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1、預(yù)應(yīng)力混凝土連續(xù)梁橋畢業(yè)論文1．擇優(yōu)推薦方案。2．進行推薦方案上部結(jié)構(gòu)內(nèi)力分析，截面設(shè)計。3．進行推薦方案的施工驗算。一．設(shè)計原始資料（實驗、研究方案）1．橋位地址剖面圖2．橋面設(shè)計標高434.713．平曲線半徑R=∞4．縱坡i=05．單向橫坡i=2%二．主要技術(shù)指標1．設(shè)計荷載：汽——超20級。2．橋面凈寬：0.5+11.25+2.0+11.25+0.53．橋位氣溫：平均最底-12.3℃，最高+38.1℃4．地震烈度：7度三．設(shè)計完成后提交的文件和圖表（論文完成后提交的文件）1．計算說明書部分：1）設(shè)計指導(dǎo)思想、重點、難點2）各個方案的特點，推薦方案的被選理
2、由1291）推薦方案上部結(jié)構(gòu)的結(jié)構(gòu)計算書、截面設(shè)計計算書2）推薦方案施工驗算書3）施工中注意事項4）設(shè)計小結(jié)1．圖紙部分：1）方案比較圖2）推薦方案整體布置圖3）推薦方案施工示意圖4）推薦方案上部結(jié)構(gòu)配筋構(gòu)造圖5）細部構(gòu)造圖一．主要參考資料1.《公路工程技術(shù)標準》JTGB01-20032．《橋規(guī)》3．教材：《橋梁工程》、《結(jié)構(gòu)設(shè)計原理》、《基礎(chǔ)工程》、《橋梁電算》4．與推薦方案相類似的手算實例。TheDesignofLuo-XiBridge,GuangdongGeneralTheLuo-Xibridge,Guangdong,nowunderconstructi
3、onisafourlanehighwaybridgedownstreamofZhu-JiangRiver.ThemainbridgeisdesignedjointlybyHighwayPlanningandDesignInstitute,MOCandHighwaySurveying,PlanningandDesignInstitute,Guangdong.ThewholebridgeisconstructedbyConstructionDivision,DepartmentofCommunication,GuangdongProvince.Thisbridge
4、isatsouthpartofGuangzhoucity,acrosstheZhu-JiangRiver.Thewidthoftheriveris129461m,averagedepthofwater7.28m,averagevelocityofwater0.97m/sec.Thebediscoveredwithsandofmediumsize,clayandweatheredsandstoneetc.,averagethickness19.2m.Thebedrockisbrownsandstonewhichhasanaveragecompressivestr
5、ength10MPa.Theflowissteadyandscouringofriverbedisnotgreat.Shippingboatsare5000～7000t,navigationwidth120m,height34m.Becausethenavigationisnotclosedatconstructionperiod,anyconstructionequipmententerthenavigationchannelisnotpermitted.Threealternativeswereconsideredinselectingthetypeofb
6、ridge.Theseare:continuousrigidframebridgewithmainspanof180m,continuousgriderbridgewithmianspanof150mandcablestayedbridgewith2pylonswithmianspanof230m.Asthepersenttrendistoeliminateexpansionjointsaswellasbearingsinthedesignoflongbridges,aftertechnicalandeconomicalcomparison,thescheme
7、of65+125+180+110mcontinuousrigidframeisfinallyadoptedinthedesign.Themainbridgeis480mlongwithexpansionjointsprovidedonlyatitsjunctionswithapproaches,andthesuper-structureofthemianstructureiscompletelyintegralwiththepierstoformarigidframe.Singleboxisusedforsuperstructureofmainbridge.H
8、eightofboxis4matbea
