莱阳至海阳二级公路初步设计毕业设计【完整版】(文档可以直接使用，也可根据实际需要修订后使用,可编辑放心下载）湖南科技大学毕业设计〔论文〕题目莱阳至海阳二级公路K0+000～K1+171.793段初步设计作者学院专业学号指导教师摘要本设计为山东省海阳市至莱阳市二级公路K0+000～K1+171.793段的初步设计。主要内容包括：平面设计、纵断面设计、横断面设计、路基设计、挡土墙设计、公路排水及防护工程、路面结构设计。在设计过程中参阅了相关文献资料，并严格按照标准标准设计。线形设计局部，充分考虑了地形地质、平安、环保、土地利用、施工条件及经济等因素；纵断面设计根据道路等级、沿线自然条件和构造物控制标高等确定路线适宜的标高、各坡段的纵坡度和坡长，并设计竖曲线；在横断面设计局部综合考虑公路等级、行车要求、自然地质条件、施工方法，兼顾当地农田建设，保证路基的稳定和排水，来作出正确的设计。在路基设计局部选择合理的路堤填料与压实标准；在挡土墙设计局部，采用了重力式挡土墙，倾斜基底，充分考虑了挡土墙的经济性和平安性；在公路排水及防护工程局部充分考虑到当地地质状况，以及美化环境、改善景观和舒缓驾驶人员视觉疲劳等因素，对该路段局部边坡采用草皮护坡以及窗式护面墙等进行防护；在路面结构设计局部，根据设计要求和实地情况选用了沥青混凝土路面。关键词：平纵横设计；路基设计；挡土墙设计；路面设计ABSTRACTThisdesignstudiesthesecond-classhighwayfromHaiyang,ShandongtoLaiyangwhichcoversK0+000~K1+171.793,including:graphicdesign,alignmentdesign,cross-sectionaldesign,roadbeddesign,retainingwalldesign,roaddrainageaswellasprotectiveengineeringandpavementstructuredesign.Thedesignisinstrictaccordancewiththecodestandardandconsultsrelatedreferences.Thefactorsoftopography,geology,safety,environmentalprotection,landuse,constructionconditionandeconomicsweretakenintoconsiderationinlineardesin;inthelignmentdesign,accordingtotheroadgrade,naturalconditionsandcontrolelevationofstructure,thedesigndeterminestheappropriateelevation,thelongitudinalslopeandslopelengthofeachslopesection,anddesignsverticalcurve;inthepartofcross-sectionaldesign,thedesignconsidershighwaygrade,drivingrequirements,naturalgeologicalcondition,theconstructionmethod,andlocalfarmlandconstructioninordertoguaranteethestabilityofroadbedanddrainage.Intheroadbeddesignpartweshouldselectreasonableembankmentpackingandcompactedstandards;inthepartofretainingwalldesign,thedesignerusesagravityretainingwallandslopingbaseandtheeconomyandsafetyofretainingwallaretakeninaccount;inthedesignofhighwaydrainageandprotectiveengineering,inviewofthefactorsoflocalgeologycondition,landscaping,landscapeimprovementandrelievingofvisualfatigueofdrivers,thedesignusesgrasssodaswellasfacingwallofwindow-typetoprotectpartofthesideslope;inthep