京港澳高速公路路基加宽拼接设计

京港澳高速公路是南北向国道主干线重要的一段，改扩建工程与沿线经济发展息息相关，各级政府给予了高度的重视，选择合理的实施方案是改扩建工程能否顺利实施的基本保障。介绍了新旧路基加宽拼接设计方案，供类似工程参考。

Roadbed Splicing Widening Design of Jinggangao Expressway

Jinggangao expressway is one of the major sections of north - south national trunk roads. As renovation and expansion project is closely related to economic development, the governments at all levels have given a high degree of attention. To choose a reasonable embodiment is the basic guarantee of renovation and expansion project. This paper introduces the design project of new and used roadbed splicing widening, which will offer reference to similar proiects.