二级公路毕业设计

毕业设计中文题目平原微丘二级公路AB段设计英文题目TheDesignOfGrade2HighwayInPlainMicroHillArea系别：土木工程与建筑系专业年级：2007级土木工程专业姓名：许伟学号：20070911215指导教师：赵花丽职称：副教授2011年5月18日毕业设计诚信声明书本人郑重声明：在毕业设计工作中严格遵守学校有关规定，恪守学术规范；我所提交的毕业设计是本人在赵花丽指导教师的指导下独立研究、撰写的成果，设计中所引用他人的文字、研究成果，均已在设计中加以说明；在本人的毕业设计中未剽窃、抄袭他人的学术观点、思想和成果，未篡改实验数据。本设计和资料若有不实之处，本人愿承担一切相关责任。学生签名：年月日I平原微丘二级公路AB段设计【摘要】本次毕业设计的题目是平原微丘二级公路设计，设计时速为80km/h。本设计按照“安全、舒适、经济”的原则，根据国家相关规范进行设计。道路部分包括道路路线方案选择、平面设计、纵断面设计、横断面设计、路面结构设计、路基排水设计。设计成果包括路线平面图、路线纵断面图、路基横断面图、路基(路面)结构图、道路技术经济指标表、直曲转角表、路基土石方数量表、路基设计表、路基工程数量表等。【关键词】二级公路，设计过程，设计成果IITheDesignOfGrade2HighwayInPlainMicroHillAreaAbstract：Thegraduationdesignisentitledtothedesignofgrade2highwayinplainmicrohillarea.Thedesignofspeedis80km/h.Thedesignisinaccordancewiththeprincipleofsafety,comfort,economy,Accordingtonationalnormsralatedtothedesign.Partoftheroaddesignincluderoadlineprojectselection,grpahicdesign,thedesignoftheverticalsection,theroadbeddesign,cross-sectionaldesign,structuraldesignoftheroad,embankmentanddrainagedesign.Resultsoftheoveralldesignincludemapsofroadlineprojectselection,grpahicdesign,thedesignoftheverticalsection,cross-sectionaldesign,structuraldesignoftheroad,technicalandeconomicindicatorstableoftheroad,straightlinesandcurvescornertable,thenumberofembankmentofearthandstonetable,roadbeddesigntable,thenumberofroadbedprojecttableandsoon.Keywords：highwayofgrade2，theprocessofdesign，thedesignresultsIII目录第一章设计总述...........................................................................................................1一、课题背景................................................................................................................................1二、我国公路发展规划与展望.................................................................................................2三、设计资料................................................................................................................................3第二章路线平面设计...................................................................................................6一、基本线形要求.......................................................................................................................6二、平面设计步骤.......................................................................................................................9第三章路线纵断面设计.............................................................................................15一、本路段纵断面概况............................................................................................................15二、纵坡设计..............................................................................................................................15三、纵坡计算..............................................................................................................................18第四章路线横断面设计.............................................................................................20一、基本要求..............................................................................................................................20二、一般路基设计.....................................................................................................................20三、路基排水设计.....................................................................................................................22四、工程量及土石方调配........................................................................................................22第五章路面设计.........................................................................................................24一、判别土基干湿类型............................................................................................................24二、轴载分析..............................................................................................................................25三、结构组合与材料选取........................................................................................................26四、各层材料的抗压模量与劈裂强度..................................................................................26五、设计指标的确定.................................................................................................................26第六章涵洞设计.........................................................................................................28一、基本要求..............................................................................................................................28二、各类涵洞的特点.................................................................................................................28IV三、涵洞择位时应遵循以下原则...........................................................................................29四、进出口的选择.....................................................................................................................29五、施工方法及注意事项........................................................................................................30第七章路基边坡防护.................................................................................................32一、概述.......................................................................................................