ASTM C142
ASTM C142 – Standard Test Method for Clay Lumps and Friable Particles in Aggregates Description: Significance and Use 4.1 This test method is of primary significance in determining the acceptability of aggregate with respect to the requirements of Specification C33/C33M. Scope 1.1 This test method covers the approximate determination of clay lumps and friable particles in aggregates. 1.2 The …