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《砂卵石地層盾構(gòu)施工對鄰近建筑物穩(wěn)定性影響研究》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、西南交通大學(xué)碩士學(xué)位論文砂卵石地層盾構(gòu)施工對鄰近建筑物穩(wěn)定性影響研究姓名：鄭小雪申請學(xué)位級別：碩士專業(yè)：橋梁與隧道工程指導(dǎo)教師：漆泰岳20080601西南交通大學(xué)碩士研究生學(xué)位論文第1I頁AbstractTheconstructionofmetroisaneffectwaytoreducethetrafficjaminbigcities．Thesectorofshieldtunnelmostlydistributesinthemaincityzonewherethebuild—ingsandundergroundductsarecrowded．Althoughshieldtunnellin
2、gconstructionbelongstoonemethodsofundergroundexcavating，itstillCanaffectsoilinevitablyanddistortsoil，causingaseriesofgeotechnicalenvironmentproblems，suchasthebuildingsinclining，crackingandcollapsingandSOon．WiththefastdevelopmentofChendDumetro’Sconstruction，thesafetyofstructureinducedbymetroconstru
3、ctionhasgotmoreandmoreattentionfrompeopleindifferentkindsoffield．Ingeneral，theprotectingofbuildingsisnotincludedinthedesignwhenstart。ingasubwayproject，anditdependsmainlyonthecontrolofgroundsurfacesettle-mentunderconstruction．InChina，itcanoftenbeabletosetalimitedsettlementforprotectingbuildings．a(chǎn)nd
4、thenumberisalwaysbetween-30mmto+10mm．IfthelimitWasexceeded，theadjustingoftheorderofexcavationorthecorrectionofini·tialplancouldbedone．Thisprocessing，however,ignoresspecifictypeofbuildingsandcorrespondingresponsetothetunnelexcavationforthebuildings，thenthosestrengtheningmeasuressometimesseemtobever
5、yconservative．ThelineofChengDumetroprojectpassesaspecificstratumofgravellayer,theshieldtunnelingconstructionfacesaverydifficultsituation，andthere’SnoknownexperienceinChina．Inordertoclearlyunderstandthetunnelinginduceddamageandthetunneling—adjacentstructuresinteractioningravellayer,thispapercollect
6、sdamageevaluationdetailsandmakesanumericalmodelingoftheinteraction，find-ingsomeusefullawsandprovidingguidancefortheconstructionclosetobuildings．Thestabilityofthebuildingsinducedbythemetroconstrucionattractsmoreandmoreattentionsfrompeople．Therefore，howtoavoidthecollapsesduringcon-stllJctionaIld‘owt
7、oeffectivelypredictcontrolthesurfacesettlementcausedbycons缸uctionhavealreadybecomeoneofthemostimportanttopicsthatmustbead‘dressedduringtheconstructionofmetrosotherurbanundergroundworks·Thispaperhasmadesomeanalysi
