【英文标准名称】:Thermalinsulatingproductsforbuildingapplications.Determinationofcompressivecreep.
【原文标准名称】:建筑物绝热产品.压缩蠕变的测定
【标准号】:NFP75-210-1997
【标准状态】:现行
【国别】:法国
【发布日期】:1997-07-01
【实施或试行日期】:1997-07-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑物;耐久试验;绝热材料;应力;隔热;测量技术;绝缘材料;长期性状;建筑;蠕变性能;塑料;蠕变;抗压应力;压力荷载;施工材料;定义;试验;试验装置;特性;测定;压力试验;材料试验
【英文主题词】:
【摘要】:
【中国标准分类号】:Q25
【国际标准分类号】:91_100_60
【页数】:22P;A4
【正文语种】:其他


【英文标准名称】:Railwayapplications—Radioremotecontrolsystemoftractionvehicleforfreighttrafficinmultipletractionoperation
【原文标准名称】:铁路应用设施.多种牵引货中货运牵引车的无线电遥控系统
【标准号】:BSPDCLC/TR50452-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-06-29
【实施或试行日期】:2007-06-29
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Multitractionisusedwhenever–thetractiveeffortofthetractionvehicleisnotsufficientfortheparticularoperationalapplication,–differentindependenttrainsarelinkedtogethertoformalongertrainconsist.Inatrainconsistwithmorethanonetractionvehicle,oneofthetractionvehiclesisalwaystheLeadingTractionVehicle(LTV).TheothertractionvehiclescontainedintheoveralltrainconsistarecontrolledandmonitoredbytheLTV.Thisarrangementmeansthatcommunicationbetweenthedifferenttractionvehiclesisnecessary.Communicationcanbeachievedbymeansofacablelinkoraradiolink.Aradiolinkisforexamplenecessarywhenevertherearewagonsbetweenthetractionvehiclesandwheneverthesewagonsdonothaveanycommunicationcableswithappropriateinfrastructure.CommandsaregenerallysentbytheoperatingpersonnelonlytotheLTV.Iftherearewagonsbetweenthetractionvehicles,theeffectoflongitudinaldynamiceffortandbrakingbehaviourmustbetakenintoconsiderationduringriskanalysis.Thisisapplicableparticularlywhentheoveralltrainconsistorindividualtrainsegmentsareverylongand/orheavy.ItshouldbepossibleforeverytractionvehicletobeusedasaLTVorasaGuidedTractionVehicle(GTV)inthetrainconsist.Inallcircumstancestheoperatorshouldhaveaclearviewofthetrackinthedirectionoftravel.Witharadiolink,particularattentionshouldasaminimumbegiventothefollowingpoints:?Allocationoftractionvehiclesinthetrainconsist-locationandaddressoftheGTVandLTVinthetrainconsist;-definitionofdirectionoftravelforeachtractionvehicle;-itshouldbeimpossibleforanyLTVtocontrolanyGTVfromanothertrainconsistatanytime.?Considerationofspecialaspectsofaradiolink-maximumnumberofalltractionvehiclesinaradiosystem:-uniqueaddressforeachtractionvehicle,-addressstock,-numberoftractionvehiclesortrainsthatcanbesimultaneouslyoperatedintheareaofcoverage,-responsetime;-radioresponsetimes;-radiointerference/radiointerruption:-localinfrastructure(e.g.stationaryrepeaters),-trainconsistequipment(e.g.multiplereceiversandrepeatersonthetrain),-radiotransmissionsystem(see9.2.4ofEN50239):-EN50159-1closedtransmissionsystem,or-EN50159-2opentransmissionsystem;-areaofapplication;-considerationgiventoregulationsinthecountryofuse;-availabilityoftheradiochannel:-exclusiveornon-exclusivefrequenciesintheareaofapplication,-guaranteedtimeforconnectionestablishmentorcommandtransmissiondependingontheassignedfrequencychannel.?Responseafterradiointerruption(bytheoperatorand/orautomaticallybythetrainconsist)-dependingonthetrainlengthandweightinvolved;-dependingonwhethertheBrakePipe(BP)issegmentedorunsegmented;-dependingonthetrainspeed;-dependingonthedurationofradiointerruption;-dependingonthelocaltopography(e.g.tunnels).
【中国标准分类号】:S64
【国际标准分类号】:33_200;45_020;45_060_10
【页数】:10P.;A4
【正文语种】:英语