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ID:37332295
大小:5.61 MB
页数:78页
时间:2019-05-22
《公路连拱隧道与小净距隧道地震动力响应对比研究》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、西南交通大学硕士学位论文公路连拱隧道与小净距隧道地震动力响应对比研究姓名:凌燕婷申请学位级别:硕士专业:桥梁与隧道工程指导教师:高波20081201西南交通大学硕士研究生学位论文第1f页AbstractBythefactors&thespecialterrainandgeologicalconditions,thegenerallines,thelinesbetweenBridgesandTunnels.projectcostandmannerrestrictionsandSOon,double-linespacingaroundth
2、etunnelcarlnotguaranteetomeetregulatoryrequirements.Theprogramofarchtunnelsandneighborhoodtunnelshasbecomeallimportantoptionsinordertodbtaill900dtechnicaleconomicandenvironmentalbenefits.Studyonearthquakedynamicresponseofthemulti.archtunnelsandneighborhoodtunnelsonhigh.
3、intensityearthquakezoneshasallimportantvalueandsocialsignificance.InthisPaper,thenumericalanalysisofthedynamictimehistoryintheprocessofdynamicanalysis,artificialboundaryconditions,dampingmodeltocalculatetheregion,anddiscretemethodwerediscussed.Inthemeantime,sucharandoms
4、eismicsignalthatexistinthebaselinedrift,tobecost—effectiveuseofleastsquaresLawhadtheirbaselinecorrection.ThenbytheuseofFL~CⅢ,anfinitedifferencesoRware,thedynamicresponseanalysisofthemulti.archtu/lnelandtheneighborhoodtunnelarecomparedandanalyzed,andthemaincontentsareasf
5、ollows:l1comparativeanalysisoftwotypesofconventionalstructureofthetunllelwithdifferentsectionsandtheconditionsoffigure-powerinresponsetotheearthquakeareperformed.Theeffectsofdifferentparametersofsurroundingrock.thedepthofthedifferentstructureofthetunnelwherethetwotypeso
6、fdynamicresponseofthelaw,acomparativeanalysisofcorrespondingchangesintheparametersofthetunnelstructureofthetwotypesofseismicdynamicresponseareanalyzed.Andseismicexcitationintensityanddirectionofboththestructureofthetunnelfortwotypesarecomparativelystudied.21comparativea
7、nalysisof也emiddleWallbetweenthemulti.archtunnelsandneighborhoodtunnelsinresponsetotheearthquakeareperformed.Respectively011theopeningholewiththefigureabovetwotypesofstructuresinthetunnelwallandtherockwallintheprincipalstresscomparativeanalysis.comeinwiththewallrockwallt
8、ensilestressandminimumprincipalstressconcentratedpositions.31theseismicanalysisoftheportalsectionoftheXudianzi
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