HB 2041-1989 深度规体
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基本信息
| 标准名称： | 深度规体 |
| 中标分类： | 航空、航天 >> 航空器与航天器制造用设备 >> 量具 |
| 替代情况： | HB 2041-74 |
| 发布日期： | 1989-05-13 |
| 实施日期： | 1989-12-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 2页 |
适用范围
没有内容
前言
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目录
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引用标准
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所属分类： 航空 航天 航空器与航天器制造用设备 量具
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforFieldMeasurementofHydraulicConductivityLimitsofPorousMaterialsUsingTwoStagesofInfiltrationfromaBorehole
【原文标准名称】:使用从钻孔渗流的两个阶段对多孔材料液压传导性限值进行现场测量的标准试验方法
【标准号】:ASTMD6391-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D18.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:活性;电导性;水平的;液压装置;渗透;测量;多孔材料;阶段;试验方法;垂直
【英文主题词】:horizontalhydraulicconductivity;in-placehydraulicactivity;verticalhydraulicconductivity
【摘要】:1.1Thistestmethodcoversfieldmeasurementoflimitingvaluesforverticalandhorizontalhydraulicconductivities(alsoreferredtoascoefficientsofpermeability)ofporousmaterialsusingthetwo-stage,casedboreholetechnique.Theselimitinghydraulicconductivityvaluesarethemaximumpossiblefortheverticaldirectionandminimumpossibleforthehorizontaldirection.Determinationofactualhydraulicconductivityvaluesrequiresfurtheranalysisbyqualifiedpersonnel.1.2Thistestmethodmaybeutilizedforcompactedfillsornaturaldeposits,aboveorbelowthewatertable,thathaveameanhydraulicconductivitylessthanorequalto110-5m/s(110-3cm/s).1.3Hydraulicconductivitygreaterthan110-5m/smaybedeterminedbyordinaryboreholetests,forexample,U.S.BureauofReclamation7310();however,theresultingvalueisanapparentconductivity.1.4Forthistestmethod,adistinctionmustbemadebetween"saturated"(Ks)and"field-saturated"(Kfs)hydraulicconductivity.Truesaturatedconditionsseldomoccurinthevadosezoneexceptwhereimpermeablelayersresultinthepresenceofperchedwatertables.Duringinfiltrationeventsorintheeventofaleakfromalinedpond,a"field-saturated"conditiondevelops.Truesaturationdoesnotoccurduetoentrappedair().Theentrappedairpreventswaterfrommovinginair-filledporesthat,inturn,mayreducethehydraulicconductivitymeasuredinthefieldbyasmuchasafactoroftwocomparedwithconditionswhentrappedairisnotpresent().Thistestmethodsimulatesthe"field-saturated"condition.1.5Experiencewiththistestmethodhasbeenpredominantlyinmaterialshavingadegreeofsaturationof70%ormore,andwherethestratificationorplaneofcompactionisrelativelyhorizontal.Itsuseinothersituationsshouldbeconsideredexperimental.1.6Asinthecaseofalltestsforhydraulicconductivity,theresultsofthistestpertainonlytothevolumeofsoilpermeated.Extendingtheresultstothesurroundingarearequiresbothmultipletestsandthejudgmentofqualifiedpersonnel.Thenumberoftestsrequireddependsonamongotherthings:thesizeofthearea,theuniformityofthematerialinthatarea,andthevariationindatafrommultipletests.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandardunlessotherunitsspecificallyaregiven.BytraditioninU.S.practice,hydraulicconductivityisreportedincm/salthoughthecommonSIunitsforhydraulicconductivityarem/s.1.8AllobservedandcalculatedvaluesshallconformtotheguideforsignificantdigitsandroundingestablishedinPracticeD6026.1.8.1Theproceduresinthisstandardthatareusedtospecifyhowdataarecollected,recorded,andcalculatedareregardedastheindustrystandard.Inaddition,theyarerepresentativeofthesignificantdigitsthatshouldgenerallyberetained.Theproceduresdonotconsidermaterialvariation,purposeforobtainingthedata,specialpurposestudies,oranyconsiderationsfortheobjectivesoftheuser.Increasingorreducingthesignificantdigitsofreporteddatatobecommensuratewiththeseconsiderationsiscommonpractice.Considerationofthesignificantdigitstobeusedinanalysismethodsforengineeringdesignisbeyondthescopeofthisstandard.1.9Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Thistestmethoddoesnotpurporttoaddressenvironmentalprotectionproblems,aswell.
