Influence of Molarity and Chemical Composition on the Development of Compressive Strength in POFA Based Geopolymer Mortar

Table 3

Mix design for development of compressive strength of geopolymer mortar.

Mortar designation	Mix proportion (%)	MK content	GGBS content	POFA content	Compressive strength (MPa)
	MK/GGBS/POFA	(kg/m^3)	(kg/m^3)	(kg/m^3)	3-day	28-day
M1	5/35/60	38.3	268.3	460	18.88	23.5
M2	10/30/1960	76.7	230	460	33.89	39.2
M3	10/35/55	76.7	268.3	421.7	21.91	30.34
M4	10/45/45	76.7	345	345	36.59	40.85
M5	15/20/65	115	153.3	498.3	31.01	38.57
M6	15/35/50	115	268.3	383.3	22.14	32.47
M7	15/40/45	115	306.7	345	35.51	40.24
M8	20/20/60	153.3	153.3	460	25.18	33.65
M9	20/25/55	153.3	191.7	421.7	37.15	41.05
M10	20/28/52	153.3	214.7	398.7	32.92	37.78
M11	20/30/50	153.3	230	383.3	36.46	42.19
M12	20/35/45	153.3	268.3	345	43.2	48
M13	20/40/40	153.3	306.7	306.7	34.93	41.62
M14	20/45/35	153.3	345	268.3	33.85	40.92
M15	25/30/45	191.7	230	345	35.86	41.43
M16	25/35/40	191.7	268.3	306.7	33.45	37.23
M17	30/40/30	230	306.7	230	33.5	39.6
M18	30/35/35	230	268.3	268.3	32.95	40.73

Note: MK: metakaolin; GGBS: ground granulated blast furnace slag; POFA: palm oil fuel ash.