桥梁专业毕业设计计算书

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1、CHANGSHAUNIVERSITYOFSCIENCE&TECHNOLOGY毕业设计（论文）题目：诸永高速公路岩坦A匝道2号桥施工图设计学生姓名：熊波学号：200518030325班级:桥梁3班专业：土木工程（桥梁工程）指导教师：蔡长丰2009年6月诸永高速公路A匝道2号桥施工图设计诸永高速公路岩坦A匝道2号桥施工图设计摘要随着交通量的快速增长，车速提高，人们出行希望有快速、舒适的交通条件，预应力混凝土连续箱梁桥能适应这一需要。它具有桥面接缝少、刚度大、整体性强，外形美观，便于养护，跨度能力大，能充分发挥材料强度等优点，是大中跨

2、径推广比较普遍的一中桥梁体系。本设计为公路（80m+140m+80m）三跨预应力混凝土连续刚构桥。主梁截面形式为等截面箱形梁，采用单箱单室。桥面总宽为净0.5m+11m+1.0m+11m+0.5m，双向四车道。s采用悬臂施工法施工。预应力混凝土连续梁采用C50混凝土；预应力筋均采用φ15.2（1×7标准型）低松弛钢绞线。该桥的设计分为三部分：①桥型方案设计及比选；②上部结构设计及验算；③施工图设计。设计软件主要用桥梁电算以及桥梁博士。关键词：连续梁桥；预应力混凝土；设计诸永高速公路A匝道2号桥施工图设计THEDESIGNFORT

3、HECONSTRUCTIONDRAWINGOFTHECIRCLEROADONNo.2BRIGEFORYANTANOFZHUYONGHIGHWAYEXPRESSABSTRACTWiththerapidincreasingofthetrafficcapacityandtheadvanceofthevelocity,itisrequiredthatthereisfasterandmorecomfortabletrafficconditionforpeoplegoingout,whichcanbemetbytheprestressedc

4、oncreteseriesboxgirderbridgewithsuchvirtuesasfewsurfacejoints,betterunitary,morebeautifulfigure,easiertomaintenanceandlargerspanscapabilityandsoon,whichisabridgesystempopularinmediumandlarge-sizedbridges.Thisdesignisforatwo-spancontinuousprestressedconcretebox-girder

5、highwaybridge(80m+140m+80m).Theformofthemainbeamisthesamecross-sectionboxgirderwithasingle-boxandsingle-room.Thenettotalwidthofthebridge0.5m+11m+1.0m+11m+0.5m(sidewalk),havingfourlanesbytwo-way.Thebridgeisconstructedbythemethodsofbuildingbridgeoncantilever.Theprestre

6、ssedconcretescontinuousbeamsuseC50concreteandtheprestressedreinforcementsaremadeofφ15.2(1×7standard)low-relaxationStrandedWires.Thedesignofthebridgeisdividedintothreeparts:1.Thedesign,comparisonandselectionofthebridge-program;2.Thedesignandcheckoftheupperpartofthestr

7、ucture;3.Thedesignoftheconstructiondrawing.4.ThemaindesignsoftwareisBridgeElectrontionandDr.Bridge.Keywords:continuousbeambridge;prestressedconcrete;designing诸永高速公路A匝道2号桥施工图设计目录1方案比选--------------------------------------------------------------------------------11.1概

8、述-------------------------------------------------------------------------------11.1.1设计依据-----------------------------------------