGBFS + MK) (%)	GMS	Mix ID	Control mixes
100	30.0	56.6	64.3	100	63.5	C	31.8
90	23.8	32.7	55.9	95	77.8	CS	8.4
80	4.0	8.6	49.6	90	60.4
70	2.0	7.3	15.1	85	69.1
60	1.8	7.5	9.2	80	61.8
50	1.8	8.5	4.8	75	69.4

Note: the mix designs given are found by the number in the first column with the letter in the first raw above to have the same mix design in Table 3.