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Experimental Research on Chloride Resistance of Concrete with Isobutyl-triethoxy-silane

The effect of different layers of silane impregnation on chloride resistance of concrete materials at various curing ages is systematically discussed. The chloride resistance of two types of concrete specimens with surface silane impregnation has been investigated through the Rapid Chloride Migration (RCM) method. The testing results indicate that the chloride penetration can be effectively restrained by silane impregnation, and the chloride diffusion coefficients of samples are significantly decreased. After curing for 28 days, when compared to the untreated samples, the chloride diffusion coefficients of two types of concrete specimens both with two layers of silane impregnation decreased by 37.4%, 37.6% respectively.