天津市城市快速路互通立交通行能力分析

城市快速路互通立交通行能力在现行的规范、规程中缺乏相应的分析、计算方法。为了寻求其可行的分析、计算方法,合理确定互通立交的规模和形式,以天津市快速路典型互通立交为例,采集大量数据,利用数理统计方法,分析互通立交各组成部分的交通特性。通过实测数据的标定,建立互通立交仿真实验平台,得到天津市快速路互通立交基本路段,分、合流区,交织区,各类型匝道的通行能力推荐值,并提出了互通立交通行能力的计算公式。最后针对如何提高互通立交的通行能力给出了设计建议。

Interchange Capacity of Urban Expressways in Tianjin

Lack of the detailed interchange capacity analysis method is a problem in the current specification of urban expressway design. In order to develop a feasible and reliable computational method to determine a proper interchange design alignment, this paper, taking typical urban expressway interchanges in Tianjin as examples, analyzes the traffic characteristics at each part of an interchange with the massive collected data. A simulation platform is developed based on the real-world data, which is used to rec...