DIN 58298-1-1983 医疗器械材料、精加工和检验.镊子
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来源:标准资料网
【英文标准名称】:Materials,finishandtestingofmedicalinstruments;forceps
【原文标准名称】:医疗器械材料、精加工和检验.镊子
【标准号】:DIN58298-1-1983
【标准状态】:作废
【国别】:德国
【发布日期】:1983-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:外科学;材料;医学科学;作标记;医学;仪器;设计;医疗器械;外科钳镊
【英文主题词】:medicalsciences;instruments;surgery;design;project;materials;medicine;instrument;forceps;substance;medicalinstruments;marking
【摘要】:
【中国标准分类号】:C31
【国际标准分类号】:11_040_30
【页数】:3P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforTorsionalRingShearTesttoDetermineDrainedResidualShearStrengthofCohesiveSoils
【原文标准名称】:用扭矩环剪切试验测定粘性土壤排水残余抗剪强度的标准试验方法
【标准号】:ASTMD6467-2006a
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:粘性土;环剪切试验;环形试验;剪切强度;土壤;试验方法
【英文主题词】:consolidated;drainedtestconditions;Mohr-Coulombstrengthenvelope;reconstitutedspecimens;residualshearstrength;ring-sheartest
【摘要】:Theapparatuskeepsthecross-sectionalareaoftheshearsurfaceconstantduringshearandshearsthespecimencontinuouslyinonerotationaldirectionforanymagnitudeofdisplacement.Thisallowsclayparticlestobecomeorientedparalleltothedirectionofshearandaresidualstrengthconditiontodevelop.Theapparatusallowsareconstitutedspecimentobeoverconsolidatedandpreshearedpriortodrainedshearing.Thissimulatesthefieldconditionsthatleadtoapreexistingshearsurfacealongwhichthedrainedresidualstrengthcanbemobilized.Theringsheartestissuitedtotherelativelyrapiddeterminationofdrainedresidualshearstrengthbecauseoftheshortdrainagepaththroughthethinspecimen,andthecapabilityoftestingonespecimenunderdifferentnormalstressestoquicklyobtainashearstrengthenvelope.Thetestresultsareprimarilyapplicabletoassesstheshearstrengthinslopesthatcontainapreexistingshearsurface,suchasoldlandslides,andshearedbeddingplanes,joints,orfaults.Note18212;Notwithstandingthestatementsonprecisionandbiascontainedinthistestmethod:Theprecisionofthistestmethodisdependentonthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetenttesting.UsersofthistestmethodarecautionedthatcompliancewithPracticeD3740doesnotensurereliabletesting.Reliabletestingdependsonseveralfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thistestmethodprovidesaprocedureforperformingatorsionalringsheartestunderadrainedconditiontodeterminetheresidualshearstrengthofcohesivesoils.Anundisturbedspecimencanbeusedfortesting.However,obtaininganaturalslipsurfacespecimen,determiningthedirectionoffieldshearing,andtrimmingandproperlyaligningtheusuallynon-horizontalshearsurfaceintheringshearapparatusisdifficult.Asaresult,thistestmethodfocusesontheuseofareconstitutedspecimentomeasuretheresidualstrength.Thistestmethodisperformedbydeformingapresheared,reconstitutedspecimenatacontrolleddisplacementrateuntiltheconstantminimumdrainedshearresistanceisofferedonasingleshearplanedeterminedbytheconfigurationoftheapparatus.Anunlimitedamountofcontinuoussheardisplacementcanbeachievedtoobtainaresidualstrengthcondition.Generally,threeormorenormalstressesareappliedtoatestspecimentodeterminethedrainedresidualfailureenvelope.Aseparatetestspecimenmaybeusedforeachnormalstress.1.2Ashearstress-displacementrelationshipmaybeobtainedfromthistestmethod.However,ashearstress-strainrelationshiporanyassociatedquantity,suchasmodulus,cannotbedeterminedfromthistestmethodbecausepossiblesoilextrusionandvolumechangepreventsdefiningtheheightneededintheshearstraincalculations.Asaresult,shearstraincannotbecalculatedbutsheardisplacementcanbecalculated.1.3Theselectionofnormalstressesandfinaldeterminationoftheshearstrengthenvelopefordesignanalysesandthecriteriatointerpretandevaluatethetestresultsaretheresponsibilityoftheengineerorofficerequestingthetest.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesstatedininch-poundunitsareapproximated.1.5AllmeasuredandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistherespo......
【中国标准分类号】:B11
【国际标准分类号】:13_080_20
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:CorrigendatoDINENISO3766:2004-05;GermanversionENISO3766:2003/AC:2004
【原文标准名称】:对DINENISO3766-2004的勘误
【标准号】:DINENISO3766Berichtigung1-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑绘图;绘图规则;预应力混凝土化合物设备;图纸;加筋混凝土;产品信息;图形表示;符号;描述;混凝土结构;加筋;预应力混凝土;混凝土构件;混凝土元件;预应力混凝土部件;加筋混凝土组合件;加筋混凝土部件;建筑;建筑图纸;
【英文主题词】:
【摘要】:ThisstandardcontainscorrectionstoDINENISO3766:2004-05.
【中国标准分类号】:P04
【国际标准分类号】:01_100_30
【页数】:2P;A4
【正文语种】:德语
