武汉长江盾构隧道管片设计计算

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1、华中科技大学硕士学位论文武汉长江盾构隧道管片设计计算姓名：焦齐柱申请学位级别：硕士专业：建筑与土木工程指导教师：郑俊杰20061009华中科技大学硕士学位论文AbstractWiththerapiddevelopmentofeconomyandthecontinuousimprovementofurbanconstruction，comfortableandconvenientundergroundrailwayispaidmoreandmoreattentionnowadays．Thereforeresearchesoutherelatedtheoriesofundergrou

2、ndshieldtunnelareofgreatsignificanceintheoryandpractice．Firstly,thethesisintroducesthedesigntheoryofshieldtunnelsegments．Forapracticaltunnelproject,howtodeterminethetypeanddimensionofsegments，andcnsuretherequirementsforstrengthonsegmentsarecomplicated．Theauthorintroducestheexistingdesigntheor

3、iesofshieldtunnelliningintermsofthetypesofsegment，designparameters,loadonsegmentsandcheckingmethodsofsegmentdesignandsoon．Basedontheaboveall，animprovedschemeisproposedandthefeasibilityisalsostudied．ThesegmentdesignoftheshieldtunnelcrossingYangtzefiverinWuhanisanalyzedindetail．Themechanicalmod

4、eIand10ad．structuremodeofthestructureofshieldtunnelsegmentaresimulated．Thestructuralinternalforceandthedeformationanalysisofthesegmentdesignschemearedeterminedbasedonspecialcalculationconditions．Theyhavebeencalculatedintwocross-se,ctiousofstructureintheconditionofthestratumwithgreatdifference

5、．Fromtheresul4wecanfindthattheinternalforceandthedeformationinthestructureatelargerintheconditionoftheupperhardandlowersoftstratumthanwithonlythesoftreck,whichisadversetothestressofthetunnel．Therefore，thedesigniscontrolledbythecalculationresultoftheintemalstressandthedeformationwhentheshieldt

6、unnelisenclosedbytheupperhardandlowersoftstratum．Thensomerelatedproblemsaboutshieldtunneldesignarediscussed．Thisthesiscanhelptheengineerstoknowmoreaboutthemechanicalperformanceoftheshieldtunnelsegmentinsoftsoil．andc柚guidethedesign,whichCallleadthedesignsafer,morereliableandeconomical．Keywords

7、：shieldtunnelsegmentdeformationdesignⅡ独创性声明X161821；S本人声明所呈交的学位论文是我个人在导师指导下进行的研究工作及取得的研究成果。尽我所知，除文中已经标明引用的内容外，本论文不包含任何其他个人或集体已经发表或撰写过的研究成果。对本文的研究做出贡献的个人和集体，均已在文中以明确方式标明。本人完全意识到本声明的法律结果由本人承担。学位论文作者签名：佳jp}主日期：2,005年lo月尹日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