【英文标准名称】:Instructionsforcalculatingthermalendurancecharacteristics-Calculationsusingmeanvaluesofnormallydistributedcompletedata
【原文标准名称】:耐热性能计算说明.正态分布全部数据的平均值计算
【标准号】:BS5691-3.1-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-11-15
【实施或试行日期】:1995-11-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电绝缘材料;统计数据;数学计算;统计方法分析;计算机程序;耐久试验;统计检验;热试验
【英文主题词】:
【摘要】:
【中国标准分类号】:K15
【国际标准分类号】:29_035_01
【页数】:32P;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforCompositeCorrugatedSteelPipeforSewersandDrains
【原文标准名称】:排污和排水用复合波纹状钢管的标准规范
【标准号】:ASTMA1042/A1042M-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:compositecorrugatedsteelpipe;corrugatedsteelpipe;drainagepipe;sewerpipe;Corrugatedsteelsewer/drainpipe;Drains;Sewers
【摘要】:1.1Thisspecificationcoverscompositecorrugatedsteelpipe,intendedforusessuchasstormwaterdrainage,sanitarysewers,underdrains,constructionofculverts,andsimilaruses.Thecompositematerialusedinfabricationofthepipeconsistsofathree-layerpolymerprotectivecoatingonbothsidesofasteelsheetcore.Thethreelayersconsistofaninnerlayeroffusion-bondedepoxyonthesteelsurface,anintermediatelayerofpolyethyleneadhesive,andanouterlayerofhigh-densitypolyethylene.1.2Thethree-layerpolymercoatingprotectsthebasemetalagainstcorrosionorabrasion,orboth.Severeenvironmentsarelikelytocausecorrosionproblemstoaccessoryitemssuchascouplingbandhardwareunlesssupplementalprotectionisprovided.AdditionalprotectionforcompositesteelpipeisavailablebyuseofcoatingsappliedafterfabricationofthepipeasdescribedinSpecificationA849.1.3Thisspecificationdoesnotincluderequirementsforbedding,backfill,ortherelationshipbetweenearthcoverloadandsheetthicknessofthepipe.Experiencewithdrainageproductshasshownthatsuccessfulperformancedependsupontheproperselectionofcorrugationprofile,sheetthickness,typeofbeddingandbackfill,controlledmanufactureintheplant,andcareininstallation.TheinstallationprocedureisdescribedinPracticeA798/A798M.1.4Thisspecificationisapplicabletoordersineitherinch-poundunitsasA1042,orinSIunitsasA1042M.Inch-poundunitsandSIunitsarenotnecessarilyequivalent.SIunitsareshowninbracketsinthetextforclarity,buttheyaretheapplicablevalueswhenthematerialisorderedtoA1042M.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:Q81
【国际标准分类号】:93_030
【页数】:8P.;A4
【正文语种】:英语