Carbonation is highly dependent on the relative humidity of the concrete. The maximum rate of air when the relative humidity is maintained between 50 percent and 75 percent relative humidity below 25 degree air that occurs is considered trivial. As mentioned above, relative humidity 75 percent humidity in the pores limited penetration CO2 Carbonation induced corrosion often occurs in areas of the building that is exposed to rain, gray from the sun and cover concrete than steel. supplement
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