Assignment of PCC deisgn 1)The field mix proportions using the data below: Concrete is used for pavement-mild exposure Specified compressive strength of concrete = 3,000 psi Cement: Type I, no air-entrained mixture Nominal maximum size of coarse aggregate = 1.0 in. Items measured SG of CA MC of CA Abs. % CA SG of FA Dry-rodded weight of CA MC of FA Abs.% FA Fineness modulus of FA Values 2.65 2.1% 0.9% 2.68 1001b/ft³ 3.0% 0.4% 3 2) The weights of the materials (cement, CA, FA and water) for a batch producing three cylinders (6"x12") (assume with a margin of 30%)

Fig: 1