【英文标准名称】:CommercialBuildingTelecommunicationsCablingStandard-Part2:-BalancedTwisted-PairCablingComponents-Addendum9-AdditionalCategory6BalanceRequirementsandMesurementProcedures
【原文标准名称】:商用建筑电信电缆敷设标准.第2部分：平衡双绞线电缆组件.补充件9.附加分类6平衡要求和测量过程
【标准号】:ANSI/TIA-568-B.2-9-200x-2005
【标准状态】:现行
【国别】:
【发布日期】:2005-09
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:P91
【国际标准分类号】:33_040_01;91_140_50
【页数】:
【正文语种】:英语
基本信息
| 标准名称： | 强固长方形支承 |
| 中标分类： |
机械 >>
工艺装备 >>
组合卡具 |
| 发布日期： | 1987-04-08 |
| 实施日期： | 1987-07-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 3页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 机械 工艺装备 组合卡具
【英文标准名称】:StandardTestMethodforMeasurementofAsphaltShingleMechanicalUpliftResistance
【原文标准名称】:沥青盖屋板耐机械提升性测量的标准试验方法
【标准号】:ASTMD6381-2003b
【标准状态】:现行
【国别】:
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D08.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:粘结强度;试验;机械性能;屋顶层;屋顶墙面板
【英文主题词】:asphaltshingle;factory-appliedsealant;field-appliedsealant;sealantbondstrength;shinglemechanicalupliftresistance
【摘要】:Upliftresistanceisoneofthepropertiesofanappliedshinglethatrelatestoitsabilitytowithstandwindforces.Themechanicaltestsdescribedarelaboratorymethodstomeasurethatresistanceatadesignatedtemperatureaftertheshingleshavebeensealedunderdesignatedconditions.5.1.1Noquantitativerelationshiphasbeenestablishedbetweenthemechanicalupliftresistanceandupliftforcesduetothewind.Manyfactorsinfluencethesealingcharacteristicsofshinglesinthefield;forexample,temperature,time,contaminationbydirtanddebris,roofslope,andinterferencebymisplacedfasteners.Itisnottheobjectiveofthistestmethodtoaddressalloftheseinfluences.Thistestmethodisdesignedtodeterminethemechanicalupliftresistancewhenrepresentativespecimensofshinglesaresealedunderselectedconditionspriortotesting.ProcedureAproduceslowerresultsthanProcedureB.ProcedureAprovidesanedge-liftloadvalueandProcedureBprovidesaperpendicularloadvalue.Theprocedureapplicabletoaspecificproductdependsonthespecificproductdesign,geometry,andrigidity.Itistheresponsibilityoftheuserofthistestmethodtodeterminetheappropriateprocedurewithreferencetothespecificproductandapplication.Itispossiblethatengineeringcalculationswouldrequirebothprocedurestobeemployed,andforbothresultstobeusedinthecalculationoftheresistanceofthatspecificproducttotheeffectsofwind.1.1Thistestmethodcoversmeasuringtheupliftresistanceofasphaltroofingshinglesbymechanicalmeans.Itisapplicabletoshinglesthatuseafactory-appliedorfield-appliedsealant.1.2Thereareseveraltypesofshinglesdesignedforservicewithoutafactory-appliedorfield-appliedsealant.Theseshingles,whenappliedinaccordancewiththemanufacturers'applicationinstructions,employothermeanstoprovideresistanceagainsttheforcesgeneratedbytheactionofwindsuchasgeometryandshingleconstruction.Fieldexperiencehasshownthatthesetypesofshinglesfunctionsatisfactorilyinservice.Becausethereareavarietyoftheseshingledesigns,itisnotpracticaltodescribeinthistestmethodhowtotesttheseshinglesforupliftresistance.Thetestingofthesetypesofshingles,therefore,goesbeyondthescopeofthistestmethod.1.3Thistestmethoddescribestwoproceduresformeasuringshingleupliftresistance.ProcedureAemploysaspeciallydesignedapparatuswithaclampingdevicewhichfacilitatesliftingoftheedgeoftheshingleandmeasuringtheforcerequiredtobreaktheseal.ProcedureBemploysametal"T"sectionadheredtotheweathersurfaceoftheshingletofacilitateapplicationandmeasurementofaperpendicularforcetobreaktheseal.1.4Itisnotprohibitedtousethistestmethodoverarangeofsealingtimeandtemperaturecombinationsandtestingtemperaturestosimulateavarietyofactualfielduseconditions.Thetimesandtemperaturesusedshallbestatedinthereport.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundvaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:
【页数】:9P.;A4
【正文语种】: