Study on Earthquake Loss of Transportation Networks

Abstract eng:
Earthquake disaster, which exists in many parts around the world, is one of the natural ones that cause tremendous loss to our society and the economy. With the rapid development of China’s national economy, transportation network system, which has become a necessary component in people’s daily life, is an important part of the lifeline systems. It also plays a crucial role in the post-earthquake search and rescue as well as in reconstruction efforts. Earthquake damage to a transportation system not only causes direct loss to the system, but also incurs serious indirect damage due to its networking property. Therefore, the analysis of the transportation network stability and economic loss under the earthquakes is very important and bears practical application potential. Based on previous studies, this paper proposes a framework for analyzing economic loss for a typical transportation system. Structural vulnerability curves for the transportation system, which are suitable for the rapid assessment after an earthquake, are also proposed. Based on the characteristics of the earthquake damage in China and the method of traffic distribution, the paper evaluates the loss assessment method of the transportation network.

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