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A concrete mix design requires each cubic yard of concrete to have 1800 lbs dry coarse...

A concrete mix design requires each cubic yard of concrete to have 1800 lbs dry coarse aggregate (density 4400lb/yd3), 615 lbs cement (density 5300lb/yd3), 320 lbs water (density 1680 lb/yd3), and 6% air.

The available aggregates are: coarse aggregate with moisture content of 3.0%, absorption = 1.7%, fine aggregate with moisture content of 3.3%, absorption = 1.9%.

Calculate

a. Required weight of coarse aggregate

b. Required weight of fine aggregate (density 4250 lb/yd3)

c. Required weight of water

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