武漢長江盾構(gòu)隧道管片設(shè)計計算.pdf

1、華中科技大學(xué)碩士學(xué)位論文武漢長江盾構(gòu)隧道管片設(shè)計計算姓名：焦齊柱申請學(xué)位級別：碩士專業(yè)：建筑與土木工程指導(dǎo)教師：鄭俊杰20061009華中科技大學(xué)碩士學(xué)位論文AbstractWiththerapiddevelopmentofeconomyandthecontinuousimprovementofurbanconstruction，comfortableandconvenientundergroundrailwayispaidmorean

2、dmoreattentionnowadaysThereforeresearchesoutherelatedtheoriesofundergroundshieldtunnelareofgreatsignificanceintheoryandpracticeFirstlythethesisintroducesthedesigntheoryofshieldtunnelsegmentsForapracticaltunnelprojecthowt

3、odeterminethetypeanddimensionofsegments，andcnsuretherequirementsforstrengthonsegmentsarecomplicatedTheauthorintroducestheexistingdesigntheoriesofshieldtunnelliningintermsofthetypesofsegment，designparametersloadonsegments

4、andcheckingmethodsofsegmentdesignandsoonBasedontheaboveall，animprovedschemeisproposedandthefeasibilityisalsostudiedThesegmentdesignoftheshieldtunnelcrossingYangtzefiverinWuhanisanalyzedindetailThemechanicalmodeIand10adst

5、ructuremodeofthestructureofshieldtunnelsegmentaresimulatedThestructuralinternalforceandthedeformationanalysisofthesegmentdesignschemearedeterminedbasedonspecialcalculationconditionsTheyhavebeencalculatedintwocrosssectiou

6、sofstructureintheconditionofthestratumwithgreatdifferenceFromtheresul4wecanfindthattheinternalforceandthedeformationinthestructureatelargerintheconditionoftheupperhardandlowersoftstratumthanwithonlythesoftreckwhichisadve

7、rsetothestressofthetunnelTherefore，thedesigniscontrolledbythecalculationresultoftheintemalstressandthedeformationwhentheshieldtunnelisenclosedbytheupperhardandlowersoftstratumThensomerelatedproblemsaboutshieldtunneldesig

8、narediscussedThisthesiscanhelptheengineerstoknowmoreaboutthemechanicalperformanceoftheshieldtunnelsegmentinsoftsoilandc柚guidethedesignwhichCallleadthedesignsafermorereliableandeconomicalKeywords：shieldtunnelsegmentdeform