标准资料网-标准资料免费资源平台

【英文标准名称】:Railwayapplications-Railwayrollingstockpowerandcontrolcableshavingspecialfireperformance-Part3-2:Cableswithcrosslinkedelastomericinsulationwithreduceddimensions-Multicorecables;GermanversionEN50264-3-2:2008
【原文标准名称】:铁路设施具备特殊防火性能的铁路车辆电力电缆和控制电缆标第3-2部分:尺寸减小的交联弹性体绝缘电缆多芯电缆
【标准号】:DINEN50264-3-2-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-03
【实施或试行日期】:2009-03-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:事故预防;尺寸;电缆;电线;电气装置;电性能;电驱动装置;防火安全;绝缘套;作标记;多芯;多线电缆;多股的;性能;保护措施;铁路设施;铁路电力牵引装置;铁道车辆;铁路;铁路车辆;安全;安全工程;安全要求;单芯电缆;规范(验收);火焰表面传播;试验;交通车辆;壁厚
【英文主题词】:Accidentprevention;Dimensions;Electriccables;Electricalcords;Electricalinstallations;Electricalproperties;Electrically-operateddevices;Firesafety;Insulationsleeve;Marking;Multi-core;Multi-corecables;Multi-wire;Properties;Protectivemeasures;Railwayapplications;Railwayelectrictractionequipment;Railwayvehicles;Railways;Rollingstocks;Safety;Safetyengineering;Safetyrequirements;Single-corecables;Specification(approval);Surfacespreadofflame;Testing;Trafficvehicles;Wallthicknesses
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:13_220_20;29_060_20;45_060_01
【页数】:29P.;A4
【正文语种】:德语


【英文标准名称】:StandardPracticeforDeterminingAllowableTensileLoadforPolyethylene(PE)GasPipeDuringPull-InInstallation
【原文标准名称】:沿路安装过程聚乙烯(PE)煤气管的许可拉伸载荷测定用规程
【标准号】:ASTMF1804-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:F17.60
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:gaspipe;polyethylene;pull-ininstallation;Gaspressuresystems/applications;Plasticpipe/tubing/fittings;Polyethylene(PE)pipe;Pull-ininstallation;Tensileproperties/testing--plastics
【摘要】:TheATLvalueisusedtosetthebreak-awaystrengthofaweak-linkdevice,ortosetotherequipmentusedtolimitpullingforceduringpull-ininstallationofpolyethylenegaspipe,ortodetermineifpullingequipmentcanextertpullingforcegreaterthantheATLvalueforthepolyethylenegaspipebeinginstalled.TheATLvalueisdeterminedbeforegaspipeinstallation.1.1Thispracticeprovidesameanstodetermineanallowabletensileload(ATL)valueforapolyethylenegaspipethatistobeinstalledundergroundusingmethodsthatpullthepipeintoatrench(cutorplowed),borehole,casingpipe,orthelike.TheATLvaluetakesintoaccountpipesize,tensileyeildstrength,pipetemperature,andpullingloadduration.1.2TheATLisusedtosetthebreak-awaystrengthforax201C;weak-linkx201D;device,orasalimitsettingforotherdevicesthatcontrolthemaximumpullingforceexertedbyequipmentusedtopullpolyethylenegaspipeintoanundergroundlocation,ortodetermineifpullingequipmentcanextertpullingforcegreaterthantheATLvalueforthegaspipebeinginstalled.Aweak-linkdeviceisinstalledwherethepipepullingequipmentisconnectedtothepolyethylenegaspipe.IfpullingloadexceedstheATLlimit,thedevicede-couplesthepipefromthepullingequipment.Othermeasuresorequipmentthatlimitthepullingforceonthepipearealsoused.WhentheATLvalueiscomparedtothepullingforcedevelopedbythepull-ininstallationequipmentandequipmentcannotextertpullingforcegreaterthantheATLvalue,aweak-linkorotherdeviceforlimitingthepullingforceisnotnecessary.1.3Thispracticedoesnotaddressweak-linkdevicedesignorrequirements,nordoesitaddressthedesignorrequirementsforotherequipmentorproceduresusedtolimitthepullingforceappliedtopolyethylenegaspipeduringpull-ininstallation.1.4Thispracticedoesnotaddressinstallationmethodsorproceduresemployedforpull-inofpolyethylenegaspipe.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q82
【国际标准分类号】:23_040_20
【页数】:2P.;A4
【正文语种】:英语