基本信息
| 标准名称： | 高速公路监控设施通信规程 第3部分:LED可变信息标志 |
| 英文名称： | Communication rules of the devices of surveillance and control system for expressway -- Part 3: Changeable message sign of LED |
| 中标分类： |
工程建设 >>
交通运输工程 >>
公路工程 |
| ICS分类： |
土木工程 >>
道路工程 >>
道路设备和装置
|
| 发布部门： | 中华人民共和国交通部 |
| 发布日期： | 2004-11-02 |
| 实施日期： | 2005-02-01 |
| 首发日期： | |
| 作废日期： | |
| 提出单位： | 全国交通工程设施（公路）标准化技术委员会（SAC/TC223） |
| 归口单位： | 全国交通工程设施（公路）标准化技术委员会（SAC/TC223） |
| 起草单位： | 交通部公路科学研究所 |
| 起草人： | 刘文智、贾冬冬、彭辉等 |
| 出版日期： | 2005-02-01 |
| 页数： | 9页 |
适用范围
JT/T606的本部分规定了LED可变信息标志的通信规程，并给出了通信过程中采用的数据格式。
本部分适用于高速公路监控系统中的上位机与安装于路侧的LED可变信息标志之间的数据通信过程。
前言
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目录
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引用标准
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所属分类： 工程建设 交通运输工程 公路工程 土木工程 道路工程 道路设备和装置
【英文标准名称】:StandardGuideforPyrophoricity/CombustibilityTestinginSupportofPyrophoricityAnalysesofMetallicUraniumSpentNuclearFuel
【原文标准名称】:支持金属铀废核燃料自燃性分析的自燃性/易燃性测试用标准指南
【标准号】:ASTMC1454-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:C26.13
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:易燃性;燃烧;点火;金属的;核燃料;支持;测试;铀
【英文主题词】:combustion;ignition;pyrophoricity;spentnuclearfuel;spontaneousignition;uraniummetal;uraniummetaloxidation;zirconiumpyrophricity;zirconiumoxidation
【摘要】:1.1Thisguidecoverstestingprotocolsfortestingthepyrophoricity/combustibilitycharacteristicsofmetallicuranium-basedspentnuclearfuel(SNF).Thetestingwillprovidebasicdataforinputintomoredetailedcomputercodesoranalysesofthermal,chemical,andmechanicalSNFresponses.Theseanalyseswouldsupporttheengineeredbarriersystem(EBS)designbasesandsafetyassessmentofextendedinterimstoragefacilitiesandfinaldisposalinageologicrepository.Thetestingalsocouldprovidedatarelatedtolicensingrequirementsforthedesignandoperationofamonitoredretrievablestoragefacility(MRS)orindependentspentfuelstorageinstallation(ISFSI).1.2Thisguidedescribestestingofmetallicuraniumandmetallicuranium-basedSNFinsupportoftransportation(inaccordancewiththerequirementsof10CFR71),interimstorage(inaccordancewiththerequirementsof10CFR72),andgeologicrepositorydisposal(inaccordancewiththerequirementsof10CFR60/63).Thetestingdescribedhereinisdesignedtoprovidebasicdatarelatedtotheevaluationofthepyrophoricity/combustibilitycharacteristicsofcontainersorwastepackagescontainingmetallicuraniumSNFinsupportofsafetyanalyses(SAR),orperformanceassessments(PA)oftransport,storage,ordisposalsystems,oracombinationthereof.1.3Spentnuclearfuelthatisnotreprocessedmustbeemplacedinsecuretemporaryinterimstorageasasteptowardsitsfinaldisposalinageologicrepository.IntheUnitedStates,SNF,frombothciviliancommercialpowerreactorsanddefensenuclearmaterialsproductionreactors,willbesenttointerimstorage,andsubsequently,todeepgeologicdisposal.U.S.commercialSNFcomespredominantlyfromlightwaterreactors(LWRs)andisuraniumdioxide-based,whereasU.S.DepartmentofEnergy(DOE)owneddefensereactorSNFisinseveraldifferentchemicalforms,butpredominantly(approximately80%byweightofuranium)consistsofmetallicuranium.1.4Knowledgeofthepyrophoricity/combustibilitycharacteristicsoftheSNFisrequiredtosupportlicensingactivitiesforextendedinterimstorageandultimatedispositioninageologicrepository.Theseactivitiescouldincludeinterimstorageconfigurationsafetyanalyses,conditioningtreatmentdevelopment,preclosuredesignbasisevent(DBE)analysesoftherepositorycontrolledarea,andpostclosureperformanceassessmentoftheEBS.1.5Metallicuraniumfuelsareclad,generallywithzirconium,aluminum,stainlesssteel,ormagnesiumalloy,topreventcorrosionofthefuelandtocontainfissionproducts.IfthecladdingisdamagedandthemetallicSNFisstoredinwatertheconsequentcorrosionandswellingoftheexposeduraniumenhancesthechemicalreactivityoftheSNFbyfurtherrupturingthecladdingandcreatinguraniumhydrideparticulatesand/orinclusionsintheuraniummetalmatrix.TheconditionofthemetallicSNFwillaffectitsbehaviorintransport,interimstorageorrepositoryemplacement,orboth,andtherefore,influencetheengineeringdecisionsindesigningthepathwaytodisposal.1.6Zircaloyspentfuelcladdinghasoccasionallydemonstratedpyrophoricbehavior.Thisbehavioroftenoccurredoncladdingpiecesorparticulateresiduesleftafterthechemicaldissolutionofmetallicuraniumoruraniumdioxideduringfuelreprocessingofcommercialspentfueland/orextractionofplutoniumfromdefensereactorspentfuel.Althoughitisgenerallybelievedthatzirconiumisnotasintrinsicallypronetopyrophoricbehaviorasuraniumorplutonium,ithasinthepastignitedafterbeingsensitizedduringthechemicalextractionprocess.Althoughthisguideprimarilyaddressesthepyrophoricityofthemetallicuraniumcomponentofthespentfuel,someofthegeneralprinciplesinvolvedcouldalsoapplytozirconiumalloyspentfuelcladding.1.7Theinterpretationofthetestdatade......
【中国标准分类号】:F40
【国际标准分类号】:27_120_30
【页数】:11P.;A4
【正文语种】: