【英文标准名称】:Mechanicalvibration-Evaluationofmeasurementresultsfromdynamictestsandinvestigationsonbridges
【原文标准名称】:机械振动.对于桥梁的动态试验和研究的测量结果的评价
【标准号】:ISO18649-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-07
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:桥;试验;桥的负载;动力荷载;振动下的疲劳强度;分类系统;监督(认可);振动测量;振动保护;调查;震动计;动态试验;振动;桥梁建筑;振动仪表;振动影响(对人体);振动性能;振动试验
【英文主题词】:
【摘要】:ThisInternationalStandardprovidesmethodologyfortheevaluationofresultsfromdynamictestsandinvestigationsonbridgesandviaducts.ItcomplementstheprocedureforconductingthetestsasgiveninISO14963andconsiders—theobjectivesofthedynamictests,—thetechniquesfordataanalysisandsystemidentification,—themodellingofthebridge,and—evaluationofthemeasureddata.NOTE1Theevaluationmayseektodefineallofthedynamiccharacteristicsofeachmodeofvibrationexamined,i.e.frequency,stiffness,modeshapeanddamping,andtheirnon-linearvariationwithamplitudeofmotion.Thesecansupplyinformationonthedynamiccharacteristicsofastructureforcomparisonwiththoseassumedindesign,orasabasisforconditionmonitoringorsystemidentification.ThedynamictestsconsideredinthisInternationalStandarddonotreplacestatictests.ThisInternationalStandardgivesguidanceontheassessmentofmeasurementscarriedoutoverthelifecycleofthebridge.Thestagesofthelifecyclethatareconsideredarea)duringconstructionandpriortocommissioning,b)duringcommissioningtrials,c)duringspecifiedperiodsthroughoutthelifeofthebridge,andd)immediatelypriortodecommissioningthebridge.ThisInternationalStandardisapplicabletoroad,railandpedestrianbridgesandviaducts(bothduringconstructionandoperation)andalsotootherworks,providedthattheyjustifyitsapplication.TheapplicationofthisInternationalStandardtospecialstructures(cable-stayedorsuspensionbridges)requiresspecificteststhattakeintoaccounttheparticularcharacteristicsofthework.NOTE2ThroughoutthisInternationalStandard,"bridgesandviaducts"arecalled"bridges".Theterm"viaduct"isusedonlywhenitisnecessarytodistinguishbetweenthese.
【中国标准分类号】:J04
【国际标准分类号】:17_160;93_040
【页数】:26P;A4
【正文语种】:英语