Table 1.

Contents of chloride ion in the surface layer of concrete at different immersion time (%).

Mix ID	Immersion Time (day)
	30	60	90	120	150
CF0	0.295	0.408	0.450	0.679	0.684
CF15	0.397	0.505	0.630	0.752	0.790
CF30	0.397	0.576	0.625	0.700	0.777