Utilization of Palm Oil Fuel Ash as Binder in Lightweight Oil Palm Shell Geopolymer Concrete

Table 6

Tensile strength of OPSGC.

Mixture	Tensile strength (MPa)
	Splitting tensile	Flexural
M1	2.12	3.55
M2	2.13	3.70
M3	2.41	3.74
M4	1.62	3.11
M5	1.27	1.95
M2-A	2.03	3.31
M1-2	1.66	2.65
M2-2	1.62	2.55
M3-2	1.53	2.36
M4-2	1.25	1.93
M5-2	1.17	1.85