Fragility curves for unanchored medical equipment accounting for building and content interaction

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dc.article.number121494
dc.catalogadorvzp
dc.contributor.authorGuamán Cabrera, Jaime Wilson
dc.contributor.authorDe La Llera Martin, Juan Carlos
dc.contributor.authorRossetto, Tiziana
dc.contributor.authorEnberg Castro, Luis Fernando
dc.contributor.authorIoannou, Ioanna
dc.date.accessioned2025-10-30T19:15:17Z
dc.date.available2025-10-30T19:15:17Z
dc.date.issued2026
dc.description.abstractCurrently, construction codes and standards require nonstructural fragility information to define nonstructural performance objectives and expectations for low- and design-intensity earthquake motions. To address this knowledge gap, this study focuses on the development of analytical fragility curves for unanchored medical equipment commonly found in hospital critical rooms, taking into account the building’s performance, damage progression, and content interaction simultaneously. To achieve this goal, a fully equipped emergency room, intensive care unit, and operating room are simulated on the first, fourth, and fifth floors of a mid-rise hospital building, respectively, and subjected to service, design, and maximum considered earthquake levels under fixed-to-the-base (FB) and base-isolated (BI) support conditions. The building’s floor acceleration responses are used as input motions to assess the performance of several pieces of medical equipment using rolling and sliding nonlinear models. This study has included a comprehensive uncertainty analysis to propagate different sources of uncertainty into the fragility curves. Fragility results indicate that, under FB support conditions, equipment malfunctions and failures are expected to occur during low-intensity earthquake motions, even if the hospital building experiences minor structural damage. Furthermore, knowing the damaged condition of medical equipment (malfunction/failure) is crucial for determining its availability and subsequent use to stabilize critical condition patients or save their lives. Finally, these fragility curves can be used to plan post-disaster recovery and make risk-informed decisions in healthcare facilities.
dc.format.extent23 páginas
dc.fuente.origenORCID
dc.identifier.doi10.1016/j.engstruct.2025.121494
dc.identifier.issn0141-0296
dc.identifier.urihttps://doi.org/10.1016/j.engstruct.2025.121494
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/106446
dc.information.autorucEscuela de Ingeniería; Guamán Cabrera, Jaime Wilson; 0000-0002-7243-1534; 1063930
dc.information.autorucEscuela de Ingeniería; De La Llera Martin, Juan Carlos; 0000-0002-9064-0938; 53086
dc.information.autorucEscuela de Ingeniería; Enberg Castro, Luis Fernando; S/I; 51808
dc.language.isoen
dc.nota.accesocontenido parcial
dc.revistaEngineering Structures
dc.rightsacceso restringido
dc.subjectHospital
dc.subjectFragility
dc.subjectPerformance-based
dc.subjectMedical equipment
dc.subjectInteraction
dc.subjectUncertainty
dc.subjectBase isolation
dc.subject.ddc620
dc.subject.deweyIngenieríaes_ES
dc.subject.ods03 Good health and well-being
dc.subject.ods11 Sustainable cities and communities
dc.subject.odspa03 Salud y bienestar
dc.subject.odspa11 Ciudades y comunidades sostenibles
dc.titleFragility curves for unanchored medical equipment accounting for building and content interaction
dc.typeartículo
dc.volumen346
sipa.codpersvinculados1063930
sipa.codpersvinculados53086
sipa.codpersvinculados51808
sipa.trazabilidadORCID;2025-10-27
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