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【英文标准名称】:InformationSystems-ProgrammingLanguage-IntrinsicFunctionModuleforCOBOL;SupplementX3.23A-1989
【原文标准名称】:信息系统.程序设计语言.COBOL的内在函数模块(ANSIX3.23-1985的补充件)
【标准号】:ANSIX3.23-1985
【标准状态】:作废
【国别】:美国
【发布日期】:1985
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:情报系统;模数;程序设计语言;COBOL语言
【英文主题词】:informationsystems;programminglanguages;cobol;modules
【摘要】:SpecifiesboththeformandinterpretationofprogramsexpressedinCOBOL.Itspurposeistopromoteahighdegreeofmachineindependenceinsuchprogramsinordertopermittheiruseonavarietyofautomaticdataprocessingsystems.
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:898P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforTorsionalRingShearTesttoDetermineDrainedFullySoftenedShearStrengthandNonlinearStrengthEnvelopeofCohesiveSoils(UsingNormallyConsolidatedSpecimen)forSlopeswithNoPreexistingShearSurfaces
【原文标准名称】:用扭矩环剪切试验法测定无预先存在的剪切面的斜坡上的粘性土壤(使用正常捣实的试样)的排水充分软化后的抗剪强度和非线性强度包线的标准试验方法
【标准号】:ASTMD7608-2010
【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】:D18.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:consolidated;drainedtestconditions;fullysoftenedshearstrength;reconstitutedspecimens;ring-sheartest;strengthenvelope
【摘要】:Theringshearapparatusmaintainsthecross-sectionalareaoftheshearsurfaceconstantduringshearandshearsthespecimencontinuouslyinonerotationaldirectionforanymagnitudeofdisplacementandalongentirecross-sectionalarea.Theringshearapparatusallowsareconstitutedspecimentobeconsolidatedatthedesirednormalstresspriortodrainedshearing.Thissimulatesthefieldconditionsunderwhichthefullysoftenedstrengthdevelopsinoverconsolidatedclays,claystones,mudstones,andshalesbecausethefullysoftenedstrengthcorrespondstothepeakshearstrengthofanormallyconsolidatedclay.Theringsheartestissuitedtotherelativelyrapiddeterminationofdrainedfullysoftenedshearstrengthbecauseoftheshortdrainagepaththroughthethinspecimenandfailureoccurringnearthetopporousstone.Theringsheartestminimizestheeffectofinitialdisturbancethatmayresultfromadjusting/creatingagapbeforestartingshearing,especiallyinthedirectsheardevice.Thetestresultsareprimarilyapplicabletoassesstheshearstrengthofoverconsolidatedsoilsfordrainedanalysisinslopesthatdonothaveapre-existingshearsurface,shearedbeddingplanes,joints,orfaults.Note18212;Notwithstandingthestatementsonprecisionandbiascontainedinthistestmethod:Theprecisionofthistestmethodisdependentonthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetenttesting.UsersofthistestmethodarecautionedthatcompliancewithPracticeD3740doesnotensurereliabletesting.Reliabletestingdependsonseveralfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thistestmethodprovidesaprocedureforperformingatorsionalringsheartestunderadrainedconditiontodeterminethefullysoftenedshearstrengthandnonlinearstrengthenvelopeofcohesivesoils.Thefullysoftenedstrengthisusedtoevaluatethestabilityofslopesthatdonothaveapreexistingshearsurface.Inaddition,thefullysoftenedshearstrengthcorrespondstothepeakshearstrengthofanormallyconsolidatedspecimen.Thistestmethodfocusesontheuseofareconstitutedspecimentomeasurethefullysoftenedstrength.Thistestmethodisperformedbyshearinganormallyconsolidated,reconstitutedspecimenatacontrolleddisplacementrateuntilthepeakshearresistancehasbeenobtained.Generally,thedrainedfullysoftenedfailureenvelopeisdeterminedatthreeormoreeffectivenormalstresses.Aseparatetestspecimenmustbeusedforeachnormalstresstomeasurethefullysoftenedstrengthotherwiseapost-peakorevenresidualstrengthwillbemeasuredifthesamespecimenisusedbecauseoftheexistenceofashearsurface.1.2Theringshearapparatusallowsareconstitutedspecimentobenormallyconsolidatedatthedesirednormalstresspriortodrainedshearing.Thissimulatesthefieldconditionsunderwhichthefullysoftenedstrengthdevelopsinoverconsolidatedclays,claystones,mudstones,andshales.1.3Ashearstress-displacementrelationshipmaybeobtainedfromthistestmethod.However,ashearstress-strainrelationshiporanyassociatedquantity,suchasmodulus,cannotbedeterminedfromthistestmethodbecausepossiblesoilextrusionandvolumechangepreventsdefiningtheheightneededintheshearstraincalculations.Asaresult,shearstraincannotbecalculatedbuts......
【中国标准分类号】:B11
【国际标准分类号】:13_080_20
【页数】:5P.;A4
【正文语种】:英语