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Which mix should have the lowest permeability
Material Mix A Mix B Mix C Cement (GP) 380 349 210 Micro Silica/Silica Fume 0 31 0 Fly Ash 0 0 90 Water 160 160 180 Sand 800 800 860 Stone 1000 1000 1000 W/C 0.42 0.42 0.6