高速公路市政化改造主辅路断面设计分析

Analysis on Cross-section Design of Main and Auxiliary Roads in Municipal Transformation of Highway

随着我国经济的快速发展和大城市主体地位的日益凸显,大城市规模扩张速度加快,部分高速公路位于城市开发边界范围内,已出现交通拥堵、地块割裂、用地浪费、景观效果差等问题,阻碍了城市发展,因此高速公路市政化改造势在必行。基于此情况,本文总结了高速公路市政化改造的五大思路,分析了高速公路市政化改造标准横断面拟定需要考虑的因素,并以石家庄市复兴大街市政化改造工程为例,进行了现状道路横断面分析、规划分析,拟定了主路断面、辅路断面、主辅分隔带宽度,确定了复兴大街市政化改造整体横断面形式,对隧道路段横断面做了方案对比分析,提出了高速公路市政化改造主辅路断面设计要点。

With the rapid development of our country's economy and the increasingly prominent dominant position of large cities,the expansion of large cities has accelerated,and some highways are located within the boundaries of urban development,which has caused problems such as traffic congestion,fragmented land,waste of land,and poor landscape effects.It hinders urban development,so the municipal transformation of highway is imperative.Based on this situation,this paper analyzed the cross-section design of main and auxiliary roads in the process of municipal transformation of highway.Firstly,this paper summarized the five major ideas of highway municipal transformation,then analyzed the factors that need to be considered in drawing up the standard cross-section of highway municipal transformation,and then took the municipal transformation project of Fuxing Street in Shijiazhuang as an example to carry out the current road cross-section analysis and planning analysis,drawing up the main road section,auxiliary road section,and the width of the main and auxiliary separation strips,determining the overall cross-sectional form of the municipal transformation of Fuxing Street,and making a comparative analysis of the tunnel section cross-section.Finally,the key points of cross-section design of main and auxiliary roads in municipal transformation of highway are summarized,which provides reference for similar projects in the future.