ASTM D5265-2009 桥冲击试验的标准试验方法

作者:标准资料网时间:2024-05-25 14:08:29 浏览:8831 来源:标准资料网

【英文标准名称】:StandardTestMethodforBridgeImpactTesting
【原文标准名称】:桥冲击试验的标准试验方法
【标准号】:ASTMD5265-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D10.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bridgeimpact;droptest;free-fall;packaging;S.M.I.T.E.tester;Bridgeimpact;Damageassessment;Droptests--shippingcontainers;Free-falldroptester;Narrowpackages;Packing/packagingmaterials/systems;SMITE(simulatedmechanicalimpact)tester
【摘要】:Materialsshippedinelongatedpackagesareliabletodamageasaresultofimpactneartheirmidpointwhenonlytheendsaresupported.Thistypeofdamagecanoccurduringtheshipmentofpackagingofmixeddimensions.Itisparticularlyprevalentduringconveyerlinetransportandsortation.Thistestmethodprovidesameansofdeterminingresistancetosuchdamage.1.1Thistestmethodisintendedtodeterminethecapabilityofalongpackagewithanarrowcross-sectiontoresistimpactnearitscenterwhenthepackageissupportedonlyatitsends.Thistestmethodallowstheusertoselectfromtwotestoptions:OptionAemploystheuseofafree-falldroptester(seeExhibitB),andOptionBemploystheuseofsimulatedmechanicalimpacttestingequipment(S.M.I.T.E.;seeExhibitA).Thetwooptionalproceduresaredesignedtoimpartthesameamountofkineticenergyatimpact;therefore,eachprocedureyieldsequaldamage-producingpotential.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P28
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:英语

下载地址: 点击此处下载

返回跳至顶部

上一篇: ASTM D4694-2009 落重型脉冲负荷装置测量弯曲性的标准试验方法
下一篇: ASTM D6433-2009 道路和停车场路面条件系数测量标准实施规范

【英文标准名称】:ProceduresforachievementofinteroperabilityandsecuritybyuseofenciphermentatthephysicallayerofOSIintelecommunicationsystemsconveyingautomaticdataprocessinginformation
【原文标准名称】:在传送自动数据处理信息的电信系统中开放式系统互连的物理层使用密码以获得互操作性和安全性程序
【标准号】:BS7112-1991
【标准状态】:现行
【国别】:英国
【发布日期】:1991-05-31
【实施或试行日期】:1991-05-31
【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】:数据传送;信息交流;半双工传输;数据传输;开放系统互连;数据转换;编码(数据转换);代码转换;接口(数据加工);同步传输;代码表示;双工传输;数据处理;数据处理;起停式传输;物理层(开放系统互连)
【英文主题词】:Codedrepresentation;Coding;Communication;Communicationsystems;Dataconversion;Dataprocessing;Informationexchange;Informationinterchange;Informationprocessing;Opensystemsinterconnection;Physicallayers;Telecommunication;Telecommunications
【摘要】:ThisInternationalStandardappliestosystemsforenciphermentofADPinformationinthephysicallayerofdatacommunications.ThisInternationalStandardisequallyapplicablewhethertheDataEnciphermentEquipment(DEE)isimplementedasaphysicallyseparatepieceofequipmentorimplementedaspartoftheDataTerminalEquipment(DTE)oraspartoftheDataCircuitterminatingEquipment(DCE).WhentheenciphermentisintegratedintotheDTEorDCE,thisInternationalStandardappliestothoseportionsoftheDTEorDCEdesignwhichimplementtherequirementsofthisInternationalStandard.Interoperabilityrequirementsaredefinedforthefollowingphysicalinterfacedefinitions:V.24,X.20bis,X.21bis,X.20,andX.21.ThephysicallayerisdescribedintheOpenSystemsInterconnectionReferenceModel,ISO7498.Inphysicallayerencipherment,alloftheSDUisnormallyenciphered.TheinteroperabilityrequirementsdescribedinthisInternationalStandardapplytobothsynchronousandasynchronousoperationinbothfullduplexandhalfduplexmodes.ThemainbodyofthisInternationalStandardspecifiesrequirementswhichareapplicabletotheuseofvariousenciphermentalgorithms.AnnexBspecifiesadditionalrequirementsfortheuseofDEA(ANSIX3.92-1981).ThisInternationalStandardalsospecifiestwoalternativemodesofsynchronousoperation-thedelayedoptionandtheimmediateoption-whicharemutuallyincompatible.ThisInternationalStandardalsospecifiestwoalternativeactionsforBREAKsignallingforasynchronousoperation-ClassAandClassB-whicharemutuallyincompatibie.
【中国标准分类号】:L78
【国际标准分类号】:35_040
【页数】:24P;A4
【正文语种】:英语

Product Code:SAE J1113/22
Title:Electromagnetic Compatibility Measurement Procedure for Vehicle Components-Part 22-Immunity to Radiated Magnetic Fields (Cancelled Aug 2010)
Issuing Committee:Electromagnetic Compatibility (Emc) Standards
Scope:This SAE Standard specifies the test methods and procedures for vehicle components to determine the components immunity to radiated magnetic fields.