【英文标准名称】:StandardPracticeforDescriptionofFrozenSoils(Visual-ManualProcedure)
【原文标准名称】:冻土的描述(人工目测法)
【标准号】:ASTMD4083-1989(2007)
【标准状态】:现行
【国别】:
【发布日期】:1989
【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】:D18.19
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:土壤;施工材料;建筑;描述
【英文主题词】:frozen;ice;permafrost;soil;undisturbed
【摘要】:Thispracticeisintendedprimarilyforusebygeotechnicalengineersandtechniciansandgeologistsinthefield,wherethesoilprofileorsamplesfromitmaybeobservedinarelativelyundisturbed(frozen)state.Itmayalsobeusedinthelaboratorytodescribetheconditionofrelativelyundisturbedsoilsamplesthathavebeenmaintainedinafrozenconditionfollowingtheiracquisitioninthefield.Thepracticeisnotintendedtobeusedindescribingunfrozensoilsordisturbedsamplesoffrozensoil.1.1Thispracticepresentsaprocedureforthedescriptionoffrozensoilsbasedonvisualexaminationandsimplemanualtests.1.2ItisintendedtobeusedinconjunctionwithTestMethodD2487andPracticeD2488,whichdescribeandclassifysoils,butdonotcovertheirfrozenstate.1.3Thisprocedureisbasedon"GuidetoFieldDescriptionofPermafrostforEngineeringPurposes,"NationalResearchCouncilofCanada,1963,andMIL-STD-619.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.5Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:P13
【国际标准分类号】:13_080_01
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:BasicRequirementsforCompressedNaturalGasVehicle(NGV)FuelContainers
【原文标准名称】:压缩天然气车辆(NGV)燃料容器基本要求
【标准号】:ANSI/CSANGV2-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000
【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】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Compressedgasequipment;Enginefuelsystems;Naturalgas;Vehicles
【摘要】:
【中国标准分类号】:T11
【国际标准分类号】:
【页数】:
【正文语种】:英语