IEC/TR2 60695-7-4-1995 着火危险试验第7部分:将火中电工产品产生毒性危害降至最小的指南第4节:着火中的异常毒性影响
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【英文标准名称】:Firehazardtesting-Part7:Guidanceontheminimizationoftoxichazardsduetofiresinvolvingelectrotechnicalproducts-Section4:Unusualtoxiceffectsinfires
【原文标准名称】:着火危险试验第7部分:将火中电工产品产生毒性危害降至最小的指南第4节:着火中的异常毒性影响
【标准号】:IEC/TR260695-7-4-1995
【标准状态】:作废
【国别】:国际
【发布日期】:1995-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC89
【标准类型】:()
【标准水平】:()
【中文主题词】:火灾危险;毒性;试验;电气工程;燃烧试验;电气器具;着火危险试验;指导手册;电气设备
【英文主题词】:electricalequipment;electricalengineering;toxicity;guidebooks;firetests;electricappliances;testing;firerisks;firehazardtest
【摘要】:
【中国标准分类号】:C80
【国际标准分类号】:29_020;13_220_40
【页数】:11P;A4
【正文语种】:英语
【英文标准名称】:Methodsoftestforpetroleumanditsproducts.Generalintroduction
【原文标准名称】:石油和石油产品的试验方法.第0部分:一般介绍
【标准号】:BS2000Pt.0-1982
【标准状态】:作废
【国别】:英国
【发布日期】:1982-03-31
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:石油产品;石油;化学分析和试验;石油技术
【英文主题词】:petroleumtechnology;chemicalanalysisandtesting;petroleumproducts;petroleum
【摘要】:
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsfortheDeterminationoftheModulusandDampingPropertiesofSoilsUsingtheCyclicTriaxialApparatus
【原文标准名称】:用循环三轴器测定土壤的阻尼特性和模数的标准试验方法
【标准号】:ASTMD3999-1991(2003)
【标准状态】:现行
【国别】:
【发布日期】:1991
【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】:D18.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:土壤学;潮气;试验
【英文主题词】:damping;laboratorytest;physicalproperties;triaxialstress
【摘要】:Thecyclictriaxialmodulusanddampingtestprovidesparametersthatmaybeconsideredforuseindynamic,linearandnon-linearanalyticalmethods.Thesetestmethodsareusedfortheperformanceevaluationofbothnaturalandengineeredstructuresunderdynamicofcyclicloadssuchascausedbyearthquakes,oceanwave,orblast.OneoftheprimarypurposesofthesetestmethodsistoobtaindatathatareusedtocalculateYoungrsquo;modulus.Note18212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.DESIG:D399991(Reapproved2003)^TITLE:StandardTestMethodsfortheDeterminationoftheModulusandDampingPropertiesofSoilsUsingtheCyclicTriaxialApparatus^SCOPE:1.Scope1.1Thesetestmethodscoverthedeterminationofthemodulusanddampingpropertiesofsoilsineitherundisturbedorreconstitutedstatesbyeitherloadorstrokecontrolledcyclictriaxialtechniques.1.2Thecyclictriaxialpropertiesofsoilareevaluatedrelativetoanumberoffactorsincluding:strainlevel,density,numberofcycles,materialtype,saturation,andeffectivestress.1.3Thesetestmethodsareapplicabletobothfine-grainedandcoarse-grainedsoilsasdefinedbytheunifiedsoilclassificationsystemorbyClassificationD2487.Testspecimensmaybeundisturbedorreconstitutedbycompactioninthelaboratory.1.4TwotestmethodsareprovidedforusingacyclicloadertodetermineYoung''smodulus(E)anddamping(D)properties.Thefirsttestmethod(A)permitsthedeterminationofEandDusingaconstantloadapparatus.Thesecondtestmethod(B)permitsthedeterminationofEandDusingaconstantstrokeapparatus.Thetestmethodsareasfollows:1.4.1TestMethodAThistestmethodrequirestheapplicationofaconstantcyclicloadtothetestspecimen.ItisusedfordeterminingtheYoung''smodulusanddampingunderaconstantloadcondition.1.4.2TestMethodBThistestmethodrequirestheapplicationofaconstantcyclicdeformationtothetestspecimen.ItisusedfordeterminingtheYoung''smodulusanddampingunderaconstantstrokecondition.1.5Thedevelopmentofrelationshipstoaidininterpretingandevaluatingtestresultsarelefttotheengineerorofficerequestingthetest.1.6LimitationsTherearecertainlimitationsinherentinusingcyclictriaxialteststosimulatethestressandstrainconditionsofasoilelementinthefieldduringanearthquake.1.6.1Nonuniformstressconditionswithinthetestspecimenareimposedbythespecimenendplatens.1.6.2A90changeinthedirectionofthemajorprincipalstressoccursduringthetwohalvesoftheloadingcycleonisotropicallyconfinedspecimensandatcertainlevelsofcyclicstressapplicationonanisotropicallyconfinedspecimens.1.6.3Themaximumcyclicaxialstressthatcanbeappliedtoasaturatedspecimeniscontrolledbythestressconditionsattheendofconfiningstressapplicationandthepore-waterpressuresgeneratedduringtesting.Foranisotropicallyconfinedspecimentestedincycliccompression,themaximumcyclicaxialstressthatcanbeappliedtothespecimenisequaltotheeffectiveconfiningpressure.Sincecohe......
【中国标准分类号】:Z13
【国际标准分类号】:
【页数】:15P.;A4
【正文语种】:
