SAE AS469 Drive - Accessory, 8" Bolt Circle (NONCURRENT May 1995)
时间:2024-05-19 19:22:06 来源: 标准资料网 作者：标准资料网 阅读：9506
Product Code:SAE AS469
Title:Drive - Accessory, 8" Bolt Circle (NONCURRENT May 1995)
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.
【英文标准名称】:Elementsofelectricalandopticalconnection-Testmethods-Discontinuityofcontactsinthemicrosecondrange
【原文标准名称】:电气和光学连接元器件.试验方法.第204部分:在微秒范围内的中断接触
【标准号】:BSEN2591-204-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-06-15
【实施或试行日期】:1996-06-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电触点;试验设备;飞行器部件;电连接器;电连接;航空运输工程;电气元件;维纤光学连接器;电气试验;光纤维;持续时间;时间测量;不连续的;电路;试样制备
【英文主题词】:
【摘要】:TobereadinconjunctionwithBSEN2591:1992
【中国标准分类号】:V25
【国际标准分类号】:49_060
【页数】:10P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforIndividualPilesinPermafrostUnderStaticAxialCompressiveLoad
【原文标准名称】:静态轴向压缩加载下永冻层中各个叠层的标准试验方法
【标准号】:ASTMD5780-1995(2002)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D18.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:桩;压缩试验;蠕变;静荷载;土壤;深基单元;置换率;基础单元;冻土;永冻层中的各个叠层;永冻层;静态轴向压缩加载;垂直层;试验;轴向荷载;失效时间
【英文主题词】:axialload;compressiveload;displacementrate;frozen;permafrost;piles;soil;staticload
【摘要】:Thistestmethodwillprovidearelationshipbetweentimetofailure,creeprate,anddisplacementtofailureforspecificfailureloadsatspecifictesttemperaturesaswellasarelationshipbetweencreeprateandappliedloadatspecifictesttemperaturesforloadslessthanfailureloads.Piledesignforspecificsoiltemperaturesmaybecontrolledbyeitherlimitinglong-termstresstobelowlong-termstrengthorbylimitingallowablesettlementoverthedesignlifeofthestructure.Itisthepurposeofthistestmethodtoprovidethebasicinformationfromwhichthelimitingstrengthorlong-termsettlementmaybeevaluatedbygeotechnicalengineers.Dataderivedfrompiletestsatspecificgroundtemperaturesthatdifferfromthedesigntemperaturesmustbecorrectedtothedesigntemperaturebytheuseofdatafromadditionalpiletests,laboratorysoilstrengthtests,orpublishedcorrelations,ifapplicable,toprovideasuitablemeansofcorrection.Fordrivenpilesorgroutedpiles,failurewilloccuratthepile/soilinterface.Forslurriedpiles,failurecanoccurateitherthepile/slurryinterfaceortheslurry/soilinterface,dependingonthestrengthanddeformationpropertiesoftheslurrymaterialandtheadfreezebondstrength.Locationofthefailuresurfacemustbetakenintoaccountinthedesignofthetestprogramandintheinterpretationofthetestresults.Dynamicloadsmustbeevaluatedseparately.1.1Thistestmethodcoversproceduresfortestingindividualverticalpilestodetermineresponseofthepiletostaticcompressiveloadappliedaxiallytothepile.Thistestmethodisapplicabletoalldeepfoundationunitsinpermafrostthatfunctioninamannersimilartopilesregardlessoftheirmethodofinstallation.Thistestmethodisdividedintothefollowingsections:SectionReferencedDocuments2Terminology3SignificanceandUse4InstallationofTestPiles5ApparatusforApplyingLoads6ApparatusforMeasuringMovements7SafetyRequirements8LoadingProcedures9StandardTestProcedures10ProceduresforMeasuringPileMovements11Report12PrecisionandBias13Keywords14