Determine the required weights of cement

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Reference no: EM131233685

In given Problem, assume that the fine aggregate contains 7% free moisture, by weight, and the coarse aggregate contains 3% free moisture by weight. Determine the required weights of cement, fine aggregate, coarse aggregate, and volume of added water for an 8-cy batch.

Problem

A concrete batch calls for the following quantities per cubic yard of concrete, based on saturated surface-dry conditions of the aggregate. Determine the required weights of each solid ingredient and the number of gallons of water required for a 6.5-cy batch. Also determine the wet unit weight of the concrete in pounds per cubic foot (cement 3,666 lb; fine aggregate 9,230 lb; coarse aggregate 11,960 lb; water 1,841 lb; wet unit weight 152 pcf).

Reference no: EM131233685

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