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

Table 2

Concrete properties and mix design.

Strength	25 N/mm^2
Aggregate type: coarse	Crashed
Aggregate type: fine	Crashed
Free water-cement ratio	0.59
Slump: 30–60 mm, VB (time)	3–6 second
Max aggregate size	20 mm
Free water content	210 kg/m^3
Cement content (C1)	355 kg/m^3
Concrete density	2400 kg/m^3
Total aggregate content	1834.09 kg/m^3
Fine aggregate content	3514.7 kg/m^3
Coarse aggregate content	1052.10 kg/m^3
Curing time	28 days