Invulnerability Reliability Evaluation Method of Urban Road Network in Emergent Evacuation System in Unexpected Disasters

CICTP 2019 ◽  
2019 ◽  
Author(s):  
Hao Song ◽  
Minhao Yang ◽  
Xuekun Wang ◽  
Shuo Liu ◽  
Junhua Wang ◽  
...  
2021 ◽  
Vol 2021 ◽  
pp. 1-12
Author(s):  
Lin Gao ◽  
Mingzhen Wang ◽  
Anshuang Liu ◽  
Huafeng Gong

The road network’s transport capacity and traffic function will be directly reduced if urban roads are damaged by earthquakes. To effectively improve the resistance and recovery ability of urban road networks facing earthquake disasters, the establishment of an aseismic resilience evaluation method for the urban road network is the research goal. This paper’s novelty introduces the concept of engineering resilience into the aseismic performance evaluation of urban road networks. It reveals the internal influence principle of nodes and independent pathways on the aseismic resilience of the network. This paper’s significant contribution is to establish a reasonable and comprehensive urban road network aseismic resilience evaluation method. This method can realize the calculation of the aseismic resilience for the existing network, reconstruction network, and new network and propose the optimization, transformation, and layout for the network. The MATLAB program for the whole process calculation of aseismic resilience is developed. The overall network’s aseismic resilience is obtained by the sum of the product of the node importance and the average number of the reliable independent pathways.


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