连拱隧道设计及施工优化

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1、挪IIl[1illllll'l',WIIIIIIlllll,'i['㈣Y1527656分类号：U44，U45．10710一学号20040107该孝夫海硕士学位论文导师姓名职称申请学位级别连拱隧道设计及施工优化甄浩字吕康成教授硕士学科专业名称桥梁与隧道工程论文提交日期2007年6月3日论文答辩日期2007年6月10日学位授予单位长安大学答辩委员会主席王晓利教授学位论文评阅人韩晓雷教授张恩强教授AbstractSince1990’S，alongwiththerapiddevelopmentofourc

2、ountry’Shighway,themulti—archtunnelasaresultofitsowncharacteristic，obtainedthewidespreadapplicationinourcountry．But，moreandmoreproblemsappearedinthosemulti．archtunnelswhichhadbeencompletedandinconstructionbecausethereislesssuchexperienceofmulti-archtu

3、nnelengineeringcanbeusedeitherinlandoroverseasforreferencebefore．Inwhichtheleakageofmiddle-wallisthemostubiquitouscase．Itaffcctedthefunctionandtheusethetunnels．Inviewofpresentsituation，thisthesisstudiedthedesignandconstructionofthemulti-archtunnelsrel

4、yingontheprojectofXihanhighwayinShaanxiprovince．Atthebaseofsurveyandanalysistotheconstructionofthemulti—archtunnelprojects，thethesispenetrateswiththeresearchinsiteofconstructionofXihanhighway,accordingtothemulti．archtunnel’Sowncharacteristic．computing

5、tothethin．wallofthecompoundstraight．．middle．．wallandgettingtheresultthatthin．．middle．．wallcanstandthepressurewhenitsdepthis80cm．Meantime．thedepthofcompoundmiddle．wallshouldbethesamewiththedepthofintegralstraight．middle．wall．Thethesisalsocomesouttherea

6、sonofthequalityflawofongoingprojectsthroughtheanalysistothosemulti-archtunnels．Itoptimizestheconstructionplanandwaterproofanddrainagesystem．evenprovidesthesolutiontoreformtheongoingmulti—archtunnelprojectswithqualityflaw．Thethesismainlydiscussesthefol

7、lowingindetails，providingthesolutionforconcretegirderspoutedtothecopingwhichishollowwhenpouringthemiddle—wallofthemulti．archtunnel；analyzingwhytheconstructionofthearcadeisdifficulttomeettherequkementandprovidingtherelevantsolutions；suggestingthatthere

8、movingofthemiddle--guide··holeshouldbelaterthanthedigoftheformalholetoplayitssupportsandprotectionsrolesufficiently；analyzingthereasonofthedilapidationofwaterproofpliesinpavingandeducingthephysicalperformanceoftherubbercushion；analyzingwhyit’S