欢迎来到天天文库
浏览记录
ID:33128691
大小:16.04 MB
页数:72页
时间:2019-02-21
《车致振动作用下站房结构的舒适度分析与减振措施》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、万方数据西南交通大学硕士研究生学位论文第Ⅱ页Abstrackmrecentyears,witlltlleincreasiIlgdemandforrailwaytransponationaswenaspeople’sincreasingrequirementsforitssaf-e哆aIldcomf-ort,a铲eatnunlberofla唱e。scalemodemrailwayteminalpassengerstationshavebe哥mtoeme唱e.Am萄ori够oft11enewly-builtrajlwaystationshaVebroughtconVenienceforpasse
2、ngersbyadoptingⅡleoVerheadon—linewaitingInode.HoweVer,duetoⅡlelongspaIlaJld也elownexibili妙ofmeeleVatedwaitinghall,whenthemaintracksof也etrainspassuIldert11estationbuilding,meVibrationistransmittedt0menoorslabsofmewaitinghallt11roughthesoilmass,smlcturalcol眦nsandsoon,whichbringsdiscomforttopassengers.
3、Therefore,itisofimmenselyimportanttheoreticalandpracticalsigllificancetostudythevibrationcomfortlevelandvibrationcon仃oloftherailwavstationbuildingstmcturemldert11estimulationofthetrain仃avel.hthispaper’mestationbuildingstmctureofDaqingWestRailwayStationofHarbin—TsitsiharPassengerSpecialRailwayHubS切缸
4、onwasadoptedasmeresearchobject,andtheVibrationreSponseregul耐够ofthestationbuildings廿Ⅵcture蛐derthestimulationwhendiff-erentmaintrackspassthroughthe仃ain仃avelwasanalyzed.Inaddition,thevibrationcomfort1evelofthestationbuildingstmcturewasevaluated’andmeasuresofVibrationmitigationwereproposedtocontr01thev
5、ibrationoffloorslabs.Thispapermailllycompletedthefollowingfouraspects.(1)ThebasicproblemsandmetllodsoftheanalysisonvibrationcomfortlevelwerediscussedaIldanalyzed,aJldtheevaluationmethodsandevaluationindicatorsofvibrationcomfoIrtlevelintheintemationalstandard,Chineses切ndard.AmericanStandard,Britishs
6、tandard,DanishStandardandJ叩anesestandardwerecompared.Finally,combinedwimthespecialnamreoftherailwaystationbuildillg,thevibrationallowableValueofthe4bCategoryEnvironmentinChineseStaniIardwasselectedastheeValuationindicatorofVibrationconlf.onleVelinthispaper.(2)Thetransmission1awandattenuationregular
7、ityofthesitesoilandthestationbuildingstmcturewhendi航renttrainspassthestationwereanalyzedandsummarizedbymeansoffieldmeasurement.AccordingtotheanalysisontheeValuationmethodandtheevaluationindicatorsofvibratio
此文档下载收益归作者所有