本文關(guān)鍵詞： 交叉口 交通沖突 渠化 信號(hào)配時(shí) 優(yōu)化　出處：《吉林大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：近年來(lái)，機(jī)動(dòng)車數(shù)量的不斷增長(zhǎng)帶給道路運(yùn)行的交通壓力越來(lái)越大。交叉路口是整個(gè)城市道路交通的瓶頸地帶，在城市交通中處于核心位置，往往制約整條道路乃至路網(wǎng)的服務(wù)水平。各種交通流體（包括機(jī)動(dòng)車、非機(jī)動(dòng)車和行人等）在平面交叉口處的不斷分流、合流和交叉，導(dǎo)致了各種交通沖突和事故的發(fā)生，從而使交通狀況愈加復(fù)雜，因此提高交叉口的通行效率便成為緩解交通擁堵和交通緊張的重要舉措，交叉口設(shè)置的合理與否對(duì)整個(gè)交通路網(wǎng)的暢通起著直接而關(guān)鍵的影響。從小的層面講，城市道路交叉口影響著人們的出行效率和出行體驗(yàn)；從大的層面講，它關(guān)系到土地資源的合理利用、環(huán)境污染的改善乃至國(guó)民經(jīng)濟(jì)和社會(huì)經(jīng)濟(jì)效益的提高。因此對(duì)城市道路交叉口進(jìn)行優(yōu)化改善、提高交叉口的通行能力是極其重要的。 本文在分析交叉口交通運(yùn)行特性及交叉口沖突機(jī)理的基礎(chǔ)上，參考國(guó)內(nèi)外眾多學(xué)者的研究成果，從沖突分析角度對(duì)城市道路平面信號(hào)交叉口渠化與配時(shí)兩方面進(jìn)行較為全面的分析和研究，力求能夠優(yōu)化和改善城市道路交叉口交通擁堵問(wèn)題，提高人們的出行效率，提升人們的出行品質(zhì)。 論文從交通沖突的角度進(jìn)行分析，構(gòu)建了交通沖突度模型，，并劃分了交通沖突度等級(jí)。在信號(hào)交叉口渠化方面，論文歸納總結(jié)了交叉口渠化方法，包括左轉(zhuǎn)車道的設(shè)置、右轉(zhuǎn)車道的設(shè)置、非機(jī)動(dòng)車與行人過(guò)街渠化設(shè)置及交通渠化島、導(dǎo)流線四個(gè)方面，并針對(duì)每種渠化方法進(jìn)行沖突分析；在信號(hào)交叉口配時(shí)方面，論文選取信號(hào)周期、綠燈時(shí)間間隔、最短綠燈時(shí)間和有效綠燈時(shí)間進(jìn)行優(yōu)化。最后論文結(jié)合具體實(shí)例進(jìn)行研究，提出了相應(yīng)的交叉口改善措施，并進(jìn)行交通仿真評(píng)價(jià)。
[Abstract]:In recent years, the increasing number of motor vehicles has brought more and more traffic pressure on the road. Intersection is the bottleneck zone of the whole urban road traffic, and it is the core position in the urban traffic. It often restricts the service level of the whole road and even the road network. All kinds of traffic fluid (including motor vehicles, non-motor vehicles and pedestrians) are constantly diverting, converging and crossing at intersections. It leads to a variety of traffic conflicts and accidents, which makes the traffic situation more complex. Therefore, improving the traffic efficiency of intersection becomes an important measure to alleviate traffic congestion and traffic tension. Whether the intersections are reasonable or not has a direct and critical impact on the smooth flow of the whole traffic network. From a small level, urban road intersections affect people's travel efficiency and travel experience. From the large level, it is related to the rational use of land resources, the improvement of environmental pollution and even the improvement of national economy and social economic benefits. It is extremely important to improve the capacity of intersections. Based on the analysis of traffic characteristics and conflict mechanism of intersections, this paper refers to the research results of many scholars at home and abroad. In order to optimize and improve the traffic congestion problem of urban road intersections, the paper makes a comprehensive analysis and research on the channelization and timing of urban road signalized intersections from the perspective of conflict analysis. Improve people's travel efficiency, improve people's travel quality. From the point of view of traffic conflict, the paper constructs a traffic conflict degree model, and divides the traffic conflict degree grade. In the aspect of signalized intersection, the paper summarizes the method of traffic conflict degree. It includes the setting of left turning lane, the setting of right turning lane, the setting of non-motorized vehicle and pedestrian crossing the street, the traffic channelization island, the diversion line, and carries on the conflict analysis to each kind of channelization method; In the aspect of signal intersection timing, the paper selects signal cycle, green time interval, shortest green time and effective green time to optimize. The corresponding improvement measures are put forward and traffic simulation evaluation is carried out.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：U491.23

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