一级公路毕业设计

1111本科毕业论文（设计）本科毕业论文（设计）本科毕业论文（设计）本科毕业论文（设计）题目：至烟店（K45+000～K50+631.277）段一级公路设计姓名：学号：院（系）：专业：土木工程指导教师：职称：评阅人：职称：2011201120112011年6666月2222摘要本文主要是进行三汊至烟店段高速公路的的设计。设计部分的公路全长5631.27m，设计车速为80km/h，双向四车道，设置中央分隔带。公路设计的主要内容包括路线方案的比选及拟定、平纵横断面的设计、路基路面及排水设计、桥涵设计。路线部分：按照公路选线原则和方法，对两种不同的路线方案进行了比选，确定设计方案，并进行纸上定线；平面设计主要是对线形的设计和平曲线设计参数的计算与验证；纵断面则根据纵断面设计的基本原则、方法与步骤，对纵断面的纵坡、坡长、竖曲线进行设计，并计算与验证竖曲线元素；在横断面的设计中，确定横断面组成及各种要素，对其他组成设施进行相应的设计与论述，并对圆曲线进行超高设计与计算，土石方的计算与调配也进行了计算。路基部分：对一般填方路基、半填半挖路基、挖方路基、陡坡路基、浸水路基以及特殊路基进行了设计。在路基稳定性差的地段，如深路堑、陡坡路堤、浸水路堤、不良地质条件地段采取了相应的坡面防护和挡土墙支挡措施，并对挡土墙进行了设计计算。简要描述了公路的排水设计。路面部分：根据该路段的交通量数据，对沥青混凝土路面的结构层厚度进行了设计计算。全线范围内共设置5座桥梁。进行桥位、桥型、结构类型的选择及桥梁标高的确定。关键词：路线路基路面挡土墙排水桥涵3333AAAABSTRACTBSTRACTBSTRACTBSTRACTThisarticleisforSanchatoYandianhighwaydesignsection.Designpartofthehighwayfull5636.661m,adesignspeedof80km/h,two-wayfour-lane,setthecentralreserve.Themainhigh--waydesignincludingrouteselectionanddevelopmentofspecificprograms,flatverticalandhoriz-ontalsectionofthedesign,Pavementanddrainagedesign,bridgeandroadcrossoverdesign.Linesection:Inaccordancewiththeprinciplesandmethodsofhighwayline,thelineoftwodifferentprogramthantheelection,determinedesign,andcarryoutapieceofpaperDingline;pla-narprimarilydesignedtothedesignoflineardesignParametersHupingquxianValidationandCalculation;longitudinalverticalsectiondesignunderthebasicprinciples,methodsandstepsontheverticalsectionofthelongitudinalslope,slopelength,verticalcurvedesign,andcalculationandverificationofverticalcurveelements;inthecross-sectionaldesigntodeterminethecross-sectionalformandvariouselementsoftheothercomponentsofthefacilities(suchasditches,embankmentslopegradient,slopeprotectionRoadandHouseofRecollectedFragmentsstation,takethepitanddiscardheap)forthecorrespondingdesignarediscussedandthedesignandultra-highcircularcurvecalculation,thecalculationofearthandstonewerealsonecessarywiththedeploymentofthetextdescriptionandcalculation.Embankmentsections:generalfillroadbed,CutandFillembankment,subgradeexcavation,steepembankment,floodinghighwaysandaspecialroadbedmadeadetaileddesign,poorstabilityintheembankmentlots,suchasthedeepcutting,steepembankment,floodingembankment,badgeologicalsectioncorrespondingtotheretainingwallandslopeprotectionmeasures,andretainingwallsinthedesigncalculations.Catbrieflydescribesthedesignofhighwaydrainage.Roadsection:Accordingtothetrafficvolumedata,respectively,asphaltconcretepavementdesigncalculations.Acrosstheboardweresetwithinthe4bridges.Forbridge,bridgetype,structuretypeselectionandbridgeelevationdetermination.Keywords:Keywords:Keywords:Keywords:RouteSubgradeandPavementRetainingwallDrainageBridgeandCulvers4444目录第一章绪论.....................................................................................................................1第一节毕业设计主要内容.........................................................................................1第二节道路设计的原则.............................................................................................1第三节本文所做工作.................................................................................................1第二章设计资料收集与分析.......................................................................................3第一节项目概况.........................................................................................................3第二节自然地理条件.................................................................................................3第三节工程地质条件.................................................................................................3第四节施工条件.........................................................................................................6第五节道路等级的确定和技术标准论证..................................................................6第三章路线设计.........................................................................................................13第一节路线方案选择...............................................................................................13第二节平面线形设计计算.......................................................................................15第三节纵断面设计...................................................................................................27第四节横断面设计...................................................................................................36第五节土石方的计算和调配...................................................................................43第四章路基路面及排水设计.....................................................................................47第一节路基、挡土墙及排水设计............................................................................47第二节路面设计.......................................................................................................63第五章桥梁、涵洞及隧道设计..................................................................................81第一节桥涵设计.......................................................................................................81第六章结束语.............................................................................................................86参考文献....................................................