Concrete Pump Coarse Aggregate Grading

Apr 10, 2021 Thus, corrected volume of coarse aggregate for the water-cement ratio of 0.40 = 0.62. For pump-able concrete the volume of coarse aggregate is reduced by 10%. Therefore, volume of coarse aggregate = 0.62 x 0.9 = 0.56. Volume of fine aggregate = 1 – 0.56 = 0.44. Mix Calculation: The mix proportion per unit volume of concrete is calculated as ...

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