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Earthquake-Resilient Hospital Retrofit Prioritization, a Case Study

Strategic healthcare infrastructure requires advanced seismic mitigation strategies that balance post-earthquake functional recovery with the operational demands of daily clinical delivery. Systematic retrofit prioritization integrates structural vulnerability assessments, base isolation techniques, and service criticality metrics into a cohesive decision framework. This approach optimizes capital expenditure across building stocks while safeguarding critical post-disaster healthcare functionality.

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Bachelor's Thesis

Degree:
Earthquake-Resilient Hospital Retrofit Prioritization, a Case Study

Author:

Group

First M. Last

Advisor:

Dr. First Last

City, 2026

Contents

Approval Page
Abstract
Introduction
1. Theoretical Foundations of Healthcare Seismic Resilience
1.1. Structural Vulnerability and Functional Recovery Requirements in Strategic Facilities
1.2. Engineering Interventions: Conventional Strengthening versus Base Isolation Systems
1.3. Multi-Criteria Decision Frameworks for Seismic Risk Mitigation
Analysis
2.1. Criticality Mapping and Clinical Service Continuity Constraints
2.2. Structural Performance, Ground Settlement, and Acceleration Mitigation
2.3. Operational Disruption and Technical Feasibility in Healthcare Facilities
3. Implementation Framework and Decision-Making Architecture
3.1. Phased Retrofit Staging for In-Service Hospital Complexes
3.2. Evaluation of Strategic Interventions and Base Isolation Applications
3.3. Policy Guidelines for Capital Allocation in Healthcare Infrastructure
Conclusion
Bibliography

Introduction

Healthcare infrastructure resilience during seismic disasters represents an indispensable cornerstone of emergency response and public health preservation. Unlike conventional buildings where basic life safety limit states govern engineering decisions, hospital complexes demand uninterrupted post-event functionality and operational continuity. Severe earthquake sequences across international seismic zones repeatedly highlight that structural survivability alone does not prevent catastrophic service outages caused by non-structural failures or prolonged repair phases [2][5]. Consequently, establishing systematic retrofit prioritization criteria becomes crucial for municipal authorities and health network administrators managing aging infrastructure under stringent capital constraints.

Traditional retrofit methodologies frequently overlook the acute operational dependencies of critical care units, focusing primarily on local structural element reinforcement. Invasive construction activities often require substantial facility closures, severing clinical delivery exactly when surrounding populations remain most vulnerable [3][6]. Furthermore, geotechnical deformations and floor acceleration amplifications present dual hazards to sensitive medical diagnostics and non-structural components [4][7]. These compounding challenges create severe decision-making bottlenecks for capital allocation, as standard cost-benefit analyses struggle to weigh life safety improvements against daily clinical disruptions and immediate post-disaster functional recovery targets.

This study establishes an integrated prioritization framework to guide strategic structural retrofitting within healthcare complexes based on documented engineering cases. By synthesizing comparative evidence from advanced base isolation applications, foundation stabilization techniques, and systemic criticality metrics, the investigation resolves conflicting priorities between structural upgrade invasiveness and clinical operational preservation [2][5][6]. The resulting methodology provides institutional planners with a rigorous, evidence-grounded basis to sequence capital expenditures, ensuring targeted structural interventions optimize hospital functionality, occupant safety, and regional post-disaster resilience.

2.2. Structural Performance, Ground Settlement, and Acceleration Mitigation

Applying a systematic decision framework to healthcare infrastructure demonstrates that structural retrofit prioritization must balance geotechnical stabilization, drift control, and operational continuity. According to established prioritization methodologies, technical interventions are classified by weighing structural vulnerability against service criticality to optimize resource allocation across complex building portfolios (Seismic repair and retrofit prioritization framework, 2022). In strategic public complexes, superstructure reinforcement alone cannot guarantee operational resilience if foundation subgrades remain susceptible to differential settlement, underscoring the critical need to integrate ground improvement works with structural retrofitting (Christchurch Town Hall Complex: Post-Earthquake Ground Improvement, Structural Repair, and Seismic Retrofit, 2020). Moreover, analysis of occupied reinforced concrete facilities indicates that seismic isolation techniques drastically reduce floor accelerations and inter-story drift while permitting ongoing building occupancy during construction (Seismic Retrofit of R.C. Buildings in Use Through Seismic Isolation, 2023). When applied to hospital facilities, base isolation mitigates the dynamic forces that damage essential non-structural medical systems, clinical equipment, and MEP installations. Integrating geotechnical reliability, acceleration mitigation through base isolation, and operational constraints into the analytical model confirms that retrofit sequencing for acute healthcare infrastructure must prioritize immediate post-earthquake functional recovery rather than conventional life-safety performance objectives.

References

  1. Retrofit of Bridges for an Earthquake Resilient Society
    Mladen Bulić, Mehmed Čaušević
    DOI Bağlantısı
  2. SEISMIC RETROFIT OF STRATEGIC MASONRY STRUCTURES WITH BASE ISOLATION TECHNIQUE: THE CASE STUDY OF “GIACOMO MATTEOTTI” SCHOOL BUILDING IN GUBBIO, ITALY
    Stefano Barone, Riccardo Vetturini
    DOI Bağlantısı
  3. Motivators and impediments to seismic retrofit implementation for wood‐frame soft‐story buildings: A case study in California
    Yating Zhang, Juan F Fung, Katherine J Johnson et al.
    DOI Bağlantısı
  4. Christchurch Town Hall Complex: Post-Earthquake Ground Improvement, Structural Repair, and Seismic Retrofit
    Gareth Morris, Mark Browne, Kirsti Murahidy et al.
  5. Seismic repair and retrofit prioritization framework
    Charlotte Brown, Erica Seville, Sophie Horsfall et al.
  6. SEISMIC RETROFIT OF R.C. BUILDINGS IN USE THROUGH SEISMIC ISOLATION. THREE CASE STUDIES IN L'AQUILA, ITALY
    Maria Gabriella Castellano, Riccardo Vetturini
  7. Seismic Bracing for Earthquake-Resistant Design: Architectural Functioning and Enhancing Building Safety and Aesthetics Suggestions, Case of Istanbul
    Amer Alnajjar
  8. Building energy efficiency retrofit prioritization: A case study of the Iowa Army National Guard
    Benjamin Robertson

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