NF U02-013-1999 农林机械.灌溉用绕软管轮机.安全性
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来源:标准资料网
【英文标准名称】:Agriculturalandforestrymachinery.Reelmachinesforirrigation.Safety.
【原文标准名称】:农林机械.灌溉用绕软管轮机.安全性
【标准号】:NFU02-013-1999
【标准状态】:作废
【国别】:法国
【发布日期】:1999-03-01
【实施或试行日期】:1999-03-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Agriculturalengineering;Agriculturalmachines;Agriculturaltractors;Agriculture;Definitions;Dimensions;Drumwinches;Drums;Equipment;Fieldirrigation;Flexiblepipes;Forestry;Hazards;Instructionsforuse;Irrigation;Irrigationplants;Mechanicalengineering;Nozzles;Pipes;Protectiondevices;Rainguns;Reelmachinesystems;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Stability;Testing;Transitionalperiod;Usefularea
【摘要】:
【中国标准分类号】:B91
【国际标准分类号】:65_060_35
【页数】:16P.;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforFiberLengthandLengthDistributionofCottonFibers
【原文标准名称】:棉纤维纤维长度和长度分布的标准试验方法
【标准号】:ASTMD5332-1992
【标准状态】:作废
【国别】:美国
【发布日期】:1992
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:纤维长度;试验;人类;长度;纤维;棉花
【英文主题词】:fiber;textilefibers;fiberlength;101;test;length;man;lengthdistributionusing;madestaplefibers;measuringunital;cotton
【摘要】:
【中国标准分类号】:W12
【国际标准分类号】:59_060_10
【页数】:4P;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
