【英文标准名称】:PracticeforConditioningPlasticsandElectricalInsulatingMaterialsforTesting(08.01)
【原文标准名称】:测试用电绝缘材料和调理塑料材料的实施规程
【标准号】:ANSI/ASTMD618-1995
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料;绝缘
【英文主题词】:plastics;insulations
【摘要】:Ingeneral,thephysicalandelectricalpropertiesofplasticsareinfluencedbytemperatureandrelativehumidityinamannerthatmateriallyaffectstestresults.Inorderthatreliablecomparisonsmaybemadeofdifferentmaterialsandbetweendifferentlaboratories,itisnecessarytostandardizethehumidityconditions,aswellasthetemperature,towhichspecimensofthesematerialsaresubjectedpriortoandduringtesting.Thispracticedefinesproceduresforconditioningplastics(althoughnotnecessarilytoequilibrium)priortotesting,andtheconditionsunderwhichtheyshallbetested.Forsomematerials,theremaybeamaterialspecificationthatrequirestheuseofthispractice,butwithsomeproceduralmodifications.Thematerialspecificationtakesprecedenceoverthispractice.Refertothematerialspecificationbeforeusingthispractice.Table1inClassificationD4000liststheASTMmaterialspecificationsthatcurrentlyexist.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note1-ISO291isrelatedtothispractice;however,ISO291describesonlytwotemperatureandhumidityconditionsforconditioningortesting,orboth.
【中国标准分类号】:K15;G31
【国际标准分类号】:29_035_20
【页数】:
【正文语种】:英语


【英文标准名称】:StandardPracticeforInstallingCorrugatedSteelStructuralPlatePipeforSewersandOtherApplications
【原文标准名称】:生活污水管及其它类似用途安装波纹钢板结构管道的标准实施规范
【标准号】:ASTMA807/A807M-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:installation;sewers;steelpipe;structuralplatepipe;Backfill;Corrugatedsteelsewer/drainpipe;Sewerpipe(steel);Steelplatepipe--specifications;Structuralbackfill;Structuralsteel(SS)pipe--specifications;Structuralsteel(SS)plate;Under
【摘要】:Structuralplatestructuresfunctionstructurallyasaflexibleringthatissupportedbyandinteractswiththecompactedsurroundingsoil.Thesoilplacedaroundthestructureisthusanintegralpartofthestructuralsystem.Itisthereforeimportanttoensurethatthesoilstructureismadeupofacceptablematerialandiswellconstructed.FieldverificationofsoilstructureacceptabilityusingTestMethodsD1556,D2167,D2922,orD2937,asapplicable,andcomparingtheresultswitheitherTestMethodsD698orD1557,inaccordancewiththespecificationsforeachproject,isthemostreliablebasisforinstallationofanacceptablestructure.Therequireddensityandmethodofmeasurementarenotspecifiedbythispractice,butmustbeestablishedinthespecificationsforeachproject.1.1Thispracticecoversprocedures,soils,andsoilplacementfortheproperinstallationofcorrugatedsteelstructuralplatepipe,pipe-arches,arches,andunderpassesproducedtoSpecificationA761/A761M,ineithertrenchorembankmentinstallations.Atypicaltrenchinstallationandatypicalembankment(projection)installationareshowninFigs.1and2,respectively.Structuralplatestructuresasdescribedhereinarethosestructuresfactoryfabricatedinplateformandboltedtogetheronsitetoprovidetherequiredshape,size,andlengthofstructure.ThispracticeappliestostructuresdesignedinaccordancewithPracticeA796/A796M.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3Thevaluesstatedineitherinch-poundunitsorSIunitsshallberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.SIunitsareshowninbracketsinthetextforclarity,buttheyaretheapplicablevalueswhentheinstallationistobeperformedusingSIunits.FIG.1TypicalTrenchInstallationFIG.2TypicalEmbankment(Projection)Installation
【中国标准分类号】:Q81
【国际标准分类号】:23_040_15
【页数】:7P.;A4
【正文语种】:英语