SH/T 1718-2002 充油橡胶中油含量的测定
作者:标准资料网 时间:2024-04-29 07:08:37 浏览:9406
来源:标准资料网
基本信息
| 标准名称： | 充油橡胶中油含量的测定 |
| 英文名称： | Oil-extended synthetic rubber -- Determination of oil content |
| 中标分类： |
化工 >>
橡胶制品及其辅助材料 >>
橡胶制品综合 |
| ICS分类： |
橡胶和塑料工业 >>
橡胶
|
| 发布日期： | 2002-05-31 |
| 实施日期： | 2002-07-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 归口单位： | 全国橡胶与橡胶制品标委会合成橡胶分委会 |
| 起草单位： | 中国石油天然气股份有限公司兰州石化公司石油化工研究院、岳阳石油化工总厂合成橡胶厂 |
| 出版日期： | 1900-01-01 |
| 页数： | 6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： 化工 橡胶制品及其辅助材料 橡胶制品综合 橡胶和塑料工业 橡胶
【英文标准名称】:Aluminiumandaluminiumalloys.Liquidmetal.Specifications.
【原文标准名称】:铝和铝合金.液态金属.规范
【标准号】:NFA57-110-1995
【标准状态】:现行
【国别】:法国
【发布日期】:1995-09-01
【实施或试行日期】:1995-09-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:偿付凭据;分类系统;液态材料;等级(质量);定单;液体金属;铝;化学成分;有色金属合金;有色金属;生产;铝合金;包装件;规范(验收);检验;名称与符号;作标记;交货条件;试验;定义
【英文主题词】:
【摘要】:
【中国标准分类号】:H61
【国际标准分类号】:77_150_10
【页数】:9P;A4
【正文语种】:其他
【英文标准名称】:StandardGuideforCalculatingInSituEquivalentElasticModuliofPavementMaterialsUsingLayeredElasticTheory
【原文标准名称】:使用多层弹性理论计算筑路材料原位相等弹性模量的标准指南
【标准号】:ASTMD5858-1996(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:E17.41
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:backcalculation;deflectionbasin;layeredelastictheory;NDT(nondestructivedeflectiontesting);pavementmoduli;Backcalculation;Deflection--pavementsurfaces/applications;Deflectionbasin;Elasticmodulus;Layeredelastictheory;Nondestructiv
【摘要】:Thisguideisintendedtopresenttheelementsofanapproachforestimatinglayermodulifromdeflectionmeasurementsthatmaythenbeusedforpavementevaluationoroverlaydesign.Tocharacterizethematerialsinthelayersofapavementstructure,onefundamentalinputparametermeasuredinthelaboratoryandusedbysomeoverlaydesignproceduresistheresilientmodulus.Deflectionanalysisprovidesatechniquethatmaybeusedtoestimatetheinsituequivalentlayerelasticmoduliofapavementstructureasopposedtomeasuringtheresilientmoduliinthelaboratoryofsmallandsometimesdisturbedsamples.Formanyoverlaydesignproceduresthatarebasedonlayeredelastictheory,theresilientmodulusisapproximatedbythisequivalentlayerelasticmodulus,becausetheequivalentmodulusisdeterminedasanaveragevalueforthetotallayerattheinsitustressconditionsofanactualpavement.Itshouldbeemphasizedthatlayermodulicalculatedwiththisprocedureareforaspecificloadingconditionandfortheenvironmentalconditionsatthetimeoftesting.Forthesemodulitobeusedinpavementevaluationsandoverlaydesign,adjustmentstoareferencetemperature,season,anddesignloadmayberequired.Theseadjustmentsarenotapartofthisguide.Theunderlyingassumptionusedinthesolutionisthatarepresentativesetoflayermoduliexistsfortheparticularloadingcondition(magnitudeandarea)andtemperaturecondition,suchthatthetheoreticalorcalculateddeflectionbasin(usingquasi-staticlayeredelastictheoryandtheassumedstaticloadcharacteristicsoftheNDTdevice)closelyapproximatesthemeasureddeflectionbasin.Inreality,dependingonthetoleranceallowedintheprocedureandtherelativenumberoflayerscomparedtothenumberofdeflectionsensors,severalcombinationsofmodulimaycausethetwobasinstox201C;matchx201D;(orbewithintolerance)reasonablywell.Acertaindegreeofengineeringjudgementisnecessarytoevaluatethesealternativesolutionsandselectthemostapplicablecombinationoreliminateunreasonablesolutions,orboth.Therehavebeenseveralstudiesthatcomparedtheresultsofvarioustypesofequipmentandanalysismethods;unfortunately,considerablevariabilityhasbeennoted.Atthistime,noprecisionestimatehasbeenobtainedfromastatistically-designedseriesoftestswithdifferentx201C;knownx201D;materialsandlayerthicknesses.Thebackcalculatedresultsdovarysignificantlywiththevariousassumptionsusedinanalysistoemulatetheactualconditionaswellaswiththetechniquesusedtoproduceandmeasurethedeflections.Sincetheguidedealswithacomputerizedanalyticalmethod,therepeatabilityisexcellentiftheinputdataandparametersremainthesame.Thebiasoftheprocedurecannotbeestablishedatthistime.Theidentityofthex201C;truex201D;insitumodulus,basedonresilientmodulustestingorsomeotherfieldorlaboratorytest,needstobestandardizedbeforethebiasofthemethodcanbeestablished.1.1Thisguidecoverstheconceptsforcalculatingtheinsituequivalentlayerelasticmodulicanbeusedforpavementevaluation,rehabilitationandoverlaydesign.Theresultingequivalentelasticmodulicalculatedfromthedeflectiondataaremethod-dependentandrepresentthestiffnessesofthelayersunderaspecificnondestructivedeflectiontesting(NDT)deviceatthatparticulartestloadandfrequency,temperature,andotherenvironmentalandsite-specificconditions.Adjustmentsfordes......
【中国标准分类号】:Q20
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】:英语
