1、第一部分：第一部分： 设计说明书设计说明书 内容摘要内容摘要: : 根据设计公路的交通量及其使用任务和性质， 确定公路等级。 在此基础上，结合沿线自然条件与主要技术指标的应用，进行路线方案 论证与比选，确定合理的设计方案。并推荐一个最佳方案进行详细技术 设计，内容包括：路线的平、纵、横设计，路基路面设计和排水设计， 给出环境评价, 并完成施工图设计阶段应完成的各种图、表及设计说明 书。 关键字：关键字：交通量，公路等级，自然条件，技术标准，平、纵、横设计， 路基路面，排水, 环境评价 AbstractAbstract T The subject ofhe subject of thethe d
2、esign is a new highway on design is a new highway on plain in Siplain in Si chuan district.chuan district.According to the given traffic volume,According to the given traffic volume,serviceservice level and attribute of the proposed highway, the highway is dlevel and attribute of the proposed highwa
3、y, the highway is d efined as the efined as the secondsecondgrade road.With the local natural condgrade road.With the local natural cond ition and main ition and main technical standatechnical standardrd,through analysis and compar,through analysis and compar ision of several feasibleplans,the most
4、proper one of theseision of several feasibleplans,the most proper one of these i i s recommendeds recommended and and subsequentlsubsequently carry carriedied out in detail,out in detail, includiincludi ngng thethe designdesign of of alignment,suralignment,surgradegrade,pave,pave- -m ment,drainage,culverent,drainage,culver t t and bridge.and bridge. Keywords:Keywords: Traffic volume,Traffic volume, nanatural conditions,tural conditions, technical standard, technical standard, secon
