双连拱隧道洞口段地震动力响应及减震措施研究

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1、西南交通大学硕士学位论文双连拱隧道洞口段地震动力响应及减震措施研究姓名：王正松申请学位级别：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1V页Abstractwiththewestofa蛐唿greatlyexploiting,amassoftunnelsforhighway,railway,andwaterandelectricityprojcotshavebeenconstructing．Itisinescapabletoconstructtunnelsne．aractivef

2、aultorinhi．ghearthquakeintensityregions．Theseismicresponseanalysisofundergroundstructuresisofgreateconomicandsocialsignificance．Asaspecialstructureoftunnelconstructedinhigbearthquakeintensityregions，itisnecessarytostudyondouble—archtunnelsinseismicresponseandthec

3、orrespondingmeasures0fshockabsorption．Thispaperisresearchonseismicdynamicresponseofportalofdouble-archtunnel，andnumericalmodelingisappfiedtoanalyzingseismicdynamicresponserulesofportalofdouble—archtunnel．Thispaper'scontentsaresummarizedasfollowing：Firstly,thespec

4、trumorfrequencycomponentswithXudianzitunnelseismicwaveareanalyzed；duetothebaselinedrifthitheseismicwave，baselinecorrectionhasbeenapplied．Secondly,theeffectsofmanyfactorsonseismicdynamicresponseofdouble—archtunnel，suchasdepthofburial，parametersofsurroundingrock,ea

5、rthquakeintensity,arenumericalmodeled,andrulesofvariationincorrespondingparametersaleanalyzedandcompared．’．，Thirdly,theeffectsofshockabsorptionsareanalyzedbywayOfchangingmaterialpropertiesofshockabsorptionlayer、spacebetweenanti·seismicjointandmaterialpropertiesof

6、anti·seismicjoint,andtheinfluencesofvariationsofmaterialproperties0fshockabsorptionlayer、spacebetweenanti·seismicjointandmaterialpropertiesofanti·seismicjointaresummarized．Then，theeffectsofshockabsorptionsaleanalyzedbywayofchangingdepthofgroutingandchanginglocati

7、onofgrouting，andtheinfluencesofvariationsofdepthofgroutingandlocationofgroutingaresummarized．Inthefinalchapterofthisthesis，conclusionandexpectationaregiven．Keywords：double·archtunnel，seismicdynamicresponse，shockabsorption，anti-seismicjoint，grouting西南交通大学硕士研究生学位论文

8、第1页西南交通大学学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定，同意学校保留并向国家有关部门或机构送交论文的复印件和电子版，允许论文被查阅和借阅。本人授权西南交通大学可以将本论文的全部或部分内容编入有关数据库进行检索，可以采用影印、缩印或扫描等复印手段保存和汇编本学位论文。本学位论文属