超大纵坡公路隧道运营安全控制技术分析

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1、西南交通大学硕士研究生学位论文第1I页AbstractAsaspecialbuilding，Tunnelareusedtoovercometopographicalconstraints，improvehighwayslinear,shortendrivingdistance，ortoavoidsomeofthegeologicaldisaster-proneareas，whichcanachievetheprotectionoftheecologicalenvironment,saveenergy,savetime，improv

2、ethesocialandeconomicbenefits．RoadspecificationrequiredforthetunnelGradientare嬲follows：longitudinalslopeofhighwaytunnelshouldbedesignedbetween0．3％and3％．ThelengthoftunnelsislessthanlOOmshouldnotbelimitedbythisrule．However,insomelimitedterraintheexhibitionlinedisadvanta

3、gedareasorconstructionGradienttunnelhasgreatvalueformoney,whetheritCanselectconstructionofbigGradienttunnel，aproblemworthyofstudy．Inthispaper,aresearchoflargelongitudinalslopetunnelandanalysisofCarclimbingprocess，wehavegottheapplicableconditionsoflargelongitudinalslop

4、etunneloption．Fromtheviewofoperationalsafety,weobtainedthemethodfordetermininglargelongitudinalslopegradient，slopelengthanddesignspeed．Accordingtotheoversizedgradientaccidentanalysis，wehavegotlargelongitudinalslopeoperationalsafetyinfluencingfactors，thusweobtainedover

5、sizedgradienttunneloperationalsafetyriskassessmentmethodology．andbasedontheprojectforoperationalsafetyriskassessment，basedonthelevelofrisk，andinitiallyproposedlargelongitudinalslopethetunneloperatorsafetysafeguards．Programsofthetunnelprojectselectionandconstruction,aS

6、wellastheengineeringdesignofthetunnelhasacertainsignificance．KeyWords：operationalsafety；oversizedGradient；disasterpreventionandmitigation：safetyevaluation西南交通大学硕士研究生学位论文第1ll页目录第一章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．1依托工程概况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。11．2超大纵坡运营安全关键问题⋯⋯⋯

7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯41．3国内外研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．41．3．1国外研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．51．3．2国内研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．61．4论文研究意义和主要工作⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．71．4．1论文研究意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．71．4．2论文主要工作⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。7第二章超大纵坡隧道方案适用性和纵坡坡度确定⋯⋯⋯⋯

8、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．92．1国内外工程实例确定超大纵坡坡度⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯92．2国内外纵坡坡度规定确定超大纵坡坡度⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．112．3基于汽车爬坡性能确定超大纵坡坡度⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