【摘要】 深圳市机荷—惠盐高速受交通及建设条件限制采用立体改扩建模式,为保障主线交通的顺畅通行、减少转换交通的功能混杂,创新研究了双层横断面下功能选配型的交通组织模式。首先基于既有研究分析机荷—惠盐高速的主线、节点的现状及规划交通量及特种结构,总结其交通特征混杂潜在的问题;然后分析国内外类似立体高速案例,并总结交通组织对高速交通功能的影响;最后从不同功能角度出发对机荷—惠盐提出了多种交通组织模式,结合Transcad 模型软件的仿真校核结果,综合功能定位、实施难度等因素得出合理的交通组织模式。更多还原

【Abstract】 Restricted by traffic and engineering conditions,Shenzhen Jihe-Huiyan expressway adopts the three-dimensional reconstruction and expansion mode.To ensure the efficiency of the main line traffic and reduce the weaving of the interchange traffic,a function matching traffic organization model under the two-layer cross section was innovatively studied.First,based on the existing research,and analysis of the status and prediction traffic flow and traffic characteristics of the Jihe-Huiyan Expressway,this research summarizes the potential problems of mixed traffic characteristics.Then analyze similar cases of three-dimensional expressway,and summarize the impact of traffic organization on the traffic.Finally,a variety of traffic organization modes are proposed for Jihe-Huiyan from different functional angles.Combined with the simulation results of the transcad predition model,comprehensive function positioning,engineering difficulty and other factors are used to obtain a reasonable traffic organization mode.更多还原