地铁隧道开挖对建筑结构沉降控制标准研究

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1、西南交通大学硕士学位论文地铁隧道开挖对建筑结构沉降控制标准研究姓名：刘毅申请学位级别：硕士专业：桥梁与隧道工程指导教师：漆泰岳20090501西南交通大学硕士研究生学位论文第1I页AbstractSubwayTunnelConstructioninthecompactcitywillbringearthmovementanddistortionandimpactonthesurroundingenvironment．Inordertoexplorethesubwaytunnelconstruction-induceddamagea

2、ndtheinteractionbetweenbuildingsandtunnel，thisthesismakeuseofmodeltest，numericalsimulationandmonitoringtostudythemutualinfluencebetweenthetunnelandits’surroundingbuildings．Andthenithasproposedthecontrolcriterionsofbuildingsubsidenceinthisthesis．Themainresearchesareasf

3、ollowing：(1)Duetothedifferentformsofthebuildingbasis，themutualinfluencebetweenthetunnelconstructionandneighboringbuildingsisalsodifferent．Basingonthe6也lineofGuangzhou’sDonghuMetroStation，thisthesissimulatesandanalysesthetunnelconstructionundertheHaiyinElectricCity,ino

4、rdertofindouttheregularpatternsofthemutualinfluencebetweenthetunnelandits’surroundingbuildings．(2)Accordingtosimilaritytheory,i．e．，employingtheplanestressmodeltesttosimulatetheimpactoftunnellingontheground，undertheconditionsthatthebasisofthebuildingisexisting，thesurfa

5、cesettlementcurveshavebeenobtainedinthethesiswhichismutuallycertifiedwiththeresultofnumericalsimulationexperiment，andtestifiesthevalidityoftheoutcomeoftheexperiment，throughthecomparisonbetweentheexperimentandtheon-scenemonitoringnumbers．(3)Thedamageofadjacentstructure

6、onthetunnelconstructionisjudgedbyestablishingallowedsoilsettlementandsoilloss，whichdeterminesthedamagedegreeofbuildingandwhethertoadoptthecorrespondingprotectivemeasure，throughcontrollingofthecurvingandincliningdistortionofbuilding．(4)Evaluationprinciplesandcriterions

7、fortheimpactofthesubwaytunnelconstructiononits’surroundingbuildingshavebeenexpounded，andthebuildingsafetycriterionstocontrolthedamageeffectoftunnelexcavationwithinreasonablelimitshavebeenpropoundedinthisthesis．Keywords：subwaytunnel；buildingstructure；numericalsimulatio

8、n；modeltest；controlcriterion学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定，同意学校保留并向国家有关部门或机构送交论文的复印件和电子版，允许论文被查阅和借阅。本人授权西南交通大学可以将本论文