论文总字数：33932字

摘 要

本次设计是常漕一级公路的设计。设计车速为100km/h，双向六车道，设置中央分隔带、路缘带。其新建目的主要是加强本地的联系与沟通，改善运输条件。

通过调查研究和分析讨论，掌握所设计课题的结构构造、使用功能及质量要求。包括正确进行道路的平、纵、横设计计算和路面结构设计，土石方计算等，正确绘制工程设计图。包括施工组织设计文件的编制，技术方案，施工进度设计，工料机调配表及绘制施工横道图和网络图。包括是预算设计，求出工程总造价；其中预算为计算机计算。

路线的平、纵设计考虑当地的地形、地质、水文等条件，平、纵技术指标大小均衡符合规范要求，与周围自然景观相协调。根据路线走向、技术标准、规范和其他资料拟定路线平面和纵断面的各项指标并求出各要素完成平、纵设计。

关键词:一级公路；纵断面设计；横断面设计；路基设计；沥青路面计

Abstract

This design is Changcao first class highway design. The design speed of 100 km/h, six lanes, set the median, side strip. Its purpose is to strengthen the local contact and communication, improve transport conditions.

Through investigation and analysis, to master the design topic about the structure, function and quality requirements. Including correct flat road route design and calculation, longitudinal, transverse and pavement structure design, calculation conditions, etc., draw engineering drawings. Including the construction organization design documents, technical design, construction design, quantity machine allocation table and map construction crossing and network diagram. Including is budget design, project total cost; Which is the budget for computer aided calculation.

Flat, vertical design should consider the terrain, geology, hydrology and other local conditions, flat, and the size of the longitudinal technical indicators should balanced conform to the requirements of the specification, and in harmony with the surrounding natural landscape. According to the route, technical standards, specifications and other information for route plane and profile of the elements of each index and the complete flat, vertical design.

Key words：First class highway; Longitudinal section design; Cross section design; Subgrade design; Asphalt pavement gauge

目录

第一章 工程概况说明..........................................................................................................................................1

第二章 路线平面设计 2

2.1选线设计 2

2.2平面线形设计要求 4

2.3计算算例 6

第三章 纵断面设计 10

3.1纵断面设计原则 10

3.2纵坡设计 10

3.4竖曲线设计 13

3.5平纵组合设计 16

3.6线性与环境的协调 19

第四章 横断面设计 20

4.1横断面的组成 20

4.2横断面各项技术指标 20

4.3路拱坡度及路肩横坡 22

第五章 路基设计................................................................................................................................................25

5.1路基设计总则........................................................................................................................................25

5.2路基设计类型与要求............................................................................................................................26

5.3路基防护................................................................................................................................................28

第六章 路面设计 30

6.1交通分析 30

6.2结构组合与材料选取 33

6.3土基回弹模量的确定 33

6.4设计指标的确定（软件计算） 33

6.5确定设计层厚度 34

6.6水泥路面计算 38

第七章 排水设计................................................................................................................................................44

7.1路基路面排水设计的一般原则............................................................................................................44

7.2路基排水设备的构造与布置................................................................................................................45

7.3路面排水设计........................................................................................................................................46

7.4中央分隔带排水....................................................................................................................................47

小结......................................................................................................................................................................48

参考文献..............................................................................................................................................................49

致谢 50

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