金寨特長隧道施工技術(shù)研究.pdf

1、同濟大學(xué)交通運輸工程學(xué)院碩士學(xué)位論文金寨特長隧道施工技術(shù)研究姓名：丁士忠申請學(xué)位級別：碩士專業(yè)：道路與鐵道工程指導(dǎo)教師：楊新安陳東杰20071101ABBSTI認CTABSTRACTSincethedevelopmentoftherailwayconstructionrecentlyinChinaisveryfastPDLhi曲speedrailwayisnewlyappliedinChinaBecausetherequirements

2、onthestraightnessandlongitudecrosssectionofhighspeedrailwayisveryhigh，thenumberoftunnelsismoreandmore，andtheratiooftunnellengthtothetotalIengtllismoreandmoreAtpresent，wehavelessexperienceonbuildingthehighspeedPDL，especia

3、llessexperienceonbuildingthePDLtunnelprojects，SO，howtohandlethedifferencesofPDLtunnelandnormaltunnel，whatarethekeytechnologyofPDLtunnelconstruction，andbywhichwaytodesignandconstructPDLtunnelarethemainproblemsweshouldface

4、tOatthismomentThetunnelprojectsaregreatlycontrolledbythegeologyandwaterconditionTheyaregreatlyinfluencedbythelocationandhavedifferencesinmanyways，especiallytheextralargetunnel，theyhavegreaterdifferencesJinzhaitunnelisone

5、oft11eextralargePDLtunnelsweconstructinChinaIthasthefeaturesofbigCROSSsection，hi。ghstandard，tensetimescheduleandhardstonesandSOonThispaperproposesthereasonableconstructionmethod，constructiontechniquesandsafetytechniquesa

6、ccordingtOthegeologyandwaterconditionresearchofJinzhaitunnel，theverificationtotheorganizationconstructionscheme，theanalysisofgeologyscourage，thestudyonthecontrolpolicytheonsiteexperimentontheparametersoftunnelsmoothblast

7、ing，thestudyontheonsiteairandballast，thecontainsoftestedairandthereleaselawofharmfulgasThestudyresultsmainlycontain：(1)ThefeaturesandkeytechnicalissuesoftheextralargePDLtunnelinpetrosilexarea；(2)Proposingtheconstructionm

8、easuresofJinzhaiTunnel；(3)Concludingthekeytechnicalissues4andmaintechnicalmeasuresofJinzhaitunnelconstruction；(4)ExplainingthedisciplineofgeologyscourgeinJinzhaituneeI’constructionandconcludingthepreventiontechnology；Thi