自然灾害下应急交通分布及相关交通组织方法

Xiaogang Ma , Haibo Guo , Xiaodong Tang , Xueying Gao , Xiaoran Wang
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引用次数: 0

摘要

人类活动和环境污染导致的自然灾害频繁发生,迫使人们重视环境保护。当然,自然灾害后的应急救援也是研究的重要组成部分。紧急救援往往会产生大量的紧急疏散和救援交通需求。面对稀缺的道路资源,如何合理配置有限的道路资源用于应急交通需求,提高应急救援效率具有重要的现实意义。本文研究了应急交通网络的应急交通分配方法和交通组织方法。首先,在现有基于Logit模型的交通分配方法的基础上,结合应急交通流的特点,提出了一种基于第二种改进Logit模式的应急多径交通分配方法。并根据实际情况提出了应急车道反转的实施策略。最后,通过实例对本文提出的应急交通分配方法和应急车道反转策略进行了综合验证。实验结果表明,该方法能够应对多种应急交通流的复杂场景,有助于提高应急交通流整体效率。
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Emergency traffic distribution and related traffic organization method under natural disasters

The frequent occurrence of natural disasters caused by human activities and environmental pollution has forced people to pay attention to environmental protection. Of course, emergency rescue after natural disasters is also a great component of research. Emergency rescue often generates a large number of emergency evacuation and rescue traffic needs. In the face of scarce road resources, how to allocate limited road resources for emergency traffic needs reasonably to improve the efficiency of emergency rescue has important practical significance. This paper studies the emergency traffic distribution method and the traffic organization method of the emergency traffic network. First, on the basis of the existing traffic distribution method based on Logit model, combined with the characteristics of emergency traffic flow, an emergency multi-path traffic distributed method based on the second modified Logit model is proposed. As well as the emergency lane reversal implementation strategy is proposed according to the actual situation. Finally, an example is proposed to comprehensively verify the emergency traffic distribution method and emergency lane reversal strategy proposed in this paper. The experimental results show that the proposed method can cope with the complex scenarios of multiple emergency traffic flows and is helpful to improve the overall efficiency of emergency traffic flow.

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