for concrete structural projects constructed in winter, the amount of concrete antifreeze should be selected according to the type of concrete antifreeze.
① when using a single antifreeze component, the maximum amount of antifreeze should not be greater than the following regulations: the amount of chlorine salts should not be greater than 7% of the mixing water; sodium nitrite the dosage of calcium nitrite, sodium nitrate and calcium nitrate shall not exceed 5% of the weight of…
