停车场建设规模对道路通行能力影响的分析

Analysis of Impact of Parking Construction Scale on Road Capacity

根据不同性质停车场进出车流规律的实际统计数据,建立了停车场高峰小时进出车流量模型;再基于交通流理论,分析了停车场出入口两种交通组织形式下进出车流对相连道路车流的影响;分别对两种进出车流影响下的道路通行能力进行了计算,得出了停车场建设规模与建成后道路通行能力的关系;运用VISSIM仿真软件对两种出入口交通组织形式进行了可视化仿真分析和仿真数据统计,验证了停车场建设规模与其对道路通行能力影响的相关性。研究表明:停车场选址、建设规模和出入口交通组织等必须考虑对道路通行能力的影响,确保城市道路交通顺畅。

It is analyzed from the size and nature of the parking lot,with the actual statistical laws of the different nature of the parking lot and out of traffic,to establish the model of in and out of rush hour traffic. Then according to traffic flow theory,analyzing the influence of in and out of traffic under the two forms of organization of parking lot,and calculating the relationship between its size and road capacity after the parking lot constructed. Finally,the use of simulation software VISSIM to do a visual simulation analysis and simulation statistics of two entrances traffic organization form,which verifies the correlation between the size of parking lot and road capacity. The result shows that parking siting,construction scale and entrances traffic organization must consider the impact on road capacity to ensure smooth traffic of city roads.