【中国标准分类号】:Q17
【国际标准分类号】:07_060;73_100_30
【页数】:12P.;A4
【正文语种】:
【原文标准名称】:使用从钻孔渗流的两个阶段对多孔材料液压传导性限值进行现场测量的标准试验方法
【标准号】:ASTMD6391-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D18.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:活性;电导性;水平的;液压装置;渗透;测量;多孔材料;阶段;试验方法;垂直
【英文主题词】:horizontalhydraulicconductivity;in-placehydraulicactivity;verticalhydraulicconductivity
【摘要】:1.1Thistestmethodcoversfieldmeasurementoflimitingvaluesforverticalandhorizontalhydraulicconductivities(alsoreferredtoascoefficientsofpermeability)ofporousmaterialsusingthetwo-stage,casedboreholetechnique.Theselimitinghydraulicconductivityvaluesarethemaximumpossiblefortheverticaldirectionandminimumpossibleforthehorizontaldirection.Determinationofactualhydraulicconductivityvaluesrequiresfurtheranalysisbyqualifiedpersonnel.1.2Thistestmethodmaybeutilizedforcompactedfillsornaturaldeposits,aboveorbelowthewatertable,thathaveameanhydraulicconductivitylessthanorequalto110-5m/s(110-3cm/s).1.3Hydraulicconductivitygreaterthan110-5m/smaybedeterminedbyordinaryboreholetests,forexample,U.S.BureauofReclamation7310();however,theresultingvalueisanapparentconductivity.1.4Forthistestmethod,adistinctionmustbemadebetween"saturated"(Ks)and"field-saturated"(Kfs)hydraulicconductivity.Truesaturatedconditionsseldomoccurinthevadosezoneexceptwhereimpermeablelayersresultinthepresenceofperchedwatertables.Duringinfiltrationeventsorintheeventofaleakfromalinedpond,a"field-saturated"conditiondevelops.Truesaturationdoesnotoccurduetoentrappedair().Theentrappedairpreventswaterfrommovinginair-filledporesthat,inturn,mayreducethehydraulicconductivitymeasuredinthefieldbyasmuchasafactoroftwocomparedwithconditionswhentrappedairisnotpresent().Thistestmethodsimulatesthe"field-saturated"condition.1.5Experiencewiththistestmethodhasbeenpredominantlyinmaterialshavingadegreeofsaturationof70%ormore,andwherethestratificationorplaneofcompactionisrelativelyhorizontal.Itsuseinothersituationsshouldbeconsideredexperimental.1.6Asinthecaseofalltestsforhydraulicconductivity,theresultsofthistestpertainonlytothevolumeofsoilpermeated.Extendingtheresultstothesurroundingarearequiresbothmultipletestsandthejudgmentofqualifiedpersonnel.Thenumberoftestsrequireddependsonamongotherthings:thesizeofthearea,theuniformityofthematerialinthatarea,andthevariationindatafrommultipletests.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandardunlessotherunitsspecificallyaregiven.BytraditioninU.S.practice,hydraulicconductivityisreportedincm/salthoughthecommonSIunitsforhydraulicconductivityarem/s.1.8AllobservedandcalculatedvaluesshallconformtotheguideforsignificantdigitsandroundingestablishedinPracticeD6026.1.8.1Theproceduresinthisstandardthatareusedtospecifyhowdataarecollected,recorded,andcalculatedareregardedastheindustrystandard.Inaddition,theyarerepresentativeofthesignificantdigitsthatshouldgenerallyberetained.Theproceduresdonotconsidermaterialvariation,purposeforobtainingthedata,specialpurposestudies,oranyconsiderationsfortheobjectivesoftheuser.Increasingorreducingthesignificantdigitsofreporteddatatobecommensuratewiththeseconsiderationsiscommonpractice.Considerationofthesignificantdigitstobeusedinanalysismethodsforengineeringdesignisbeyondthescopeofthisstandard.1.9Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Thistestmethoddoesnotpurporttoaddressenvironmentalprotectionproblems,aswell.
【中国标准分类号】:Q17
【国际标准分类号】:07_060;73_100_30
【页数】:12P.;A4
【正文语种】:
基本信息
| 标准名称： | LED筒灯性能要求 |
| 发布部门： | 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 |
| 发布日期： | 2012-12-31 |
| 实施日期： | 2013-09-01 |
| 首发日期： | |
| 作废日期： | |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2013-09-01 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 能源 核技术 能源 核技术综合 技术管理 能源和热传导工程 能源和热传导工程综合
