大雨时高速公路隧道路段车辆延误成因分析
PDF下载 (42)陈 施,胡嶙峋,祝会兵,陈 磊.大雨时高速公路隧道路段车辆延误成因分析[J].宁波大学学报(理工版),2026,39(2):103-112.DOI:10.20098/j.cnki.1001-5132.2026.0102
CHEN Shi,HU Linxun,ZHU Huibing,CHEN Lei.Cause analyses of vehicles’ delay in tunnel section of highway during heavy rain[J].Journal of Ningbo University(Natural Science & Engineering Edition),2026,39(2):103-112.DOI:10.20098/j.cnki.1001-5132.2026.0102
| Title: | Cause analyses of vehicles’ delay in tunnel section of highway during heavy rain |
| 作者: | 陈 施, 胡嶙峋, 祝会兵, 陈 磊 |
| Author(s): | CHEN Shi, HU Linxun, ZHU Huibing, CHEN Lei |
| 关键词: | 大雨; 高速公路隧道路段; 车辆延误; 交通流模型; 元胞自动机; vehicles’ delay |
| Keywords: | heavy rain; tunnel section of highway; traffic model; cellular automaton |
| 分类号: | U491 |
| DOI: | 10.20098/j.cnki.1001-5132.2026.0102 |
| 文献标识码: | A |
| 摘要: | 利用交通视频提取雨天高速公路车辆的行驶特征，结合隧道路段交通流的固有特点，构建适用于大雨环境下隧道路段的元胞自动机交通流模型。将模拟得到的流量、速度与实测数据进行对比，两者吻合度较高。进而分析大雨与正常天气时隧道路段车速随车辆密度的变化趋势，结果表明，当密度ρ<0.4时，大雨天气下隧道路段的车速普遍下降，隧道入口前和出口前，车速下降至更低值，且隧道内部左车道更容易发生交通拥堵。通过计算车辆延误比，分析大雨天气下隧道路段车辆延误的深层原因，研究结果有望为雨天高速公路隧道路段交通管控和运营优化提供理论指导。 |
| Abstract: | By extracting vehicles’ driving characteristics on highways during heavy rain from traffic videos, a cellular automaton traffic model suitable for tunnel section of highway under heavy rain is proposed, in which the particular properties of traffic flow in the tunnel section are taken into account. Through numerical simulation, the obtained traffic flows and speeds are compared with the measured data, resulting with good agreements. By analyzing the variance trend of vehicles’ speeds with vehicles densities under two situations, i.e., heavy rain and normal weather, it is demonstrated that when the density is ρ<0.4, vehicles’ speeds in the tunnel section are lower during heavy rain, and vehicles’ speeds decrease to lower values before the tunnel entrance and exit. Furthermore, traffic congestions are more prone to occur in the left lane inside the tunnel. Besides, the underlying causes of vehicles’ delay during heavy rain are analyzed by calculating the delay time proportion of vehicles. The research results are expected to provide theoretical guidance for traffic management and operational optimization on the highway with tunnel sections during heavy rain. |
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| 备注/Memo: | 收稿日期：2026-01-02 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ 基金项目：宁波市自然科学基金（2023J086） 第一作者：陈 施，硕士研究生，主要研究方向为交通流建模与交通优化。E-mail: naomie_na@163.com *通信作者：祝会兵，教授，主要研究方向为交通流建模与交通优化。E-mail: zhuhuibing@nbn.edu.com 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
