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1、2013年摘要本设计为双向四车道,设计行车时速100公里,路线全长为2720.231m,路基宽度为26m,行车道宽度为4×3.75m,其中规划远景设计年限为20年。设计内容包括道路技术等级与技术标准论证、道路方案设计、指定路段技术设计等。选线与定线是根据交通量确定道路等级,在地形图上确定三条备选路线,通过三个方案主要指标进行比选,确定最优方案。平面设计按照书中要求选定路线的各种技术指标,计算平曲线参数,确定线形。纵断面设计主要考虑纵坡在满足书中和规范上各规定的情况下,尽量使填挖趋于平衡,利于排水和行车舒适,计算竖曲线要素。横断面设计中考虑排水和行车
2、安全稳定等因素确定道路的横断面形式。路基设计主要进行确定压实标准、路基高度、边坡形状、坡度、路基排水等设计。公路边坡防护采用合理设计坡比,设置浆砌片石护面墙、喷浆护坡、挡土墙等进行加固,水土流失防治效果较好。公路沿线设置了完善的排水系统,如边沟、排水沟、截水沟等,将地表径流引入自然溪沟或通过涵洞排出。路面采用沥青路面设计,三层体系。本设计使用了纬地道路设计软件出图,效率高,避免了人力资源的浪费。关键词:沥青路面;路线;横断面;纵断面;挡土墙。292013年AbstractThisdesignisfour-lanetwo-way,designtraf
3、ficspeedof100km,theroadlength2720.231m,subgradewidthof26m,thecarriagewaywidthof4×3.75m,amongthemplantodesignservicelifeas20yearsindistantview.Designthecontentandincludetheindustrialgradeoftheroadandproof,roadconceptualdesign,appointingthetechnicaldesignofhighwaysectionandspeci
4、altopictobedesignedofthetechnicalstandard.Routeselectionandalignmentdeterminedinaccordancewiththeroadtrafficlevels,thetopographicmaptodeterminethethreealternativeroutes,throughthreemainindicatorsoftheprogramthantheelection,determinethebestoption.Graphicdesignrequirementsinacco
5、rdancewiththeselectedbooklineoftechnicalindicators,calculateflatcurveparameters,determinethelinear;ProfileDesignmajorconsiderationlongitudinalandspecificationtomeettheprovisionsofthebookwhere,asfaraspossiblesothattendstobalancecutandfill,drainageandroadcomfortconducivetocalcul
6、ateverticalcurveelements.Cross-sectionaldesignofthedrainageandroadsecurityandstabilityintoaccountsuchfactorsdeterminetheformofroadcross-section.Foundationprimarilydesignedtodeterminethecompactionstandards,embankmentheight,slopeshape,slope,embankmentanddrainagedesign.HighwaySlo
7、peProtectionreasonablethantheslopedesign,madeofmortarandstonessetretainingwall,sprayPitchingandreinforceretainingwalls,Controlsoilerosionbetter.Theroadhasalongtherouteestablishedtheperfectdrainagesystem,likesideditches,drains,ditchesclosed,andsoon,totheintroductionofsurfacerun
8、offorthroughnaturalGullydischargeculvert.Pavementusedasphaltp