基本信息
| 标准名称： | 环境标志产品技术要求 数字式多功能复印设备 |
| 英文名称： | Technical requirement for environmental labeling products Digital multi-function copier device |
| 替代情况： | 替代HJBZ 40-2000 |
| 发布部门： | 中华人民共和国环境保护部 |
| 发布日期： | 2008-04-15 |
| 实施日期： | 2008-07-01 |
| 首发日期： | |
| 作废日期： | |
| 出版社： | 中国环境科学出版社 |
| 出版日期： | 2008-07-01 |
适用范围
本标准规定了数字式多功能复印设备（以下简称复印设备）环境标志产品的定义、基本要求、技术内容及检验方法。本标准适用于以复印为其基本功能，使用干式显影剂、热定影、普通纸的数字式复印机、数字式多功能一体机（多功能数码复印机、多功能数码复合机、多功能打印复印一体机、彩色复印机等）等复印设备。
前言
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目录
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引用标准
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所属分类： 综合 计量 力学计量 计量学和测量 物理现象 力 重力和压力的测量
【英文标准名称】:StandardTestMethodforGrabBreakingLoadandElongationofGeotextiles
【原文标准名称】:土工织物的断裂荷载和延伸度的标准试验方法
【标准号】:ASTMD4632-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D35.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Breakingstrength/tenacity;Elongation--geotextiles;Geosynthetics;Grabtest;Strength--geosynthetics;Tensileproperties/testing--geosynthetics
【摘要】:Thegrabmethodisapplicablewheneveritisdesiredtodeterminethex201C;effectivestrengthx201D;ofthefabricinuse,thatis,thestrengthofthematerialinaspecificwidth,togetherwiththeadditionalstrengthcontributedbyadjacentmaterial.Thereisnosimplerelationshipbetweengrabtestsandstriptestssincetheamountoffabricassistancedependsontheconstructionofthefabric.Itisusefulasaqualitycontroloracceptancetest.TheprocedureinTestMethodD4632forthedeterminationofgrabstrengthofgeotextilesmaybeusedforacceptancetestingofcommercialshipments,butcautionisadvisedsinceinformationaboutbetween-laboratoryprecisionisincomplete.Comparativetestsasdirectedin5.2.1areadvisable.IncaseofadisputearisingfromdifferencesinreportedtestresultswhenusingtheproceduresinTestMethodD4632foracceptancetestingofcommercialshipments,thepurchaserandthemanufacturershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandwhicharefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingtheappropriateStudent''st-testandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthemanufacturermustagreetointerpretfuturetestresultsinthelightoftheknownbias.Mostgeotextilefabricscanbetestedbythistestmethod.Somemodificationofclampingtechniquesmaybenecessaryforagivenfabric,dependinguponitsstructure.Specialadaptationmaybenecessarywithstrongfabrics,orfabricsmadefromglassfibers,topreventthemfromslippingintheclampsorbeingdamagedasaresultofbeinggrippedintheclamps,suchascushioningtheclamporboardingthespecimenwithintheclamp.Thistestmethodisapplicablefortestingfabricseitherdryorwet.Itmaybeusedwithconstant-rate-of-traverse(CRT)orconstant-rate-of-extension(CRE)typetensionmachines.However,theremaybenooverallcorrelationbetweentheresultsobtainedwiththeCRTmachineandtheCREmachine.Consequently,thesetwotensiontesterscannotbeusedinterchangeably.Incaseofcontroversy,theCREmachineshallprevail.1.1Thistestmethodisanindextestwhichprovidesaprocedurefordeterminingthebreakingload(grabstrength)andelongation(grabelongation)ofgeotextilesusingthegrabmethod.Thistestmethodisnotsuitableforknittedfabricsandalternatetestmethodsshouldbeused.Whileusefulforqualitycontrolandacceptancetestingforaspecificfabricstructure,theresultscanonlybeusedcomparativelybetweenfabricswithverysimilarstructures,becauseeachdifferentfabricstructureperformsinauniqueandcharacteristicmannerinthistest.Thegrabtestmethodsdoesnotprovidealltheinformationneededforalldesignapplicationsandothertestmethodsshouldbeused.1.2Proceduresformeasuringthebreakingloadandelongationbythegrabmethodinboththedryandwetstateareincluded;however,testingisnormallydoneinthedryconditionunlessspecifiedotherwiseinanagreementorspecification.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesstatedininch-poundunitsareprovidedforinformationonly.1.4Thisstanda......
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:4P.;A4
【正文语种】:英语