Risk‐targeted seismic evaluation of functional recovery performance in buildings

Abstract Past earthquakes have highlighted the impact of prolonged downtime on community recovery. The introduction performance objectives expressed in terms recovery time has been identified as a key goal for next generation building codes. Recent development estimation frameworks now allows discussion how to use estimates (1) establish recovery‐targeted and (2) assess functional buildings designed with modern code provisions. In this paper, we employ methods adapted from life‐safety provisions evaluate using simulation outputs. A scenario‐based, an intensity‐based risk‐targeted analysis are presented. series residential reinforced concrete shear wall archetype buildings, ranging eight 24 stories height, at site downtown Seattle, Washington, then assessed. Results scenario‐based assessment M9 Cascadia Subduction zone earthquake, comparable 975‐year intensity level, show that probability achieving within four months is close zero, while likelihood by one year approximately 60%. results 50% 50 years exceeding month, 43% 50‐year 8% year. Finally, expected annual three days all heights considered. Disaggregation was used identify levels contribute most risk. risk month dominated frequent, low‐intensity (e.g., 100‐year return period). longer times less higher (i.e., periods greater than 975 years). While sensitive assumed damage thresholds impeding factor delays triggered low levels, findings suggest following current codes high lengthy downtimes. Ultimately, proposed illustrate importance introducing recovery‐based into