| 基于可达性的机场外部路网分层规划方法 |
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| 引用本文： | 包丹文,程昊,朱婷,田诗佳,张天炫.基于可达性的机场外部路网分层规划方法[J].交通信息与安全,2021,39(3):142-151. |
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| 作者姓名： | 包丹文 程昊 朱婷 田诗佳 张天炫 |
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| 作者单位： | 1.中国民航大学机场综合交通研究所 天津 300300 |
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| 基金项目： | 中国民航大学机场综合交通研究所（智库）开放基金项目20JCZHJT-1 |
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| 摘 要： | 机场外部路网的规划影响旅客的出行效率及体验。为提升旅客出行效率与体验，在传统路网规划方法的基础上，根据机场外部路网的不同特征，引入了机场可达性理论，提出了1种机场外部路网分层规划模型。根据机场外部路网结构特征，将机场外部路网划分为机场快速道层与机场支线道层，并给出具体定义。对于机场快速道层，以旅客加权平均出行时间为目标进行优化；对于机场支线道层，以可达性最大为目标进行优化，并使用模拟退火算法进行求解。以北京大兴国际机场外部路网为例，使用该方法进行验证，并与北京市未来规划的道路网进行了对比。实例验证表明，在路网规模的相当的情况下，该方法的机场快速道层的旅客加权平均出行时间为39 min，相较北京市总体规划减少了7.1%，规划后的机场支线道层的可达性为0.77，相较北京市总体规划提升了7.0%，较好地反映了该方法的可行性。
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| 关 键 词： | 交通工程 机场外部路网 分层规划 模拟退火算法 可达性 |
| 收稿时间： | 2020-09-29 |
A Method for Hierarchical Planning of Ground Access Network of Airports Based on Accessibility |
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| BAO Danwen,CHENG Hao,ZHU Ting,TIAN Shijia,ZHANG Tianxuan.A Method for Hierarchical Planning of Ground Access Network of Airports Based on Accessibility[J].Journal of Transport Information and Safety,2021,39(3):142-151. |
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| Authors: | BAO Danwen CHENG Hao ZHU Ting TIAN Shijia ZHANG Tianxuan |
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| Affiliation: | 1.Airport Comprehensive Transportation Research Institute, Civil Aviation University of China, Tianjin 300300, China2.College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China |
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| Abstract: | The planning of ground access network of airports affects the efficiency and experience of passengers.The traditional road-network planning method is used to propose a hierarchical planning of the ground access network of airports based on accessibility and different characteristics to improve travel and passengers'experience.The ground access network is divided into the highway and branch layers for their different characteristics and specific definitions.For the highway layer, the optimization aims at the weighted average travel time of passengers; for the brunch layer, the optimization aims at maximum accessibility.Meanwhile, a simulated annealing algorithm is used to solve the problem.The ground access network of Beijing Daxing International Airport is taken as a case study to verify the planning method, and the road planning for the future in Beijing is compared.The results show that the weighted average travel time of passengers at the highway layer is reduced by 7.1%, and the accessibility of the branch layer increases by 7.0%, which reflects the feasibility of this method. |
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