ness modulus of the fine aggregate. Differences in the amount of mortar required for workability with different aggregates, due to differences in particle shape and grading, are compensated for automatically by differences in oven-dry-rodded void content.
The volume of aggregate in ft3, on an oven-dry-rodded basis, for a yd3 of concrete is equal to the value from Table 6.3.6 multiplied by 27. This volume is converted to dry weight of coarse aggregate required in a yd3 of concrete by multiplying it by the oven-dry-rodded weight per ft3 of the coarse aggregate.
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