预应力混凝土连续曲线箱梁桥设计关键技术研究

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1、重庆交通大学硕士学位论文预应力混凝土连续曲线箱梁桥设计关键技术研究姓名：张天佑申请学位级别：硕士专业：建筑及土木工程指导教师：向中富;卓培明20081101ABSTRACTAlongwiththerapiddevelopmentoftheonrcountryhighwayandurbanroad．s仃ucturethings，suchasviaductandinterchange⋯etc．driveagreatdealofadoption．pr印aretohavebecometheimportantbridgetypeofmodemtransp

2、ortation1n士rastrucnlreinresponsetoprestressedconcretecontinuouscurvedboxgirderbridge．Thisdiscoursepulledarcdifferentialequationetc．offlatsurfacedif．ferentialequation，dintandcontingencyofVlasovflexiblethinwallstmcmretheories．flatsurtacesongbeamtocarryonintroductionanddeduceto

3、thebasictheoriesandcalculationmethod。signofcurvebeambridgefirstandanalyzeddevelopmentandtheoriesfoundationofFiniteelementmethodtocarryontoelaboratecurr锄tlvt0thestmcnlreofthecommonnessadoption．After,withamutualcommunicationsignstohandoveramllcirclewaythebridgeactualengineerin

4、gforbackground，makeuseofallalyricalprocedure，theadoptionparametervariationmethodcarriedonagreatdealofcalculationtothemainfactorthatinfluencesc1．uwebeambridgeandmoreanalⅥical．particularlyanalyzedcurvatureradiusinfluenceandbepartialtomovedecorationandsystemtemperature，temperat

5、uregradientandconstitutionanti．totwisttoaccept，pr印areetc·lSmresponsetothedintkeyproblem．Transformandiscarriedonbydint。analysissummarytothecurvebeambridge．TheanalysisthatpassesanabovefactorCansee，Curvatureradiusandbep枷a】topIace，systemtemperatureandtemperaturegradient⋯etc．besu

6、bjectedtodinta11d舰nsto册influencetoshowverymuchtothestructure．Thisdiscoursespeciallvispartialtoplaceandestablishesanantitwisttoaccepttoearlyontothedetailedresearch．putforwardthecenterofgravitylineoflookingforthecurvebeambridgeands01vestructureofpaytheanti_dintmakesbothunderth

7、ecertainconditionbalancetomakesurethatthereasonableispartialtothedesignwayofthinkingofmovingthequantitv．KEYWORDS：Curvedboxgirder；Temperatureeffect；PrestresssdisposeExcursionbearing；Anti—twiststoBearing；重庆交通大学学位论文原创性声明本人郑重声明：所呈交的学位论文，是本人在导师的指导下，独立进行研究工作所取得的成果。除文中已经注明引用的内容外，本论

8、文不包含任何其他个人或集体己经发表或撰写过的作品成果。对本文的研究做出重要贡献的个人和集体，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