Standard Test Method for Compressive Strength of ... - ASTM …
1. Scope. 1.1 This test method covers determination of compressive strength of cylindrical concrete specimens such as molded cylinders and drilled cores. It is limited to concrete having a unit weight in excess of 50 lb/ft 3 [800 kg/m 3 ]. 1.2 The values stated in either inch-pound or SI units are to be regarded separately as standard.