【英文标准名称】:Intelligenttransportsystems-Continuousairinterface,longandmediumrange(CALM)-Infra-redsystems
【原文标准名称】:智能运输系统.远中程连续空气接口(CALM).红外系统
【标准号】:ISO21214-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-07
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC204
【标准类型】:()
【标准水平】:()
【中文主题词】:空气接口;载(波)频(率);传播技术;数据处理;数据传送;定义;红外线;红外设备;智能网络;界面;远距离通讯;协议;无线电电路;远程信息管理;传输协议;运输
【英文主题词】:
【摘要】:ThisInternationalStandarddeterminestheairinterfaceusinginfra-redsystemsat820nmto1010nm.Itprovidesprotocolsandparametersformedium-range,medium-tohigh-speedwirelesscommunicationsintheITSsectorusinginfra-redsystems.Suchlinksarerequiredforquasi-continuous,prolongedorshortcommunications?betweenvehiclesandtheroadside,?betweenvehicles,and?betweenmobileequipmentandfixedinfrastructurepoints,overmediumandlongranges.Vehiclesmaybemovingorstationary.Whereverpracticable,thisInternationalStandardhasbeendevelopedbyreferencetosuitableextantInternationalStandards,adoptedbyselection.Requiredregionalvariationsareprovided.Dueaccountisgivento,andusemadeof,anyrelevantpartsofappropriatecommunicationssystems,suchasglobalpositioningsystems(GPS),digitalaudiobroadcasting(DAB),digitalvideobroadcasting(DVB),radiolocalareanetworks(RLANs),digitaldatabroadcasting(DDB),TETRA,FMsubcarrier,mobilebroadbandsystems(MBS,W-ATM),internetprotocols,anddedicatedshortrangecommunication(DSRC).TheInternationalStandard:?supportsdataratesof1Mbit/supto128Mbit/s(itmaysupporthigherdatarates);?supportsvehiclespeedsuptoaminimumof200km/h(closingspeedscouldbedoublethisvalue);?definesorreferencesenvironmentalparametersrelevanttolinkoperation;?supportscommunicationdistancesupto100m(itmaysupportlongercommunicationdistancesof300mto1000m);?supportslatenciesandcommunicationdelaysintheorderofmilliseconds;?iscomplianttoregional/nationalregulatoryparameters;?maysupportotherregional/nationalparametersasapplicable.Application-specificrequirementsareoutsidethescopeofthisInternationalStandard.TheserequirementswillbedefinedintheCALMmanagementandupperlayerstandardsandinapplicationstandards.Application-specificupperlayersarenotincludedinthisInternationalStandard,butwillbedrivenbyapplicationstandards(whichmaynotbetechnologyspecific).
【中国标准分类号】:R85
【国际标准分类号】:03_220_01;35_240_60
【页数】:106P;A4
【正文语种】:英语


【英文标准名称】:Codeofpracticefortheuseofmasonry-Structuraluseofunreinforcedmasonry
【原文标准名称】:砖石工程的实施规程.未加筋砌体的建筑用途
【标准号】:BS5628-1-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2005-12-08
【实施或试行日期】:2005-12-08
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:锚具;砌块(建筑);砌块工作;砖;砌砖工作;空心墙;柱;抗压强度;设计计算;破坏测试;尺寸;安全系数;楼板;基础;独立墙;霜冻敏感性;高度;抗侧向力构件;承重墙;负荷;砖砌体工程;机械测试;非承重墙;塑性分析;毛石;稳定性;硬挺度;石;材料强度;结构设计;测试条件;厚度;墙拉杆;墙
【英文主题词】:Anchorages;Blocks(building);Blockwork;Bricks;Brickwork;Cavitywalls;Columns;Compressivestrength;Designcalculations;Destructivetesting;Dimensions;Factorofsafety;Floors;Foundations;Free-standingwalls;Frostsusceptibility;Height;Lateral-force-resistantmembers;Loadbearingwalls;Loading;Masonrywork;Mechanicaltesting;Non-loadbearingwalls;Plasticanalysis;Rubble;Stability;Stiffness;Stone;Strengthofmaterials;Structuraldesign;Testingconditions;Thickness;Wallties;Walls
【摘要】:ThisPartofBS5628givesrecommendationsforthestructuraldesignofunreinforcedmasonryunitsofbricks,blocks,manufacturedstone,squaredressednaturalstone,andrandomrubblemasonry.NOTEThethicknessofawalldeterminedfromstrengthconsiderationsmaynotalwaysbesufficienttosatisfyrequirementsforotherpropertiesofthewallsuchasresistancetofire,thermalinsulation,soundinsulationorresistancetodamppenetrationandreferenceshouldbemadetoBS5628-3orBS5390,asappropriate.Ithasbeenassumedinthedraftingofthiscodethatthedesignofmasonryisentrustedtocharteredstructuralorcivilengineersorotherappropriatelyqualifiedpersons,forwhoseguidanceithasbeenprepared,andthattheexecutionoftheworkiscarriedoutunderthedirectionofappropriatelyqualifiedsupervisors.
【中国标准分类号】:P24
【国际标准分类号】:91_080_30
【页数】:80P.;A4
【正文语种】:英语