DIN 469-2003 直柄式手摇曲柄
时间:2024-05-20 07:24:48 来源: 标准资料网 作者：标准资料网 阅读：9282
【英文标准名称】:Crankhandles,straightpattern
【原文标准名称】:直柄式手摇曲柄
【标准号】:DIN469-2003
【标准状态】:现行
【国别】:德国
【发布日期】:2003-10
【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】:材料;设计;质量(物质);可转动的;操纵装置;球状石墨;机械零部件;直的;铸铁;球形手柄;手摇曲柄;形状;尺寸
【英文主题词】:cast-iron;rotatable;straight;materials;ballhandles;nodulargraphites;mass;crankhandles;operatingdevices;shape;mechanicalcomponents;dimensions;design
【摘要】:
【中国标准分类号】:J27
【国际标准分类号】:21_180
【页数】:4P;A4
【正文语种】:德语
【英文标准名称】:SpecificationforNi-Fe-Cr-Mo-CuAlloy(UNSN08825andUNSN08221)Plate,Sheet,andStripASTMB424-93
【原文标准名称】:镍-铁-铬-钼-铜合金(UNSN08825和UNSN08221)板材、薄板和带材用规范.ASTMB424-93
【标准号】:ASMESECIIBSB-424-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001-07-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:BoilerandPressureVessel.SpecificationforNi-Fe-Cr-Mo-CuAlloy(UNSN08825andUNSN08221)Plate,Sheet,andStripASTMB424-93
【中国标准分类号】:H62
【国际标准分类号】:
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforUseoftheDynamicConePenetrometerinShallowPavementApplications
【原文标准名称】:浅层路面上使用的动力圆锥触探仪的标准试验方法
【标准号】:ASTMD6951-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:ADCP;aggregatebasetesting;Californiabearingratio;CBR;DCP;disposablecones;dual-masshammer;dynamicconepenetrometer;insitutesting;pavingmaterialtesting;shearstrength;subgradetesting
【摘要】:Thistestmethodisusedtoassessinsitustrengthofundisturbedsoiland/orcompactedmaterials.Thepenetrationrateofthe8-kgDCPcanbeusedtoestimatein-situCBR(CaliforniaBearingRatio),toidentifystratathickness,shearstrengthofstrata,andothermaterialcharacteristics.4.1.1OthertestmethodsexistforDCPswithdifferenthammerweightsandconetipsizes,whichhavecorrelationsthatareuniquetotheinstrument.The8-kgDCPisheldverticallyandthereforeistypicallyusedinhorizontalconstructionapplications,suchaspavementsandfloorslabs.Thisinstrumentistypicallyusedtoassessmaterialpropertiesdowntoadepthof1000-mm(39-in.)belowthesurface.Thepenetrationdepthcanbeincreasedusingdriverodextensions.However,ifdriverodextensionsareused,careshouldbetakenwhenusingcorrelationstoestimateotherparameterssincethesecorrelationsareonlyappropriateforspecificDCPconfigurations.Themassandinertiaofthedevicewillchangeandskinfrictionalongdriverodextensionswilloccur.The8-kgDCPcanbeusedtoestimatethestrengthcharacteristicsoffine-andcoarse-grainedsoils,granularconstructionmaterialsandweakstabilizedormodifiedmaterials.The8-kgDCPcannotbeusedinhighlystabilizedorcementedmaterialsorforgranularmaterialscontainingalargepercentageofaggregatesgreaterthan50-mm(2-in.).The8-kgDCPcanbeusedtoestimatethestrengthofinsitumaterialsunderlyingaboundorhighlystabilizedlayerbyfirstdrillingorcoringanaccesshole.Note18212;TheDCPmaybeusedtoassessthedensityofafairlyuniformmaterialbyrelatingdensitytopenetrationrateonthesamematerial.Inthiswayundercompactedorx201C;softspotsx201D;canbeidentified,eventhoughtheDCPdoesnotmeasuredensitydirectly.24.5.1AfieldDCPmeasurementresultsinafieldorinsituCBRandwillnotnormallycorrelatewiththelaboratoryorsoakedCBRofthesamematerial.Thetestisthusintendedtoevaluatetheinsitustrengthofamaterialunderexistingfieldconditions.1.1ThistestmethodcoversthemeasurementofthepenetrationrateoftheDynamicConePenetrometerwithan8-kghammer(8-kgDCP)throughundisturbedsoiland/orcompactedmaterials.ThepenetrationratemayberelatedtoinsitustrengthsuchasanestimatedinsituCBR(CaliforniaBearingRatio).Asoildensitymaybeestimated(Note1)ifthesoiltypeandmoisturecontentareknown.TheDCPdescribedinthistestmethodistypicallyusedforpavementapplications.1.2Thetestmethodprovidesforanoptional4.6-kgslidinghammerwhentheuseofthe8-kgslidingmassproducesexcessivepenetrationinsoftgroundconditions.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P95
【国际标准分类号】:93_080_01
【页数】:7P.;A4
【正文语种】: