济南市二环西路南延高架桥总体设计

Oerall Design of Jinnan No.2 Ring West Road Viaduct

济南市二环西路是济南西部主城区主要的南北通道,也是济南市规划的“三横六纵”快速路系统的重要组成部分,在既有二环西路北段高架桥基础上,继续南延至绕城高速南线。本项目同步建设高架桥快速路和地面道路及BRT系统。分析了济南市二环西路南延高架桥总体设计情况,重点介绍了道路横断面布置、互通立交设计、与铁路交叉节点的处理、桥梁设计特点及高架桥出、入口布置等关键问题,为类似项目建设提供参考。

Jinnan No.2 Ring West Road is the main north-south passageway of the main urban area in the western part of Jinan City.It is also an important part of the"three horizontal and six vertical"expressway system planned by Jinan City.On the basis of the existing viaduct in the north section of the Second Ring West Road,it will continue to extend south to the south of the high-speed railway around the city.Simultaneous construction of viaduct expressway and ground road and BRT system.This paper analyses the overall design of Nanyan Viaduct of Second Ring West Road in Jinan City.The key problems of road cross-section layout,interchange design,treatment of railway cross-section joints,bridge design characteristics and elevated bridge exit and entrance layout are mainly introduced,which can provide useful reference for similar projects.