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Rural road network performance and pre-disaster planning: an assessment methodology considering redundancy

机译：乡村公路网络性能和灾后程计划：考虑冗余的评估方法

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摘要

This paper introduces a new methodology to evaluate the performance of rural road networks when a link in the network is disrupted due to events such as natural disasters, accidents, and maintenance closures. As a measure of network resilience, we propose a simpler approach to quantify redundancy by introducing two indices that link the concept of road network redundancy with the increase in travel distance of the overall network when a road link fails. We apply the problem formulation to a real-world rural road network which was heavily affected by the 2015 Gorkha Earthquake in Nepal. Based on the results from our analyses, we found these indices easy to use, pragmatic, and reliable for the case under study. With the proposed tool, decision-makers can predict and monitor the performance of rural road networks for pre-disaster (or pre-disruption) planning, thereby ensuring the smooth connectivity for goods and services during emergencies.
机译：本文介绍了一种新方法，以评估农村公路网络的性能，当网络中的链接因自然灾害，事故和维护封闭等事件而被扰乱。 作为网络弹性的衡量标准，我们提出了一种更简单的方法来通过引入两个指数来量化冗余，通过将道路网络冗余的概念链接到整个网络失败时整体网络的行驶距离的增加。 我们将问题配方应用于一个真实的农村公路网，受到尼泊尔2015年Gorkha地震的严重影响。 根据我们的分析结果，我们发现这些指数易于使用，务实，可靠的研究。 通过拟议的工具，决策者可以预测和监测农村公路网络进行灾害预灾区（或预破坏）规划的性能，从而确保在紧急情况下的商品和服务的顺利连通性。

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