Table 3.

Rate of increase or decrease in the relative composition of crystalline compounds in each concrete with respect to P-N.

Groups	Rate of Increase/Decrease (%)
	Natural Immersion Conditions		Electric Field Conditions
	CH	Friedel’s Salt	CH	Friedel’s Salt
P	Reference	Reference	−4.56	−62.81
F	−12.77	33.06	−20.26	−31.13
G	−6.57	25.90	−19.34	−17.44