非机动车和行人影响下的标志控制交叉口通行能力研究

发布时间：2018-05-06 08:52

本文选题：无信号交叉口 + 标志控制交叉口　；参考：《吉林大学》2014年硕士论文

【摘要】：无信号控制交叉口是各个方向的车流相交汇之处，对整个城市道路网的运作产生很大的影响。因为车流的转向会引起机动车，非机动车和行人之间的冲突，混合交通比较严重，造成了交叉口处复杂的局面。无信号交叉口混合交通流的相互影响及对交叉口通行能力的影响成为城市道路网研究的难点。国内外交通工作者研究主路优先交叉口通行能力时，很少考虑到行人和非机动车对机动车产生的影响，通行能力的计算存在不符合实际的问题。论文基于我国城市道路网交通条件及交叉口处混合交通现象明显的现状，结合现有研究方法的不足，综合考虑行人和非机动车对机动车的影响，提出当量人群流的概念，并对各向机动车流，当量人群流在交叉口处产生的冲突点进行详细划分，引入冲突技术法进行分析确定交通流优先等级，提出横穿主支路过街的当量人群流的优先等级关系，，分别建立各向机动车流通过交叉口时产生的多个冲突点处通行能力计算模型，同时设计了主路和支路右转车流不受当量人群流影响和受当量人群流影响时通行能力的计算公式。最后，以462型交叉口为例，通过实例分析，给出了模型中各参数的建议值，并验证了模型的有效性。在分析中考虑了当量人群流的影响，相比于一般的忽略我国交叉口混合交通流复杂现状的计算方法，该方法更符合城市道路交叉口的实际情况，具有更高的理论意义和实用价值。
[Abstract]:Unsignalized intersection is the intersection of traffic flow in all directions, which has a great influence on the operation of the whole urban road network. Because of the conflict between vehicle, non-motor vehicle and pedestrian caused by the turning of the traffic flow, the mixed traffic is serious, resulting in the complex situation at the intersection. The interaction of mixed traffic flow at unsignalized intersections and its influence on the capacity of intersections have become the difficulties in the study of urban road network. When the traffic workers at home and abroad study the capacity of priority intersections of main roads, the influence of pedestrians and non-motor vehicles on motor vehicles is seldom taken into account, and the calculation of traffic capacity does not accord with the actual problems. Based on the traffic conditions of urban road network in China and the obvious situation of mixed traffic at intersections, combined with the deficiency of existing research methods, this paper puts forward the concept of equivalent crowd flow by considering the influence of pedestrians and non-motor vehicles on motor vehicles. At the same time, the conflict points produced by vehicle flow and equivalent crowd flow in each direction are divided in detail. The conflict technique is introduced to analyze and determine the priority grade of traffic flow, and the priority grade relationship of equivalent crowd flow across the main branch road is put forward. The calculation models of traffic capacity at several conflict points are established respectively when the vehicle flow in each direction passes through the intersection. At the same time, the formulas for calculating the capacity of the right-turn traffic on the main road and the branch road without the influence of the equivalent crowd flow and the influence of the equivalent crowd flow are designed. Finally, taking the 462 intersection as an example, the suggested values of each parameter in the model are given through an example analysis, and the validity of the model is verified. The effect of equivalent crowd flow is considered in the analysis. Compared with the general calculation method which ignores the complex situation of the mixed traffic flow at intersections in our country, the method is more suitable for the actual situation of urban road intersections. It has higher theoretical significance and practical value.
【学位授予单位】：吉林大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U491.23

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