您的位置: 标准下载 » 国际标准 » BS 英国标准 »

BS DD CEN/TS 15901-7-2009 道路和机场表面特征.利用纵向固定滑动率(LFCG)测定道路表面防滑测定用程序.握柄检测器

作者:标准资料网 时间:2024-05-12 07:27:23  浏览:9276   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Roadandairfieldsurfacecharacteristics-Procedurefordeterminingtheskidresistanceofapavementsurfaceusingadevicewithlongitudinalfixedslipratio(LFCG)-TheGripTester?
【原文标准名称】:道路和机场表面特征.利用纵向固定滑动率(LFCG)测定道路表面防滑测定用程序.握柄检测器
【标准号】:BSDDCEN/TS15901-7-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-12-31
【实施或试行日期】:2009-12-31
【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】:粘附;飞机场建筑;飞机场;车行道(公路);通道和空间体系(建筑物);定义;测定;摩擦系数;纵向流变方向;测量;测量仪器;测量技术;道路磨耗层;公路建设;路面;道路;防滑;防止打滑特性;滑动;滑动防护;表层;表面性质;表面;测试;轮胎把套;磨耗层(道路);
【英文主题词】:Adhesion;Airfieldconstruction;Airfields;Carriageways;Circulationandspacesystems(buildings);Definitions;Determination;Frictionfactor;Longitudinaldirections;Measurement;Measuringinstruments;Measuringtechniques;Roadcarpets;Roadconstruction;Roadsurfaces;Roads;Skidresistance;Skidresistingproperties;Slip;Slippingsecurity;Surfacelayers;Surfaceproperties;Surfaces;Testing;Tiregrips;Wearingcourses(roads);Wetness
【摘要】:ThisTechnicalSpecificationdescribesamethodfordeterminingtheskidresistanceofasurfacebymeasurementofthelongitudinalfrictioncoefficientLFCG.Themethodprovidesameasureofthewetskidresistancepropertiesofaboundsurfacebymeasurementofthelongitudinalfrictioncoefficientusingacontinuousreadingsmallbrakedwheelfixed-slipdevice.Thetesttyreisdraggedoverapre-wettedpavementundercontrolledspeedconditionswhilethetesttyreisparalleltothedirectionofmotionandperpendiculartothepavement.Testspeedscanvaryfrom5km/hto130km/hdependingontheapplication.Themeasuredvaluescanbeaffectedbythetestspeed.Themethodhasbeendevelopedforuseonpavedareassuchasroadsandairportrunwaysandmayalsobeusedindoors.ThisTechnicalSpecificationcoverstheoperationoftheGripTester.TheGripTester?isadevicedevelopedbyFindlayIrvineLtdintheUnitedKingdomthatusesthebrakedwheelfixed-slipprinciplewithasmalltestwheeltomakemeasurementsofskidresistancecontinuouslyonairfields,roadsandothersurfaces.Thefixedslipratiois15%.AmachineconformingtothegeneralcharacteristicsoftheGripTesterandthespecificprovisionsofthisTechnicalSpecificationmayalsobeusedforthetests.Theskidresistanceofapavementisdeterminedbyfrictionmeasurementsandmeasurementsofpavementtexture.WheremeasurementofpavementtextureisrequiredthestandardforthismeasurementandthedeviceisdescribedinENISO13473-1.
【中国标准分类号】:P68
【国际标准分类号】:93_080_20;93_120
【页数】:22P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Environmentaltesting-Part3-4:Supportingdocumentationandguidance;Dampheattests
【原文标准名称】:环境试验第3-4部分:支持文件和指南湿热试验
【标准号】:IEC60068-3-4-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC104
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;环境试验;指导手册;定义;耐力;湿热试验;温度;材料试验;热;气候;腐蚀作用;电气工程;湿度;潮气;试验大气环境;产品
【英文主题词】:Climate;Corrosiveeffects;Damp-heattests;Definitions;Electricalengineering;Environmentaltesting;Guidebooks;Heat;Humidity;Materialstesting;Moisture;Products;Resistance;Temperature;Testatmospheres;Testing
【摘要】:ThispartofIEC60068providesthenecessaryinformationtoassistinpreparingrelevantspecifications,suchasstandardsforcomponentsorequipment,inordertoselectappropriatetestsandtestseveritiesforspecificproductsand,insomecases,specifictypesofapplication.Theobjectofdampheattestsistodeterminetheabilityofproductstowithstandthestressesoccurringinahighrelativehumidityenvironment,withorwithoutcondensation,andwithspecialregardtovariationsofelectricalandmechanicalcharacteristics.Dampheattestsmayalsobeutilizedtochecktheresistanceofaspecimentosomeformsofcorrosionattack.
【中国标准分类号】:A21
【国际标准分类号】:19_040
【页数】:31P.;A4
【正文语种】:英语


【英文标准名称】:InformationTechnology-DataInterchangeon90mmFlexibleDiskCartridgeson10MbyteCapacityUsingSectorServoTracking-ISOType304
【原文标准名称】:信息技术.容量为10Mbyte的用扇段伺服跟踪的90mm盒式软盘上的数据交换.ISO304型
【标准号】:ANSI/INCITS/ISO/IEC13422-1994
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:信息技术;软盘;数据存储;磁道格式;信息交流
【英文主题词】:Dataprocessing;Datarecording;Datastorage;Dimensions;Flexible;Flexibledisks;Informationexchange;Informationinterchange;Informationtechnology;Interchangeability;Magneticdisks;Magneticproperties;Magneticrecording;Physicalproperties;Specifications;Trackformats
【摘要】:Specifiesthecharacteristicsof90mmFlexibleDiskCartridgesof10Mbyteformattedcapacity,recordedat33157ftpradusingmodifiedfrequencymodulationrecordingandsectorservotrackingon255datatracksoneachside.
【中国标准分类号】:L64
【国际标准分类号】:35_220_21
【页数】:
【正文语种】:英语