Emergency Restoration Strategy for Water Distribution System from the Viewpoint of Disaster Resilience Curves
Publication: Lifelines 2022
ABSTRACT
The objectives of this study are to develop an estimation procedure for pipeline damage sites after an earthquake disaster in formulating an emergency restoration plan in the water sector, and to investigate the emergency restoration strategy for smart recovery of economical and industrial activities. In this study, a standard fragility function model on the peak ground velocity (PGV) and the damage rate is developed. In addition, the disaster resilience curves were calculated in the case study of Nishi-Mikawa region after the resumed Nankai trough earthquake disaster in Japan using a numerical simulation model on emergency restoration. We calculated an opportunity loss as an integration value of the economic activities rate of decline by the suspension of water supply with the pipeline damage in the emergency restoration period. As a result, it was pointed out that disaster resilience in water sector would require not only earthquake-resistant pipe technology, but also emergency restoration strategy for mitigation of opportunity loss.
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Lifelines 2022
Pages: 443 - 452
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Published online: Nov 16, 2022
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