摘 要本设计根据既定的资料,通过对带状地形图的分析,根据广州地区的地质、地形、地物、水文等自然条件,依据《公路工程技术标准》 、《公路路线设计法律规范》等交通部给定的相关法律规范,在老师的指导和同学的帮助下完成的。本设计的主要内容是:道路线性设计和结构设计,包括正确进行道路的定线,路线平、纵横设计计算、个体工程及概算编制等内容.由此圆满完成了广州北三环二期一级公路的的初步设计。关键词:一级公路、定线、个体工程、概算编制ABSTRACTThis design according to the given data, through the analysis of topographic map, according to the Guangzhou area geology,landform,terrain,hydrology and other natural conditions, according to technical standard of Highway Engineering,specification of the highway route design,the Ministry of communications given specification , Under the guidance of the teacher and students.The main content of this design is : road linear design and structure design,including fixed line the correct road, The flat section , profile and cross section design of the route,the individual project and budget etc 。 . The successful completion of the Guangzhou North third ring road two first—class highway preliminary design。Key words: first—class highway; alignment; individual project; budget estimate making。目录摘 要..............................................................IABSTRACT ............................................................ 0 目录 ................................................................ 0 第 1 章 路线概况 ..................................................... 0 1 。 1 设计原始资料 ............................................... 0 1.2 主要技术 标准 ................................................ 0 1 。 3 可行性讨论 ................................................. 1 1 。 3 。 1 地理位置及地形地貌 ................................... 1 1 。 3 。 2 工程地质 ..........................