Scoring, selecting, and developing physical impact models for multi-hazard risk assessment

This study focuses on scoring, selecting, and developing physical fragility (i.e., the probability of reaching or exceeding a certain damage state given specific hazard intensity) and/or vulnerability impact - consequence models for assets interest, with particular emphasis buildings. Given set multiple relevant hazards selected case-study region, proposed procedure involves 1) mapping asset classes construction types occupancy) in region to existing candidate fragility, damage-to-impact models, also accounting modelling requirements (e.g., time dependency due ageing/deterioration, multi-hazard interactions); 2) scoring according criteria select most suitable application; 3) using state-of-the-art numerical empirical methods develop fragility/vulnerability not already available. The approach is demonstrated buildings virtual urban testbed “Tomorrowville”, considering earthquakes, floods, debris flows as hazards.