HG/T 2267-1992 纯碱铸铁塔通用技术条件
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来源:标准资料网
基本信息
| 标准名称： | 纯碱铸铁塔通用技术条件 |
| 中标分类： |
化工 >>
化工机械与设备 >>
化工设备 |
| ICS分类： |
化工技术 >>
化工设备
|
| 替代情况： | 被HG/T 2267-2012代替 |
| 发布日期： | 1992-01-08 |
| 实施日期： | 1992-07-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2013-03-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 8页 |
适用范围
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前言
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引用标准
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所属分类： 化工 化工机械与设备 化工设备 化工技术 化工设备
【英文标准名称】:Superjumbo4-pinbase;gauge
【原文标准名称】:电子管用4-25管座(超巨型管座).量规
【标准号】:DIN41607-2-1962
【标准状态】:作废
【国别】:德国
【发布日期】:1962-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:钢;质量(物质);量规;底座;电子管;材料
【英文主题词】:mass;steels;materials;electrontubes;plinths;gauges
【摘要】:
【中国标准分类号】:L98
【国际标准分类号】:31_100
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforMeasuringtheFrictionalPropertiesofWinterContaminatedPavementSurfacesUsinganAveraging-TypeSpotMeasuringDecelerometer
【原文标准名称】:用平均型斑点测量减速计测量冬天受污染路面摩擦性能的标准试验方法
【标准号】:ASTME2101-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:E17.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:airportrunwayfriction;braking;deceleration;decelerometer;tirepavementfriction;winterconditions
【摘要】:Knowledgeofthefrictionalpropertiesofawintercontaminatedpavementsurfaceisessentialtoevaluatethebrakingeffortofgroundvehiclesoraircraftoperatingonapavementsurface.Thepresenceofcontaminantsonapavementsurfacewillaffectthefrictionalpropertiesofthesurfaceinamannerwhichisdifficulttoevaluatebyvisualobservationalone.Thefrictionalpropertiesofawintercontaminatedpavementsurfacecanbecharacterizedusingaspotmeasuringdecelerometerwhichprovidesameasurementofthesurfacefrictionandassistswiththeevaluationofpavementwintermaintenancerequirements.Themeasurementsproducedbythistestmethodshouldnotbeusedasthesolecriteriatodeterminepavementwintermaintenancerequirements.Themeasurementswouldnormallybecombinedwithvisualandotherobservationstoprovideamorecompleteanalysisofthepavementsurfaceconditions.Acertainamountofdiscretionisrequiredonthepartoftheoperatorasthistestmethodprovidesonlyax201C;spotx201D;measurementofthesurfacecondition.Theobjectiveoftheoperatoristoidentifyareasofthewintercontaminatedpavementsurfacewhichmayhavelowerfrictionandthenobtainfrictionmeasurementsinthoseareas.Thismakesthetestmethodsomewhatconservativebynatureincomparisontotheactualfrictionpotential.Themeasurementsproducedbythistestmethodaredependentonthetestvehicleparametersandonthebrakingtechniqueofthevehicleoperator.1.1Thistestmethodcoversthemeasurementofthefrictionalpropertiesofwintercontaminatedpavementsurfacesusinganaveraging-typespotmeasuringdecelerometer.Themethodproducesareadingthatisproportionaltothedecelerationsustainedbyatestvehiclefittedwithpneumaticrubbertiresbrakingwithallwheelslocked.Africtionindexforasectionofwintercontaminatedpavementisdeterminedfromtheaverageofseveraldecelerationmeasurementsrecordedoverthesectionofwintercontaminatedpavement.1.2Thistestmethodisapplicabletoaveraging-typespotmeasuringdecelerometers.1.3Thistestmethodisapplicabletothefollowingwintercontaminatedpavementsurfaceconditions:1.3.1Ice;1.3.2Wetice(icecoveredwithathinfilmofmoistureofadepthinsufficienttocausehydroplaning);1.3.3Compactedsnow,anydepth;1.3.4Slushonice,slushnotexceeding3mm(0.1in.)indepth;1.3.5Loose,drysnow,notexceeding25mm(1in.)indepth;1.3.6Icecontrolchemicalsolutiononice;and1.3.7Sandonice.1.4Thistestmethodshallnotbeusedwhenthefollowingwintercontaminatedpavementsurfaceconditionsarepresent:1.4.1Wateronabarepavementsurface;1.4.2Slush;and1.4.3Loosesnowexceeding25mm(1in.)indepth.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareininch-poundunitsandarenotexactequivalents,therefore,eachsystemmustbeusedindependentoftheother,withoutcombiningvaluesinanyway.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P66
【国际标准分类号】:13_020_40
【页数】:4P.;A4
【正文语种】:
