DIN EN 60512-20-1-2010 电子设备用连结器.试验和测量.第20-1部分:Firehazardtests.Test20a:火灾隐患试验.可燃性,针焰(IEC60512-20-1-2010);德文版本EN60512-20-1-2010

作者:标准资料网时间:2024-05-04 09:07:25 浏览:9985 来源:标准资料网

【英文标准名称】:Connectorsforelectronicequipment-Testsandmeasurements-Part20-1:Firehazardtests-Test20a:Flammability,needle-flame(IEC60512-20-1:2010);GermanversionEN60512-20-1:2010
【原文标准名称】:电子设备用连结器.试验和测量.第20-1部分:Firehazardtests.Test20a:火灾隐患试验.可燃性,针焰(IEC60512-20-1-2010);德文版本EN60512-20-1-2010
【标准号】:DINEN60512-20-1-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-12
【实施或试行日期】:2010-12-01
【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】:
【英文主题词】:Combustibility;Components;Connections;Contact;Electriccontacts;Electricplugs;Electricalcomponents;Electricalengineering;Electricalequipment;Electronicengineering;Electronicequipment;Electronicequipmentandcomponents;Electronicinstruments;Fireresistance;Fire-resistant;Flammability;Ignitingsources;Measurement;Measuringtechniques;Methodsformeasuring;Needle-flame;Plug-and-socketconnection;Resistance;Surfacespreadofflame;Testing
【摘要】:
【中国标准分类号】:L23
【国际标准分类号】:31_220_10
【页数】:10P;A4
【正文语种】:德语

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基本信息

标准名称：	雪茄烟纸
中标分类：	轻工、文化与生活用品 >> 造纸 >> 纸
替代情况：	转化为QB/T 3525-99
发布日期：
实施日期：	1990-10-01
首发日期：
作废日期：
出版日期：

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所属分类：轻工文化与生活用品造纸纸

【英文标准名称】:StandardTestMethodforUnconfinedCompressiveStrengthofCompactedSoil-LimeMixtures
【原文标准名称】:压实的土壤石灰混合物的无侧限抗压强度的标准试验方法法
【标准号】:ASTMD5102-2009
【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】:D18.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:limecontent;soil-lime;soil-stabilization;specimenpreparation;unconfinedcompressivestrength;Compressiontesting--soil;Compressiontesting--soil-cement;Limecontent--soil-limemixtures;Soil-limemixtures;Soilstabilization
【摘要】:Compressiontestingofsoil-limespecimensisperformedtodetermineunconfinedcompressivestrengthofthecuredsoil-lime-watermixturetodeterminethesuitabilityofthemixtureforusessuchasinpavementbasesandsubbases,stabilizedsubgrades,andstructuralfills.Compressivestrengthdataareusedinsoil-limemixdesignprocedures:(a)todetermineifasoilwillachieveasignificantstrengthincreasewiththeadditionoflime;(b)togroupsoil-limemixturesintostrengthclasses;(c)tostudytheeffectsofvariablessuchaslimepercentage,unitweight,watercontent,curingtime,curingtemperature,etc.;and(d)toestimateotherengineeringpropertiesofsoil-limemixtures.Limeisgenerallyclassifiedascalciticordolomitic.Usuallyinsoilstabilization,high-calciumlime[CaO]ordolomiticlime[CaO+MgO]areused.Thelimeistransformedfromoxidetohydroxideform[[Ca(OH)2or[Ca(OH)2+Mg(OH)2]]bytheadditionofwaterinthesoil,aslurrytank,oratamanufacturingfacility.Limemayincreasethestrengthofcohesivesoil.Thetypeoflimeincombinationwithsoiltypeinfluencestheresultingcompressivestrength.Note28212;TheagencyperformingthistestmethodcanbeevaluatedinaccordancewithPracticeD3740.Notwithstandingstatementsonprecisionandbiascontainedinthismethod:Theprecisionofthistestmethodisdependentonthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilityused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting.UsersofthistestmethodarecautionedthatcompliancewithPracticeD3740doesnot,initself,ensurereliabletesting.Reliabletestingdependsonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthesefactors.1.1Thistestmethodcoversproceduresforpreparing,curing,andtestinglaboratory-compactedspecimensofsoil-limeandotherlime-treatedmaterials(Note1)fordeterminingunconfinedcompressivestrength.Thistestmethodcanbeusedforspecimenspreparedatthemaximumunitweightandoptimumwatercontent,orforspecimenspreparedatothertargetunitweightandwatercontentlevels.OtherapplicationsaregiveninSection5onSignificanceandUse.Note18212;Lime-basedproductsotherthancommercialquicklimeandhydratedlimearealsousedinthelimetreatmentoffine-grainedcohesivesoils.Limekilndust(LKD)iscollectedfromthekilnexhaustgasesbycyclone,electrostatic,orbaghouse-typecollectionsystems.SomelimeproducershydratevariousblendsofLKDplusquicklimetoproducealime-basedproduct.1.2Coredspecimensofsoil-limeshouldbetestedinaccordancewithTestMethodsD2166.1.3Twoalternativeproceduresareprovided:1.3.1ProcedureAdescribesproceduresforpreparingandtestingcompactedsoil-limespecimenshavingheight-to-diameterratiosbetween2.00and2.50.Thistestmethodprovidesthestandardmeasureofcompressivestrength.1.3.2ProcedureBdescribesproceduresforpreparingandtestingcompactedsoil-limespecimensusingTestMethods