發(fā)布時(shí)間：2018-05-29 19:13

  本文選題：山地城市 + 畸形交叉口　； 參考：《重慶交通大學(xué)》2014年碩士論文

【摘要】：在山地城市中，道路的平曲線和豎曲線都比平原城市復(fù)雜，主次干道結(jié)構(gòu)不合理，路網(wǎng)中往往存在數(shù)量較多的畸形交叉口，許多適用于普通交叉口的渠化和控制方法不能直接運(yùn)用到其中，處理不當(dāng)則成為路網(wǎng)中交通事故和交通擁堵的多發(fā)點(diǎn)。本文的研究成果是在對(duì)山地城市交通特征深入研究的基礎(chǔ)上，提出的一套針對(duì)山地城市中各類畸形交叉口的渠化和控制方法。本文提出的控制方法與渠化方法有機(jī)結(jié)合，對(duì)這些方法的適用條件也作了分析。 本文首先從路網(wǎng)特征、交通流特征、居民出行特征和畸形交叉口特征四個(gè)方面細(xì)致地研究了山地城市的交通特征，根據(jù)山地城市中畸形交叉口相交道路的交叉角度、進(jìn)口道數(shù)以及交叉口進(jìn)口道的線形等因素，將山地城市畸形交叉口分為Y形交叉口、X形交叉口、H形交叉口、多路交叉口、錯(cuò)位交叉口和曲線進(jìn)口道交叉口六類。為每一類畸形交叉口作了定義，分析了各類畸形交叉口需要重點(diǎn)解決的交通問題。 從設(shè)置交通島、車道功能劃分、車道展寬設(shè)計(jì)、設(shè)置待行區(qū)域、設(shè)置路口導(dǎo)向線和左轉(zhuǎn)交通流組織六個(gè)方面對(duì)平面交叉口渠化方法作了歸納總結(jié)。根據(jù)各類山地城市畸形交叉口的幾何特征和交通問題，為每一類畸形交叉口提出了適宜的渠化方法和渠化重點(diǎn)。 對(duì)平面交叉口控制方式及其選擇進(jìn)行了研究，分析了信號(hào)控制的分類、主要參數(shù)和評(píng)價(jià)指標(biāo)。在此基礎(chǔ)上，結(jié)合適用于各類山地城市畸形交叉口的渠化方法，論文提出了適用于各類山地城市畸形交叉口的控制方法，并對(duì)各類控制方法的適用條件作了分析。 最后，，本文為每一類畸形交叉口選取典型案例，將論文提出的渠化和控制方法運(yùn)用到對(duì)各畸形交叉口的改善中，利用交叉口配時(shí)優(yōu)化軟件synchro和微觀交通仿真軟件VISSIM建模仿真，對(duì)仿真結(jié)果進(jìn)行以分析和比較，驗(yàn)證本文所提方法的適用性和有效性。
[Abstract]:In mountainous cities, the horizontal and vertical curves of roads are more complicated than those of plain cities, the structure of primary and secondary main roads is unreasonable, and there are often a large number of abnormal intersections in the road network. Many channelization and control methods suitable for common intersections can not be directly applied to them, and improper handling will become the frequent point of traffic accidents and traffic congestion in road network. Based on the in-depth study of the traffic characteristics of mountainous cities, this paper presents a set of methods for channelization and control of various deformed intersections in mountainous cities. The proposed control method is combined with the canalization method, and the applicable conditions of these methods are also analyzed. Firstly, this paper studies the traffic characteristics of mountainous cities from four aspects: road network characteristics, traffic flow characteristics, resident travel characteristics and abnormal intersection characteristics, according to the intersection angle of the abnormal intersections in mountainous cities. According to the factors such as the number of entrances and the alignment of intersections, the malformed intersections in mountainous cities are divided into six types: Y-shaped intersections, multi-path intersections, staggered intersections and curved entrance intersections. The definition of each kind of malformed intersection is given, and the traffic problems that need to be solved are analyzed. The methods of channelization at intersections are summarized from six aspects: setting up traffic island, dividing lane function, designing lane widening, setting up waiting area, setting up intersection guide line and traffic flow organization of left turn. According to the geometric characteristics and traffic problems of the deformed intersections in mountainous cities, this paper puts forward the appropriate channelization methods and key points for each kind of abnormal intersections. The control mode and selection of intersection are studied, and the classification, main parameters and evaluation indexes of signal control are analyzed. On this basis, combined with the canalization method suitable for all kinds of mountainous city malformed intersections, the paper puts forward the control methods suitable for all kinds of mountainous city malformed intersections, and analyzes the applicable conditions of all kinds of control methods. Finally, this paper selects typical cases for each kind of malformed intersection, applies the canal and control methods proposed in the paper to the improvement of each abnormal intersection, and uses the intersection timing optimization software synchro and the microscopic traffic simulation software VISSIM to model and simulate. The simulation results are analyzed and compared to verify the applicability and effectiveness of the proposed method.
【學(xué)位授予單位】：重慶交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：U491.23

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本文編號(hào)：1952067