宜昌市江城大道路线比选分析

江城大道是宜昌市中心城区“四纵五横”城市快速路网的重要组成部分,其路线选线设计为总体设计的主要控制环节,必须综合多种因素,进行多方案比选,以选择最优方案.首先,介绍了江城大道的路线布设、主要控制点及路线布设原则;其次,从全线4个路段中选取有代表性的2个路段(谭家河村路段和宜万铁路段),分别进行K线、B线、D线和K线、E线、F线的详细比选分析,总结和探讨了山岭选线、下穿高铁选线等关键性问题;最后,在体现“地形选线”“地质选线”“环保选线”“标准选线”理念的前提下,总结并确定了选线方案.

Route Comparison and Analysis of Yichang Jiangcheng Avenue

Jiangcheng Avenue is an important component in "four-vertical five-horizontal" urban expressway network of the central urban area in Yichang. Its route selection and design are the main control elements in the overall design. There must be a combination of factors to compare and select many schemes in order to achieve the best scheme. Firstly, the route layout, main control points and route layout principles of Jiangcheng Avenue are introduced. Then, two representative road sections (Tanjiahe Village and Yiwan Railway) are selected from four road sections of the whole line for respectively comparing and analyzing K Line, B Line, D Line and K Line, E Line, F Line in detail. The key problems of mountain route selection and route selection undercrossing high-speed railway line are summarized and discussed. Finally, under the premise of reflecting the idea of "terrain route selection", "geological route selection", "environmental protection route selection" and "standard route selection", the route selection scheme is summarized and determined.