A simple formula tells you the water consumption of concrete admixtures

concrete mix ratio:①cement ②coarse aggregate ③fine aggregate ④additivescalculation method: ordinary concrete mix ratio calculation bookbasic “common concrete mix proportion design regulations” (jgj55-2000) (j64-2000) and “building construction calculation manual”. 1. calculation of concrete preparation strengthconcrete preparation strength should be calculated according to the following formula:fcu, 0≥fcu, k+1.645σ where: σ——standard deviation of concrete strength (n/mm2). take σ=5.00…