% Greater than 3 inches is the percentage of the sample that is retained on the 3 inch sieve. Typical gradation
tests report the “percent finer” or percentage that passes a particular sieve. In this example the percent finer for
the 3 inch sieve is 100% so 0% of the sample is retained on the 3 inch sieve.
% Greater than 3/4 inch is the percentage of the sample that is retained on the 3/4 inch sieve. Typical
gradation tests report the “percent finer” or percentage that passes a particular sieve. In this example the percent
finer for the 3/4 inch sieve is 98.7% so 1.3% of the sample is retained on the 3/4 inch sieve.
Part 7: Explanation of Gradation and Compaction Reports
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