AS 1141.21-1997
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Methods for sampling and testing aggregates, Method 21: Aggregate crushing value
Specifies the method for determining the aggregate crushing value by tamping a measured mass of sieved material (14 mm nominal size) in a standard cylinder, crushing with a plunger and determining the mass passing a 2.36 mm sieve. Material of other nominal sizes may be used but the result may not be comparable.
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