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A concrete batch plant provided the Design Strength for the engineer's mix design to match the project's specification requirement for a 4000 psi Tremie pump mix. The Water-cement ratio is most nearly:
Solution:
From the given information:
Cement + Flyash = 658-lbs
Water = 30.0-gal x 8.345-lbs/gal = 250.35-lbs
w/c = 250.35 / 658 = .38
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