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ID:37487786
大小:4.93 MB
页数:78页
时间:2019-05-24
《高速铁路路基动力响应分析》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、分类号:u4l;u210710一218205002滚爹太海硕士学位论文高速铁路路基动力响应分析导师姓名职称申请学位级别论文提交日期学位授予单位张碧马磊副教授答辩委员会主席潦描偿j括r寺襄『)~卜、7J’c■∥;、7uqo、:≮学位论文评阅人奎造瑶整蝗判叁金盛盈匿墨蠼Abs仃actTherailwayisamainaneryOfthecomm【unicationsandtransport撕onofourcount佩andplaysaVeryimponaIltroletodeVelopmentofnationaleconomy-Atpresent,witht
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3、tionofeVery12ll‘gepassenger仃a衔cspecial1ine,thehigh.speedrailwayofChinaentersafastdeVelopingperiod,thustherailwayputsf;引r、Ⅳorda10tofnewchallengesofthedesigningandoperationalldmaintaining.Amongthem,thedeformationquestionthattheroadbedworksupinthehigh—speedtrainunder(Iynamic
4、10adbecomestheimponant1.estrictionofdeVelopmentofhigh—speedrailway-So,1aunchingtheresearchofthedynamice骶ctonhi曲-speedrailwayseemsve巧important.ThispaperconlbinesthefirStquaSi-hi曲一speedh塘hwayofourcount巧弋inhuangda0.Shenyangpassengertra币cspeciallilleon_thedynamicresponsetest,thedyn锄i
5、cresponseoftherailwayroadbedm.eanalyzeda11dcalculated.firStofall,aRerconsideringtheproductionmechanjsm(baSicfactor’啪derthevehicleofrail,etc.),itconcludea南mulaoftrainloadtheexpl.essionthatinclude10adedinVibrationofhigh—speedtrain,sumup,印pearonecancontainpace,circuitsmooth嘿oing,arr
6、owhi曲,wheelgettingheaV),.Secondly,thesmooth唱oingmechanismthatp1.oduceofthetrackaremainanalyzed,employingthedensity如nctionofthepowershal(espectllJmtoanalysisland1inearlyatrandom仔equently,introducingthetheo眄ofthesmooth’goingnumericalsimlJlationoftrackbythetriangularprogressionlawan
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8、acement,acceleration,stressinthecrosssection,venicalsectionwiththedouble一1inerailwayinthesin91e—trauckrailway,dr:1wnandanalyzingreSearchedthe1awforthechanbythe鼢a.Throughstudying,itgetsthelawofdistributingthatthemotiVeforcerespondingvalueiIlthe1.oadbedisonthecmsssection,venicalsec
9、tionandBaSicchangelawwithdrivingspeed,th
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