【英文标准名称】:StandardTestMethodforCloudPointofPetroleumProducts(OpticalDetectionSteppedCoolingMethod)
【原文标准名称】:石油制品始凝点的标准试验方法(光学检测逐级降温法)
【标准号】:ASTMD5771-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;冷却速率;光学检测逐级降温;光学检测逐级降温法;石油制品的始凝点;始凝点;石油产品
【英文主题词】:petroleumproducts;cloudpoint;opticaldetectionsteppedcoolingmethod;test;coolingrate;opticaldetectionsteppedcooling;cloudpointofpetroleumproducts
【摘要】:
【中国标准分类号】:E30
【国际标准分类号】:75_160_20
【页数】:5P;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforThin-WalledTubeSamplingofSoilsforGeotechnicalPurposes
【原文标准名称】:土工技术用土壤薄壁管抽样的标准实施规程
【标准号】:ASTMD1587-2008
【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】:D18.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:geologicinvestigations;intact;sampling;soilexploration;soilinvestigations;subsurfaceinvestigations;Geotechnicalengineeringmaterials/processes;Shelbytube;Soilexploration;Soilsampling;Structuralsoilapplications;Thin-walledtubulartest
【摘要】:Thispractice,orPracticeD3550withthinwallshoe,isusedwhenitisnecessarytoobtainarelativelyintactspecimensuitableforlaboratorytestsofengineeringpropertiesorotherteststhatmightbeinfluencedbysoildisturbance.Note28212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivesampling.Usersofthispractice.arecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thispracticecoversaprocedureforusingathin-walledmetaltubetorecoverrelativelyintactsoilsamplessuitableforlaboratorytestsofengineeringproperties,suchasstrength,compressibility,permeability,anddensity.Thin-walledtubesusedinpiston,plug,orrotary-typesamplersshouldcomplywithSection6.3ofthispracticewhichdescribesthethin-walledtubes.Note18212;Thispracticedoesnotapplytolinersusedwithinthesamplers.1.2ThisPracticeislimitedtosoilsthatcanbepenetratedbythethin-walledtube.Thissamplingmethodisnotrecommendedforsamplingsoilscontaininggravelorlargersizesoilparticlescementedorveryhardsoils.Othersoilsamplersmaybeusedforsamplingthesesoiltypes.Suchsamplersincludedrivensplitbarrelsamplersandsoilcoringdevices(D1586,D3550,andD6151).ForinformationonappropriateuseofothersoilsamplersrefertoD6169.1.3Thispracticeisoftenusedinconjunctionwithfluidrotarydrilling(D1452,D5783)orhollow-stemaugers(D6151).Subsurfacegeotechnicalexplorationsshouldbereportedinaccordancewithpractice(D5434).Thispracticediscussessomeaspectsofsamplepreservationafterthesamplingevent.Forinformationonpreservationandtransportationprocessofsoilsamples,consultPracticeD4220.Thispracticedoesnotaddressenvironmentalsampling;consultD6169andD6232forinformationonsamplingforenvironmentalinvestigations.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4.1ThetubingtolerancespresentedinTable1arefromsourcesavailableinNorthAmerica.Useofmetricequivalentisacceptableaslongasthicknessandproportionsaresimilartothoserequiredinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.6Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenpr......
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:4P.;A4
【正文语种】:英语