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首页> 外文期刊>International journal of architectural heritage >Seismic Damage Prediction of Masonry Churches by a PGA-based Approach
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Seismic Damage Prediction of Masonry Churches by a PGA-based Approach

机译：基于PGA的方法对砌体教会的地震损伤预测

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The current study focuses on the effects of the seismic events occurred in Central Italy on 2016, which caused in this area unacceptably losses of human life and severe damage to the building stock and monumental heritage. The main aims of this article are first to provide a qualitative picture of damage observed on 68 one-nave churches located in Marche, Umbria, and Lazio, and then to assess the possibility of using an approach based on Peak Ground Acceleration (PGA) for predictive purposes. Based on a large number of post-earthquake inspections, which have been carried out within the activity of the Italian consortium ReLUIS, Damage Probability Matrices have been obtained by adopting a macro-element approach. It has been applied to both single damage mechanism and for assessing the global damage of the examined churches. Finally, an expected damage level has been evaluated using a first-level predictive model as a function of vulnerability indexes, allowing a comparison with the actual damage revealed after the earthquake. The obtained outcomes prove that the predictive model is quite reliable for reproducing the damage scenario of churches spread over a large territory, provided that the PGA level is used as a measure of earthquake intensity.
机译：目前的研究侧重于2016年在意大利中部发生地震事件发生的影响，这在这一领域造成的人类生命损失和对建筑物股票和巨大遗产的严重损害。本文的主要目标是首先提供位于马尔凯，翁布里亚和拉齐奥的68名一殿教堂的损害的定性图片，然后评估使用基于峰接地加速度（PGA）的方法的可能性预测目的。基于大量的地震检查，这是在意大利联盟的活动中进行的，通过采用宏观元件方法获得了损坏的概率矩阵。它已应用于单一损坏机制，并用于评估审查的教会的全球损坏。最后，使用作为漏洞指标的函数的第一级预测模型进行评估预期的损害水平，允许与地震后显示的实际损坏进行比较。所获得的结果证明，预测模型对于再现在大型领域传播的教堂的损伤情景非常可靠，条件是PGA水平被用作地震强度的量度。

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