交通运输系统工程与信息
交通運輸繫統工程與信息
교통운수계통공정여신식
Journal of Transportation Systems Engineering and Information Technology
2015年
5期
208-215
,共8页
交通工程%城市无信号控制T型交叉口%通行能力%间隙接受理论%概率论%当量人群%优先等级
交通工程%城市無信號控製T型交扠口%通行能力%間隙接受理論%概率論%噹量人群%優先等級
교통공정%성시무신호공제T형교차구%통행능력%간극접수이론%개솔론%당량인군%우선등급
traffic engineering%urban road unsignalized T-intersection%capacity%gap acceptance theory%probability theory%equivalent people group%priority ranks
以当量人群描述非机动车和行人对机动车通行的共同影响,对城市无信号控制T型交叉口的交通流运行优先等级进行重新划分,共划分为5级.将主路直行车流和横穿支路的当量人群流作为独立优先流,应用间隙接受理论,研究了各次级交通流的可能通行能力计算方法.考虑高等级次级交通流及横穿主路的当量人群流的影响,采用概率论方法研究了各次级交通流的可能通行能力修正系数,从而得到各次级交通流的实际通行能力计算模型,进而得到整个无信号控制T型交叉口的通行能力计算方法.结果表明,以当量人群描述非机动车和行人对机动车通行的共同影响计算过程简单,符合我国城市道路交叉口非机动车和行人多的实际情况.
以噹量人群描述非機動車和行人對機動車通行的共同影響,對城市無信號控製T型交扠口的交通流運行優先等級進行重新劃分,共劃分為5級.將主路直行車流和橫穿支路的噹量人群流作為獨立優先流,應用間隙接受理論,研究瞭各次級交通流的可能通行能力計算方法.攷慮高等級次級交通流及橫穿主路的噹量人群流的影響,採用概率論方法研究瞭各次級交通流的可能通行能力脩正繫數,從而得到各次級交通流的實際通行能力計算模型,進而得到整箇無信號控製T型交扠口的通行能力計算方法.結果錶明,以噹量人群描述非機動車和行人對機動車通行的共同影響計算過程簡單,符閤我國城市道路交扠口非機動車和行人多的實際情況.
이당량인군묘술비궤동차화행인대궤동차통행적공동영향,대성시무신호공제T형교차구적교통류운행우선등급진행중신화분,공화분위5급.장주로직행차류화횡천지로적당량인군류작위독립우선류,응용간극접수이론,연구료각차급교통류적가능통행능력계산방법.고필고등급차급교통류급횡천주로적당량인군류적영향,채용개솔론방법연구료각차급교통류적가능통행능력수정계수,종이득도각차급교통류적실제통행능력계산모형,진이득도정개무신호공제T형교차구적통행능력계산방법.결과표명,이당량인군묘술비궤동차화행인대궤동차통행적공동영향계산과정간단,부합아국성시도로교차구비궤동차화행인다적실제정황.
Taking the joint influence of non-motorized vehicles and pedestrians on motor vehicles into account, the priority of traffic flows is divided into 5 ranks. Let major-road through traffic flows and equivalent people groups crossing the minor road be independent priority streams, this paper studies the potential capacity of each minor stream by gap acceptance theory. Considering the effects of higher-rank minor-stream vehicles and equivalent people groups crossing the major road on lower-rank minor-stream vehicles, the paper studies the potential-capacity adjustment factors of each minor stream applying probability theory, and the movement capacity of each minor stream is obtained. So the capacity calculation method of urban road unsignalized T-intersections is acquired. The results indicate that analyzing the joint influence of non-motorized vehicles and pedestrians on motor vehicles by equivalent people groups can simplify the capacity calculation process, and the capacity calculation results is also accord with the running conditions of T-intersections with more non-motorized vehicles and pedestrians.
