钦防高速公路改扩建工程中的关键技术研究

Research on key technologies in the reconstruction and expansion project of Qinfang Expressway

文章以兰海高速广西南宁经钦州至防城港改扩建工程(钦防段)为例,阐述了在道路加宽方案、公路用地、路基拼宽、路面结构方案、立交改造、交通导改等方面的相关经验,对以后的改扩建工程具有重要的参考意义。

The article takes the Lanhai Expressway Nanning, Guangxi via Qinzhou to Fangchenggang Reconstruction and Expansion Project(Qinfang Section) as an example, expounds the road widening plan, highway land, subgrade widening, pavement structure plan, overpass reconstruction, traffic guidance and other aspects. Relevant experience has important reference significance for future reconstruction and expansion projects.