Long Term Corrosion Experiment of Steel Rebar in Fly Ash-Based Geopolymer Concrete in NaCl Solution

Table 1

Mixture proportion of geopolymer concrete.

		Water	Cement	Fly ash	Fine aggregate	Coarse aggregate
OPC	A	1.09	1.84	0	3.88	5.62
OPC + 10% FA	B	1.09	1.65	0.19	3.88	5.62
OPC + 30% FA	C	1.09	1.29	0.55	3.88	5.62
OPC + 50% FA	D	1.09	0.92	0.92	3.88	5.62
		NaOH solution	Na2SiO3 solution	Fly ash	Fine aggregate	Coarse aggregate	Extra water
Geopolymer concrete	E	0.25	0.54	2.15	3.34	6.22	0.16