ISO 12135 Technical Corrigendum 1-2008 金属材料.准静态断裂韧性测定的统一试验方法.技术勘误1

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【英文标准名称】:StandardTestMethodforDeterminingTensilePropertiesofGeogridsbytheSingleorMulti-RibTensileMethod
【原文标准名称】:单棱或多棱拉伸法测定土工格栅的抗拉特性的标准试验方法
【标准号】:ASTMD6637-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:geogrid;geogridrib;geosynthetic;geotextile;indextest;tensiletest;Georigids;Geosynthetics;Multi-ribtensilemethod;Single-ribtensilemethod;Tensileproperties/testing--geosynthetics
【摘要】:Thedeterminationofthetensileforce-elongationvaluesofgeogridsprovidesindexpropertyvalues.Thistestmethodshallbeusedforqualitycontrolandacceptancetestingofcommercialshipmentsofgeogrids.Incasesofdisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandsuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimenswhichareashomogeneousaspossibleandwhicharefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingbegan.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandsuppliermustagreetointerpretfuturetestresultsinlightoftheknownbias.Allgeogridscanbetestedbyanyofthesemethods.Somemodificationoftechniquesmaybenecessaryforagivengeogriddependinguponitsphysicalmake-up.Specialadaptationsmaybenecessarywithstronggeogrids,multiplelayeredgeogrids,orgeogridsthattendtoslipintheclampsorthosewhichtendtobedamagedbytheclamps.1.1Thistestmethodcoversthedeterminationofthetensilestrengthpropertiesofgeogridsbysubjectingstripsofvaryingwidthtotensileloading.1.2Threealternativeproceduresareprovidedtodeterminethetensilestrength,asfollows:1.2.1MethodA8212;Testingasinglegeogridribintension(Norlbf).1.2.2MethodB8212;Testingmultiplegeogridribsintension(kN/morlbf/ft).1.2.3MethodC8212;Testingmultiplelayersofmultiplegeogridribsintension(kN/morlbf/ft).1.3Thistestmethodisintendedforqualitycontrolandconformancetestingofgeogrids.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundvaluesstatedinparenthesesareprovidedforinformationonly.1.5Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G32
【国际标准分类号】:59_080_70
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:Videorecording-12,65mmtypeD-11format-Part2:Picturecompressionanddatastream
【原文标准名称】:视频记录.12.65mm型号D-11格式.第2部分:图像压缩和数据流
【标准号】:IEC62356-2-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-11
【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/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:盒式磁带;规范(验收);视频记录;数据压缩;盒式录像带;娱乐电子学;磁带记录;数字录制技术;尺寸
【英文主题词】:Acousticsignals;Bitrates;Cassettes(magnetictapes);Compression;Datacompression;Decoding;Digitalrecordingtechnique;Digitalsignals;Dimensions;Electricalengineering;Electricalproperties;Encoding;Entertainmentelectronics;Figures;Formats;Formatting;Framefrequencies;Helicalscanrecording;Magnetictaperecordings;Magnetictapes;Outputsignals;Packetassembly;Parameters;Properties;Recording;Recordingequipment;Scanning;Specification(approval);Videocassettes;Videorecording;Videosignals;Videotaperecordings;Videotapes;Visionsignals
【摘要】:Specifiesthecompressionofahigh-definitionsourceformattoadual-channelpacketizeddatastreamformatwhichissuitableforrecordingondiscandtapestoragedevicesincludingtheTypeD-11taperecorder.
【中国标准分类号】:M73
【国际标准分类号】:33_160_40
【页数】:62P.;A4
【正文语种】:英语