【英文标准名称】:StandardTestMethodforResistanceofCoarseAggregatetoDegradationbyAbrasionintheMicro-DevalApparatus
【原文标准名称】:小型台佛尔(deval)磨耗机测定粗集料耐磨性的标准试验方法
【标准号】:ASTMD6928-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D04.51
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:abrasionresistance;coarseaggregate;microdeval;Abrasionresistance--concrete/mortar/aggregate;Coarseaggregate;Degradation--aggregate;Grindingmaterials/operations;Micro-Devalapparatus;Mineralaggregate
【摘要】:TheMicro-Devalabrasiontestisatestofcoarseaggregatetodetermineabrasionlossinthepresenceofwaterandanabrasivecharge.Manyaggregatesaremoresusceptibletoabrasionwhenwetthandry,andtheuseofwaterinthistestincorporatesthisreductioninresistancetodegradationincontrasttosomeothertests,whichareconductedondryaggregate.Thetestresultsarehelpfulinevaluatingthetoughness/abrasionresistanceofcoarseaggregatesubjecttoabrasionwhenadequateinformationisnotavailablefromservicerecords.TheMicro-Devalabrasiontestisusefulfordetectingchangesinpropertiesofaggregateproducedfromanaggregatesourceaspartofaqualitycontrolorqualityassuranceprocess.1.1ThistestmethodcoversaprocedurefortestingcoarseaggregateforresistancetoabrasionusingtheMicro-Devalapparatus.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thetextofthismethodreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthetestmethod.1.4Thisproceduremayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q13
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】:英语