• Proposed a BIM-based method to assess post-earthquake medical functionality at hospital-campus scale. • Integrated multi-source component, patient-flow, and seismic-damage data in a unified BIM platform. • Modeled cross-building interdependencies and cascading effects via discrete event simulation under damage. • Automated BIM-to-DES mapping for refined, campus-wide post-earthquake functionality assessment. Hospitals are complex systems composed of multiple interconnected buildings, making post-earthquake functionality (PEF) assessment critical for emergency response. Most existing studies focus on single buildings, overlooking challenges at the campus level, including: managing diverse and interdependent data without a unified platform, capturing interdependencies among buildings and departments, and addressing cascading functional losses caused by damage to departments or components. To overcome these limitations, this study proposes a Building Information Modeling (BIM)-based method that explicitly considers hospital-wide interdependencies to enable automated and refined PEF assessment. The framework comprises: (1) a BIM modeling approach integrating component information, patient flows, and seismic data; (2) a discrete event simulation (DES) method for inter-building functional interactions; and (3) a BIM-based PEF assessment approach considering component–department–building dependencies. A case study demonstrates that the method enables integrated data handling, quantifies PEF across buildings, and effectively evaluates cascading impacts, thereby supporting hospital emergency response and resilient hospital design.
Cheng et al. (Thu,) studied this question.
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