2023 Volume 79 Issue 13 Article ID: 22-13037
For railways, it took time to assess the damage level and subsequent recovery work after the 2018 Northern Osaka Earthquake and the 2021 and 2022 Fukushima Earthquakes. For this reason, performance evaluations from the viewpoint of the number of post-earthquake restoration duration of structures will become more and more important in the future. Therefore, in this paper, we systematically organized post-earthquake restoration duration from past earthquake damage cases, referring to as many literatures as possible. As a result, we found that there is a limit to the number of cases that can be obtained, so we evaluated it by accumulating kinds of works required for restoration work according to the type of structure and damage level. Finally, we compared the estimation results with the recovery duration of the damage cases, and confirmed that the estimation results are generally close to the actual situation.
