ASTM C311 C311M-17 Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use in Portland-Cement Concre

ASTMC311/C311M-17isastandardthatprovidestestmethodsforsamplingandtestingflyashornaturalpozzolansintendedforuseinPortland-cementconcrete.Thestandardoutlinesprocedurestoevaluatethechemicalandphysicalpropertiesofthesematerialstoensuretheirsuitabilityandperformanceinconcreteapplications.Itcoversvarioustests,includingfineness,density,strengthactivityindex,andwaterrequirement,amongothers.Compliancewiththisstandardhelpsinverifyingthequalityandconsistencyofflyashandnaturalpozzolans,contributingtothedurabilityandstrengthofconcretestructures.Thisstandardiswidelyusedintheconstructionindustrytoassesssupplementarycementitiousmaterials.