本文選題：多路交叉口　切入點：交通治理　出處：《長安大學》2015年碩士論文

【摘要】：在老城區(qū)或是中小城市中存在相當多數(shù)量的多路交叉口。多路交叉口的交通特性與常規(guī)交叉口存在許多不同,現(xiàn)有的許多適用于常規(guī)交叉口的治理方法,不能直接套用到多路交叉口的治理之中。若不能對這些多路交叉口進行合理的治理,不僅降低該多路交叉口的服務水平,存在安全隱患,還會影響整個路網(wǎng)的交通狀況。本文研究的內(nèi)容是基于對多路交叉口的交通特征深入研究的前提下,提出一套針對多路交叉口的渠化和控制相適應的方法,最后通過實例,將方法運用,尋求更有力的治理方法。本文首先對多路交叉口的定義及交通特征進行探討,接著對多路交叉口的交通特征及現(xiàn)狀存在的問題進行研究和分析,并提出多路交叉口幾何條件改善方法和渠化與控制設計步驟。再從車道功能劃分、進出口設計、交叉口內(nèi)部渠化和行人交通組織四個方面對平面交叉口渠化方法作了歸納總結(jié)。根據(jù)多路交叉口的幾何特征和交通問題,提出三種針對多路交叉口的渠化思路和方法,并提出各渠化方法的優(yōu)缺點和適用范圍。接著對平面交叉口控制方式和方式的選擇方面進行研究,明確了平面交叉口信號控制參數(shù)的確定方法。在此基礎上,結(jié)合適用于多路交叉口的渠化方法,本文提出了與渠化方法相適應的控制方法,并對各類控制方法的適用條件作了分析。最后,本文將以臺州市一個五路交叉口為例,將本文提出的三種渠化和控制方法運用到多路交叉口的改善中,用軟件VISSIM建模仿真渠化和控制之后的多路交叉口運行狀況,得出排隊長度和車輛延誤情況,并計算出交叉口的通行能力和飽和度,對各評價指標進行分析和比較,得出對于該實例中的最佳方案。
[Abstract]:There are quite a number of multiple intersections in old urban areas or small and medium-sized cities.There are many differences between the traffic characteristics of multiple intersections and those of conventional intersections. Many existing treatment methods suitable for conventional intersections can not be directly applied to the treatment of multiple intersections.If these intersections can not be properly treated, not only the service level of the multi-way intersections can be reduced, there are hidden dangers of safety, but also the traffic situation of the whole road network will be affected.The content of this paper is based on the in-depth study of the traffic characteristics of multi-way intersections, a set of suitable methods for channelization and control of multi-way intersections are put forward. Finally, through an example, the method is applied.Look for more effective governance methods.In this paper, we first discuss the definition and traffic characteristics of multi-road intersections, and then study and analyze the traffic characteristics of multi-way intersections and the problems existing in the present situation.The method of geometric condition improvement and the design steps of channelization and control are presented.The methods of lane function division, design of entrance and exit, intersections' inner canal and pedestrian traffic organization are summarized.According to the geometric characteristics and traffic problems of multi-way intersections, this paper puts forward three ways of thinking and methods for channelization of multi-way intersections, and puts forward the advantages and disadvantages and the applicable scope of each method of channelization.Secondly, the paper studies the choice of the control mode and mode of the intersection, and defines the method of determining the control parameters of the signal at the intersection.On this basis, combined with the method of channelization suitable for multi-way intersection, this paper puts forward a control method suitable to the method of channelization, and analyzes the applicable conditions of various control methods.Finally, taking a five-way intersection in Taizhou as an example, the paper applies the three methods of channelization and control to the improvement of multi-way intersections, and uses software VISSIM to model and simulate the operation status of multi-way intersections after channelization and control.The queue length and vehicle delay are obtained, and the capacity and saturation of intersection are calculated. The evaluation indexes are analyzed and compared, and the best scheme for this example is obtained.
【學位授予單位】：長安大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：U491.23

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本文編號：1712221