(10 pts) A concrete mix design requires each cubic yard of concrete to have 1795 A lbs dry coarse aggregate (density 450

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10 Pts A Concrete Mix Design Requires Each Cubic Yard Of Concrete To Have 1795 A Lbs Dry Coarse Aggregate Density 450 1 (31 KiB) Viewed 27 times

(10 pts) A concrete mix design requires each cubic yard of concrete to have 1795 A lbs dry coarse aggregate (density 4500lb/yd3), 1200 lbs fine aggregate (density 4380lb/yd3), 315 lbs water are needed. The available aggregates are: coarse aggregate with moisture content of 3.4%, absorption = 2.1%, fine aggregate with moisture content of 3.3%, absorption 1.5%. How much water is required? a) 270 lbs; b) 259 lbs; c) 315 lbs; d) 214 lbs. a)