【英文标准名称】:StandardSpecificationforCorrugatedSteelPipe,PolymerPrecoatedforSewersandDrains
【原文标准名称】:下水道和排水沟用预涂聚合物波纹钢管的标准规范
【标准号】:ASTMA762/A762M-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:corrugatedsteelpipe;drainagepipe;metalliccoatedsteelpipe;polymerprecoated;sewerpipe;Corrugatedsteelsewer/drainpipe--specifications;Metallic-coatedsteelpipe--specifications;Polymercoatings--steel;Sewerpipe(steel)--specifications;St
【摘要】:1.1Thisspecificationcoverspolymerprecoatedcorrugatedsteelpipeintendedforuseforstormwaterdrainage,underdrains,theconstructionofculverts,andsimilaruses.Pipecoveredbythisspecificationisnotnormallyusedfortheconveyanceofsanitaryorindustrialwastes.Thesteelsheetusedinfabricationofthepipehasapolymerprotectivecoatingoverametalliccoatingofzinc,55%aluminum-zincalloy,orzinc-5%aluminum-mischmetalalloy.1.2Thepolymerprecoatingprovidesextraprotectionofthebasemetalagainstcorrosionorabrasion,orboth,inadditiontothatprovidedbythemetalliccoating.Somesevereenvironmentsmaycausecorrosionproblemstoaccessoryitemssuchasrivetsorcouplingbandhardwarethatdoesnothaveapolymercoating.AdditionalprotectionforpolymerprecoatedcorrugatedsteelpipecanbeprovidedbyuseofcoatingsappliedafterfabricationofthepipeasdescribedinSpecificationA849.1.3Thisspecificationdoesnotincluderequirementsforbedding,backfill,ortherelationshipbetweenearthcoverloadandsheetthicknessofthepipe.Experiencehasshownthatthesuccessfulperformanceofthisproductdependsupontheproperselectionofsheetthickness,typeofbeddingandbackfill,controlledmanufactureintheplant,andcareintheinstallation.TheinstallationprocedureisdescribedinPracticeA798.1.4Thisspecificationisapplicabletoordersineitherinch-poundunitsasA762,orinSIunitsasA762M.Inch-poundunitsandSIunitsarenotnecessarilyequivalent.SIunitsareshowninbracketsinthetextforclarity,buttheyaretheapplicablevalueswhenthematerialisorderedtoA762M.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_10
【页数】:10P.;A4
【正文语种】:英语