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Mix Class of exposure w/c ratio! Cement consumption (kg/m)( Mixture proportioning (unit mass) Cement Crushed sand Natural sand Coarse aggregate 0 Coarse aggregate 1 Water 1 I 0,65 260 1,0 1,19 2,22 1,23 2,88 2 II 0,60 280 1,00 1,10 2,04 1,15 2,67 3 IV 0,45 360 0,91 1,69 2,33 0,55
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