大跨軟巖地鐵隧道施工方法研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文大跨軟巖地鐵隧道施工方法研究姓名：王文權(quán)申請學(xué)位級別：碩士專業(yè)：建筑與土木工程指導(dǎo)教師：楊其新崔明昌2002.8.1西南交通大學(xué)碩士研究生學(xué)位論文第||頁AbstractBasedonthebig—spanmetrotunnels，thethesisprimarilystudiesthemechanicalcharacteristic，thestabilityandtheconstructionmethodsab

2、outthebig—spantunnelsBesidesofthestudydevelopmentsaboutthebigspantunnelshomeandaboard，thepaperanalyzethebasicmechanicalcharacteristicofbig—spantunnelsandtheinfluenccfactor，whichincludesshapeofcrosssection，highspanratioan

3、dinvertAtthesametime，thestabil時ofbig—spantunnelwithinfluencefactorsuchassectionsize，high—spanratioanddepthisstudiedThen，thepapersummarizesthebasicmethodoftunneling，andprimarilystudiesthepropermethodforbigspantunnels。whic

4、hincludesbasicmethodandassistantme也od，andcarilesouttheevaluationofconstructionmethodsFinally，thepaperdiscussestheapplicationofitintheGuangZllouMetroprojectBywayofthetheoryanalysis，thepaperconsidersthatthehighspanratioisa

5、basicmechanicalparametersthatinfluencethestabilityandenduranceoftunnelsstructureandsurroundingrockInthesametime，thepaperrevealsthattheinvertplayaimportantroleinkeepingthestabilityandenduranceoftunnelsstructureandsurround

6、ingrockInaddition，theredistributionofstressisnotequablewhentunnelisexcavated，sothesustainingmeasureforsurroundingrocknearthewallfootshouldbereinforcedandselectthusCroSSsectionformer，ofwhichthearchliningisthickeningfromto

7、ptosidesThereareseveralavailabletunnelingmethodsforbig—spantunnelThemethodthatappliestotheprojectmustbeselectedtakingaccountofthegeologicalconditionandtheabilityofconstructionIntheGuangZhnnMetroproject，thedoubledriftmeth