高速公路新增枢纽互通方案设计研究

随着国家经济的高速发展,高速公路网逐步完善,枢纽互通与服务互通之间的冲突逐渐增多.鉴于此,以港区枢纽互通为例,结合交通量分析及地形地物的限制,通过研究高速公路在路网中的作用,合理选择互通立交形式,有效避免了复合互通的布设,降低了造价,节约了占地,可为类似互通设计提供参考.

Scheme Design of New Hub Interchange of Expressway

With the rapid development of the national economy, the expressway facility has got continued perfection, thus resulting in the increasing number of conflicts between system interchange and service inter-change. With the analysis of traffic volume and the limitation of terrain and feature, this paper takes the hub in-terchange in aeronautical district as an example, gives a reference for the similar interchange designations. The thesis holds that the interchange type should be chosen reasonably according to the function of the expressway in the road network, so as to effectively avoid the layout of the composite interchange, reduce construction cost and lower the land occupation.