Assessing road network resilience in disaster areas from a complex network perspective: A real-life case study from China

被引:23
作者
Wei, Meng [1 ]
Xu, Jiangang [1 ]
机构
[1] Nanjing Univ, Sch Architecture & Urban Planning, Nanjing 210000, Peoples R China
基金
中国国家自然科学基金;
关键词
Road network resilience; Disaster-prone areas; Disaster process; Resilience curves; Complex networks; CRITICALITY ANALYSIS; TRANSPORT NETWORK; RAIL NETWORK; GRAPH-THEORY; VULNERABILITY; SYSTEMS; IMPACT;
D O I
10.1016/j.ijdrr.2023.104167
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Recently, resilience assessment has become a significant research topic, as it is crucial for re-gional disaster mitigation. It is important to identify road network resilience characteristics to im-prove regional traffic and handling capacity during emergencies, which ensures regional trans-port safety management and sustainable development. In this paper, a complex-network-based resilience assessment framework coupled with resilience curve characteristics, such as vulnera-bility, survivability, adaptability, responsiveness and resilience, was established. Typical Chinese regions with the most extensive disaster distribution were selected to reproduce real historical disaster scenarios for comparative analysis and research. The results showed that 1) the process of the change in the resilience of the road network during a disaster conforms to the characteris-tics of the resilience curve; 2) dense, homogeneous networks are more resilient than sparse, clus-tered networks; 3) road sections with more redundancy and substitutability are more resilient; and 4) the severity of the decline in traffic network performance in disaster areas is related to the attributes of road segments and network interference methods.
引用
收藏
页数:24
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