数码广场北外侧车道出口车速调查和分析.docVIP

PAGE  PAGE 14 数码广场北外侧车道出口车速调查与分析 摘要:随着经济的迅速发展，城市汽车拥有量不断增加，给城市交通带来了很大的压力，城市中不同程度地出现了交通拥堵现象, 为了缓解城市交通拥挤，而交叉口是交通流顺利运行的关键，因此正确处理交叉口是关键。大连数码广场是一个典型的环形交叉口，出现了同样的情况，是交通拥堵比较严重的地区。以大连市数码广场北外侧车道出口地点车速为例,使用人工测速法调查了地点车速,并对车速资料的整理及数据结果统计分布分析, 建立平均地点车速,得出车辆离开出口时车速参数的运行规律,得出城市单点环岛交叉口交通特性 . 关键词:交通工程 地点车速 交通分析 人工测速法 Abstract: with the rapid development of economy, city car has a quantity to increase ceaselessly, to the city traffic has brought great pressure, the city is different level land appeared the phenomenon of traffic jams, in order to ease city traffic congestion, and the intersection is a traffic flow smooth operation of the key, therefore the correct processing of intersection is the key. Dalian Digital Plaza is a typical roundabout, appeared the same situation is more serious traffic jams in the region. In Dalian City digital public square north side lane exit sites of vehicle as an example, the use of artificial velocimetry investigation spot speed and the speed of data collation and data statistic distribution analysis, establish the average location speed, the vehicle leaves the outlet when the speed parameters of the operation of the law, the city single roundabout intersection traffic characteristics. Key words : traffic engineering spot speed traffic analysis of artificial method of velocity measurement 目录  TOC \o 1-3 \h \z \u  HYPERLINK \l _Toc297804075 一、地点车速定义与调查目的 1  HYPERLINK \l _Toc297804076 二、实验内容和原理 2  HYPERLINK \l _Toc297804077 1.调查地点与时间的选择 2  HYPERLINK \l _Toc297804078 2.调查抽样于样本量的确定 2  HYPERLINK \l _Toc297804079 三、地点车速的调查方法 3  HYPERLINK \l _Toc297804080 四、环型交叉口简介 3  HYPERLINK \l _Toc297804081 五、实验步骤 4  HYPERLINK \l _Toc297804082 1.调查地点与调查时间均应根据调查目的进行选择。 4  HYPERLINK \l _Toc297804083 2.调查抽样于样本量的确定 4  HYPERLINK \l _Toc297804084 3.人工测定法 5  HYPERLINK \l _Toc297804085 六、实验结果及分析 5  HYPERLINK \l _Toc297804086 1.地点车速频率分布表、绘制速度频率直方图、累积频率分布曲线及对应调查地点15％，50％，85％位车速和速度散点图。 5  HYPE