非控制出入一级公路升级为高速公路设计技术要点

Technical Points of Design for Upgrading of Uncontrolled Access First-class Highway to Expressway

结合二广高速公路东卷段改扩建设计,分别从路线、路基路面、桥梁涵洞、沿线设施及保通方案几方面,介绍了改扩建设计前需开展的测量、调查、检测、试验、评价等工作,阐述了设计方案、技术要点及注意事项。

In combination with the reconstruction and expansion design of the section of Dongyue Temple to Juanqiao of Erlianhaote-Guangzhou expressway,the surveying,investigation,detection,test,evaluation and other works that need to be carried out before the reconstruction and expansion design are introduced respectively from the aspects of route,subgrade pavement,bridge and culvert,roadside facilities and traffic maintaining scheme,and the technical points and matters needing attention of the design scheme are elaborated.