莱阳至海阳二级公路初步设计毕业设计.doc

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+
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+。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,并严格按照规范标准设计。线形设计部分,充分考虑了地形地质、安全、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合适的标高、各坡段的纵坡度和坡长,并设计竖曲线;在横断面设计部分综合考虑公路等级、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。在路基设计部分选择合理的路堤填料与压实标准;在挡土墙设计部分,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安全性;在公路排水及防护工程部分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,对该路段部分边坡采用草皮护坡以及窗式护面墙等进行防护;在路面结构设计部分,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
ABSTRACT
This design studies the second-class highway from Haiyang, Shandong to Laiyang which covers K0 + 000 ~ K1 + , including: graphic design, alignment design, cross-sectional design, roadbed design, retaining wall design, road drainage as well as protective engineering and pavement structure design. The design is in strict accordance with the code standard and consults related references. The factors of topography, geology, safety, environmental protection, land use, construction condition and economics were taken into consideration in linear desin; in the lignment design, according to the road grade, natural conditions and control elevation of structure, the design determines the appropriate elevation, the longitudinal slope and slope length of each slope section, and designs vertical curve; in the part of cross-sectional design, the design considers highway grade, driving requirements, natural geological condition, the construction method, and local farmland construction in order to guarantee the stability of roadbed and drainage. In the roadbed design part we should select reasonable embankment packing pacted standards; in the part of retaining wall design, the designer uses a gravity retaining wall and sloping base and the economy and safety of retaining wall are taken in account; in the design of highway drainage and protective engineering, in view of the factors of local geology condition, l