ASTM C 39/C 39M - 09a Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens

American Society for Testing and Materials (ASTM). Current edition approved Dec. 15, 2009. Published February 2010. 7 p. 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 density in excess of 800 kg/m3 [50 lb/ft3].