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A proactive and resilient seismic risk mitigation strategy for existing school buildings

机译：现有学校建筑的主动和有弹性地震风险缓解策略

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摘要

Different methods and procedures have been developed to define prioritisation strategies of retrofit interventions aimed at reducing the seismic risk of school buildings on a large territorial scale. However, these approaches fail to demonstrate how risk analysis has been used successfully to quantitatively assess and select the optimal risk management decision. This article proposes innovative and useful metrics to measure the potential costs and benefits related to the prioritisation of retrofit intervention and the resilience of the analysed school system by directly integrating engineering, organisational, socio-economic and political aspects in the realm of seismic resilience assessment. Based on probabilistic risk assessments considering the new vulnerability of the prioritised school buildings, these measures could predict the expected economic and functional losses associated with a disastrous seismic event, as well as the possible post-disaster recovery of the system. In order to help decision-makers in selecting the optimal mitigation strategy with a multidisciplinary and multidimensional perspective, different political scenarios, the relative prioritisations of interventions and their intervention options are also defined. The proposed framework is demonstrated in a complex case study of 1,825 public schools in the Lima metropolitan area, Peru. Policymakers, planners and engineering professionals could benefit from results.
机译：已经制定了不同的方法和程序来定义改造干预措施的优先次序策略，旨在降低大型地区规模的学校建筑物的地震风险。然而，这些方法未能证明如何成功使用风险分析来定量评估和选择最佳风险管理决策。本文提出了创新和有用的指标，以衡量与改造干预的优先顺序有关的潜在成本和利益，通过直接整合地震恢复性评估领域的工程，组织，社会经济和政治方面，通过直接整合工程，组织，社会经济和政治方面的分析学校制度。根据优先型学校建筑的新漏洞的概率风险评估，这些措施可以预测与灾难性地震事件相关的预期经济和功能损失，以及系统的可能灾后恢复。为了帮助决策者选择具有多学科和多维视角的最佳缓解策略，还定义了不同的政治情景，干预措施的相对优先考虑及其干预选择。拟议的框架在秘鲁利马大都市地区1,825名公立学校进行了证明。政策制定者，规划人员和工程专业人员可以从结果中受益。

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