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Roadway

Combined Aggregate Specifications.

The Washington Aggregate and Concrete Association and the Washington State Department of Transportation have produced a combined concrete aggregate gradation specification. As part of this effort a Excel Spread Sheet has been developed to help evaluate proposed gradations.

English 0.45 power chart (xls 68 kb)

Metric 0.45 power chart (xls 54 kb)

Last Updated on March 9, 2001


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