The Effect of Variation of Molarity of Alkali Activator and Fine Aggregate Content on the Compressive Strength of the Fly Ash: Palm Oil Fuel Ash Based Geopolymer Mortar

Table 7

Development of compressive strength using N-sand, M-sand, and QD.

Age	3-day		7-day		14-day		28-day
Fine aggregate	NC	GM	NC	GM	NC	GM	NC	GM
N-sand (100%)	22	21	28	23	33	27	37	28
M-Sand (100%)	15	19	23	21	26	24	32	25
QD (100%)	19	21	28	23	32	25	37	26

NC: results from [Dumitru et al. [58]] experiment on OPC concrete.
GM: results from this experiment on geopolymer mortar.