環(huán)形交叉口信號(hào)燈聯(lián)動(dòng)設(shè)計(jì)

1.4萬(wàn)字
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目錄
第一章緒論 1
1.1研究的背景和意義 1
1.1.1研究的背景 1
1.1.2研究的意義 2
1.2環(huán)形交叉口的發(fā)展?fàn)顩r 2
1.2.1國(guó)外發(fā)展概述 2
1.2.2國(guó)內(nèi)發(fā)展概述 3
1.3研究的思路和計(jì)劃 4
1.3.1研究的思路 4
1.3.2研究的內(nèi)容和計(jì)劃 5
第二章環(huán)形交叉口特點(diǎn)及普遍存在問(wèn)題分析 6
2.1環(huán)形交叉口的特點(diǎn) 6
2.1.1幾何特點(diǎn) 6
2.1.2交通流的特點(diǎn) 7
2.2無(wú)信號(hào)控制環(huán)形交叉口的交通分析 8
2.2.1無(wú)信號(hào)控制環(huán)形交叉口擁堵分析 8
2.2.2無(wú)信號(hào)控制環(huán)形交叉口沖突特性分析 8
第三章夢(mèng)溪廣場(chǎng)環(huán)形交叉口現(xiàn)狀介紹和擁堵問(wèn)題分析 10
3.1夢(mèng)溪廣場(chǎng)環(huán)形交叉口物理特性分析 10
3.1.1夢(mèng)溪廣場(chǎng)環(huán)形交叉口的地理位置 10
3.1.2夢(mèng)溪廣場(chǎng)環(huán)形交叉口物理特性 10
3.2夢(mèng)溪廣場(chǎng)環(huán)形交叉口擁堵情況調(diào)查說(shuō)明 11
3.2.1入口處擁堵情況 11
3.2.2環(huán)道擁堵情況說(shuō)明 11
3.3夢(mèng)溪廣場(chǎng)環(huán)形交叉口交通數(shù)據(jù)采集 11
3.3.1交通量統(tǒng)計(jì) 12
3.3.2交通量分析..................................................15
第四章環(huán)形交叉口優(yōu)化方案 16
4.1常見(jiàn)環(huán)形交叉口優(yōu)化方案 16
4.1.1環(huán)形交叉口優(yōu)化方案說(shuō)明 16
4.1.2優(yōu)化方案比較 17
4.1.3選擇夢(mèng)溪廣場(chǎng)優(yōu)化方案 17
4.2空間優(yōu)化設(shè)計(jì) 17
4.2.1車道設(shè)計(jì) 18
4.2.2停車線和導(dǎo)流線設(shè)計(jì) 20
4.2.3信號(hào)燈設(shè)計(jì) 20
4.3.1相位控制（四相位控制） 20
4.3.2信號(hào)燈配時(shí)計(jì)算 21
4.4夢(mèng)溪廣場(chǎng)環(huán)形交叉口優(yōu)化設(shè)計(jì)評(píng)價(jià) 25
4.4.1優(yōu)化前后交叉口設(shè)計(jì)圖對(duì)比 25
4.4.2優(yōu)化設(shè)計(jì)評(píng)價(jià)................................................27
第五章結(jié)論與展望 29
5.1本論文研究的主要結(jié)論 29
5.2有待進(jìn)一步研究的問(wèn)題 29
致謝.....................................................31
參考文獻(xiàn) 32



摘要：環(huán)形交叉口在城市道路交通發(fā)展史上曾經(jīng)發(fā)揮了重要作用。然而,隨著經(jīng)濟(jì)發(fā)展和人民生活水平的提高，汽車保有量大幅度增加，城市道路交通需求量也不斷增加,環(huán)形交叉通行效率嚴(yán)重降低。為了腀@浞值睦沒(méi)沸謂徊嬋詰淖試?，提高环兄^徊嬋詰耐ㄐ心芰ΑＭǔ５撓嘔絞接辛街炙悸罰閡恢質(zhì)墻返杭右孕藕趴刂�,另外一種是拆除環(huán)島改建為常規(guī)平面信號(hào)交叉口。
對(duì)現(xiàn)存的環(huán)形交叉口而言,隨著交通壓力的增大,究竟該采取什么方法解決交通擁擠和阻塞是急需考慮和解決的問(wèn)題。對(duì)待具體情況具體分析才是正確合理解決環(huán)形交叉口問(wèn)題的有效途徑。本文首先分析了環(huán)形交叉口的特點(diǎn)和普遍存在的問(wèn)題，對(duì)常見(jiàn)的環(huán)形交叉口優(yōu)化方案進(jìn)行各方面的比較。然后在之前理論的基礎(chǔ)上，以鎮(zhèn)江夢(mèng)溪廣場(chǎng)環(huán)形交叉口為實(shí)例進(jìn)行優(yōu)化改善，將理論用于實(shí)際。在對(duì)夢(mèng)溪廣場(chǎng)環(huán)形交叉口進(jìn)行實(shí)際觀察、交通量調(diào)查，數(shù)據(jù)處理、分析后，得出最經(jīng)濟(jì)、可行的優(yōu)化方案——增加信號(hào)燈控制（左轉(zhuǎn)兩步停車控制）。最后并對(duì)優(yōu)化后的效果進(jìn)行了評(píng)價(jià)。
關(guān)鍵字:環(huán)形交叉口；通行能力；交通擁堵；環(huán)島信號(hào)控制；左轉(zhuǎn)兩步停車控制



The Lights Linkage Design on Roundabout——Take MengXi Square as an Example
Abstrat： Roundabout has played an important role in history of urban transport development。However, with the development of the economic and people's living standards to improve, a significant increase in car ownership, urban road traffic demand will continue to increase ，the efficiency of traffic roundabout severely reduced. There are usually two ways to optimize the roundaboout: One is to change the island to signal control, the other one is to removal the island into a conventional signalized intersection.
Roundabout on the existing terms, with the increasing traffic pressure, what exactly the solution to traffic congestion and congestion is an urgent problem need to be considered and resolved. An effective way to treat specific conditions is a reasonable solution to correct the problem of roundabouts. First this paper analyzes the characteristics of roundabouts and widespread problem, compare all aspects of the common optimization program on roundabout。Then on the basis of prior theory，improve and optimize the roundabout in the example of MengXi Square of ZhenJiang , Use the theory for the practice.By the actual observations, traffic surveys, data processing, analysis of the Roundabout in MengXi Square, finding the most economical and feasible optimization program——Increased signal control (left two step signal control). Finally, it eva luated the effect of optimization.
Keywords: roundabout; capacity;traffic congestion; roundabout signal control; left two step signal control