A procedure for estimating the risk and resilience of bridge networks under both seismic and tsunami hazards

Hiroki Ishibashi, T. Kojima, M. Akiyama, D. M. Frangopol, S. Koshimura

研究成果: Conference contribution

抄録

To develop disaster mitigation measures in regions affected by both ground motions and tsunamis, it is important to consider the effects of both seismic and tsunami hazards and assess the social impacts associated with economic losses and reduced network functionality. In this paper, a procedure is presented for estimating the risk and resilience of bridge networks under both seismic and tsunami hazards. Using the proposed framework, it is possible to estimate risk as the economic loss and resilience as the functionality and recovery time of a network after an earthquake. In an illustrative example, the road networks in two Japanese cities expected to be affected by the anticipated Nankai Trough earthquake, which would cause strong ground motions and a subsequent tsunami, are analyzed. Using risk and resilience as performance indicators for social impacts, the effectiveness of retrofitting a road structure can be quantified. Finally, the retrofitting prioritization for various structures can be determined.

本文言語English
ホスト出版物のタイトルBridge Maintenance, Safety, Management, Life-Cycle Sustainability and Innovations - Proceedings of the 10th International Conference on Bridge Maintenaince, Safety and Management, IABMAS 2020
編集者Hiroshi Yokota, Dan M. Frangopol
出版社CRC Press/Balkema
ページ2101-2107
ページ数7
ISBN(電子版)9780367232788
DOI
出版ステータスPublished - 2021
イベント10th International Conference on Bridge Maintenaince, Safety and Management, IABMAS 2020 - Sapporo, Japan
継続期間: 2021 4 112021 4 15

出版物シリーズ

名前Bridge Maintenance, Safety, Management, Life-Cycle Sustainability and Innovations - Proceedings of the 10th International Conference on Bridge Maintenaince, Safety and Management, IABMAS 2020

Conference

Conference10th International Conference on Bridge Maintenaince, Safety and Management, IABMAS 2020
国/地域Japan
CitySapporo
Period21/4/1121/4/15

ASJC Scopus subject areas

  • 土木構造工学
  • 安全性、リスク、信頼性、品質管理

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