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AASHTO T 22M/T 22-20
AASHTO T 22M/T 22-20 Standard Method of Test for Compressive Strength of Cylindrical Concrete Specimens (ASTM C 39/C 39M-18)
standard by American Association of State and Highway Transportation Officials, 2020
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M00001140
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AASHTO T 22M/T 22-20 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 800 kg/m3 (50 lb/ft3).Warning - Means should be provided to contain concrete fragments during sudden rupture of specimens. Tendency for sudden rupture increases with increasing concrete strength. The safety precautions given in the Manual of Aggregate and Concrete Testing, located in the Related Materials section of Volume 04.02 of the Annual Book of ASTM Standards, are recommended.
