ANSI/TIA-222-F-1996 钢天线塔和天线支撑结构的结构标准
作者:标准资料网 时间:2024-05-29 10:36:46 浏览:8476
来源:标准资料网
【英文标准名称】:StructuralStandardsforSteelAntennaTowersandAntennaSupportingStructures
【原文标准名称】:钢天线塔和天线支撑结构的结构标准
【标准号】:ANSI/TIA-222-F-1996
【标准状态】:作废
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电子工程;天线系统;电信
【英文主题词】:antennasystems;telecommunications;electronicengineering
【摘要】:
【中国标准分类号】:M36
【国际标准分类号】:33_120_40
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminationofPack-SetIndexofPortlandCement
【原文标准名称】:硅酸盐水泥PACK-SET指数测定的标准试验方法
【标准号】:ASTMC1565-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:C01.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:测定;运输;硅酸盐水泥;目录
【英文主题词】:pack-set;mechanical;portlandcement;measure;vibration-induced
【摘要】:Thismethodisintendedtohelpmanufacturersdeterminetherelativepack-settendencyoftheircement(s).Thetestestablishesapack-setindexwhich,whenproperlycorrelatedwithfieldperformance,isusefulinpredictingorpreventingfieldunloadingdifficulties.Thetestisanaidtoroutinecontrolduringcementproductionandisnotsuitableforspecificationpurposes.Ingeneral,fieldperformanceofcementflowabilityissatisfactorywhenthepack-setindexasdeterminedonfreshlygroundcementaverages0to15andisunsatisfactorywhentheindexexceeds25.Anypredictionoffieldperformanceofcementflowabilitymeasuring16to25istenable.Thesearegeneralrangesandthefieldperformanceofindividualcementsmaynotnecessarilyfallwithintheseranges.Additionalconditions,afterthecementhasleftthecontrolofthemanufacturingfacility,canaffecttheapparentpacksetindexaswell.Anyattempttoapplythecriticalrangeofpack-setindexnumbersbasedonfreshlygroundcementtojobcementwithoutspecialtreatmentofthesamplewouldbeproblematic.Thetestisax201C;GO-NOGOx201D;typeoftestandshouldnotbeusedforspecificationpurposes.Thepack-setindexoffieldcementcanbeevaluatedintermsofthepack-setindexrangesofthatcementasdeterminedwhenfreshly-ground.Thiscomparisoncanaidthemanufacturerinproducingcementthatoffersthebestfieldperformanceforpack-setproperties.Silostorageofcementmayresultinagreateramountofconsolidationthanthismethodisdesignedtoinduce,andtheresultingforcesrequiredtoovercomethatconsolidationarenotmeasuredbythistestmethod.Packsetisnottobeconfusedwithx201C;warehousesetx201D;whichresultsfromsurfacehydrationofthecementfromadsorbedmoisture.1.1Thistestmethodcoversthedeterminationofthepack-setindex,whichprovidesanindicationofthemechanicalforceneededtoovercometheconsolidationofportlandcement.1.2Thepack-setindexnumberprovidesanumericalvalueusefulformanufacturerswhodesiretomeasureandcontroltheeffectthatvibration-inducedconsolidationhasuponthemanufacturedcement.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.ValuesstatedinInch-Poundunitsareforinformationalpurposesonlyandareenclosedinparentheses.ValuesstatedinSIunitsshallbeobtainedbymeasurementinSIunitsorbyappropriateconversion,usingtherulesofConversionandroundinggiveninStandardIEEE/ASTMSI10,ofmeasurementsmadeinotherunits.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(WARNING8212Freshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandittuseuponprolongedexposure).
【中国标准分类号】:Q11
【国际标准分类号】:55_180_40;91_100_10
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:Aerospaceseries-SteelFE-PL1505(15CrMoV6)-Airmelted-Hardenedandtempered-Barformachining-De100mm-1080MPaR1280MPa;GermanandEnglishversionEN3523:2007
【原文标准名称】:航空航天系列.FE-PL1505(15CrMoV6)型钢.空气熔炼.淬火和回火.加工用棒材.De≤100mm.1080MPa≤R≤1280MPa
【标准号】:DINEN3523-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-06
【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】:航空航天运输;航空运输;棒材;化学成分;尺寸;淬火的;材料切屑加工;材料;机械性能;多语种的;物理性能;竿材;性能;半成品;航天运输;规范(验收);钢
【英文主题词】:
【摘要】:Thisstandardspecifiestherequirementsrelatingto:SteelFE-PL1505(15CrMoV6)AirmeltedHardenedandtemperedBarformachiningDe≤100mm1080MPa≤Rm≤1280MPaforaerospaceapplications.
【中国标准分类号】:V11
【国际标准分类号】:49_025_10
【页数】:14P.;A4
【正文语种】:多种语言
