【英文标准名称】:StandardTestMethodforComparingtheAbrasionResistanceofCoatingMaterialsforCorrugatedMetalPipe
【原文标准名称】:波纹形金属管用涂层材料耐磨性比较的标准试验方法
【标准号】:ASTMA926-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:A05.17
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:abrasionresistanceofpipecoatings;coatings&x2014;abrasion;corrugatedmetalpipe;resistanceofcoatingmaterialstoabrasion;steelpipecoatings;Abrasionresistance;Coatings;Corrugatedsteelsewer/drainpipe;Meta
【摘要】:Thistestmethodprovidesameansofdetermininganabrasionrate(weightandcalculatedaveragethicknessloss)whencomparingmaterials,coatings,pavings,orliningsundertestconditionsthatwillbesubjectedtoabrasivebedloads.Theimportanceofthisinformationisrecognizedwhendealingwithculverts,stormandsanitarysewerapplications,althoughthelasttwogenerallydonothavethesamedegreeofabrasionduetotheflatterslopesandlessbedloadsthanculverts.Specifically,theinvertofthesetypesofpipe,regardlessofthematerialused,canbeexposedtoflowscontainingabrasivebedloadsorsolidparticulatesthatcausewearingofthepipewall.Bysubjectingmaterialstowearinthebedloadabrasionmachinewithacontrolledbedloadchargemadeupoffineaggregateandcoarseaggregateoveraspecifiedperiod,acomparisonoftheresistancebetweenmaterialscanbeestablished.Thistestmethoddoesnotsimulatetheeffectofabrasivematerialstrikingtheupstreamfaceofcorrugations,aswouldbetypicalforcoatingmaterialswhichdonotcompletelyfillthecorrugations.Note18212;Caution:Thistestmethodusesspecificquantitativevaluestoencouragerepetitiveresultsanddoesnotconsidervaryingbedloadcharacteristics,ratioofwatertobedload,velocity,timeoractualfieldconditions,andtheeffectofexposededgesonlaminates.Theusermustuseextremecareincomparingonetestresulttoanotherbecauseoftheseandothervariables.1.1Thistestmethodcoversaprocedureforcomparingmaterialsusedforcoating,pavingandliningcorrugatedmetalpipebyuseofabedloadabrasiontestingmachine.Theprocedureattemptstosimulatetheeffectofstone,gravelandsandcarriedbyastreamthroughcorrugatedmetalpipe.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.TheSIunitsgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_01
【页数】:5P.;A4
【正文语种】:英语