1.1 This test method covers the determination of the abrasiveness of rock by the CERCHAR Abrasiveness Index (CAI) method. The test method consists of measuring the wear on the tip of steel stylus with a cone shape and known Rockwell Hardnes
ASTM
Standard Test Method for Laboratory Determination of Abrasiveness of Rock Using the CERCHAR Method
STD-75045
2010
2010-05-15
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