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首页> 外文期刊>Bulletin of earthquake engineering >Analysis of damage mechanisms suffered by Italian fortified buildings hit by earthquakes in the last 40 years
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Analysis of damage mechanisms suffered by Italian fortified buildings hit by earthquakes in the last 40 years

机译：意大利强化建筑遭受的损伤机制分析了过去40年地震

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摘要

This paper presents an empirical approach to studying the seismic behaviour of fortified buildings, including castles, fortresses, and citadels. The first step for a focused preventive intervention on this building typology, characterised by the presence of towers, defensive walls and other particular elements, is to identify recurring vulnerabilities. Over 750 castles and 7 seismic events which have hit Italy in recent decades have been considered, including the earthquakes in Central Italy in August and October 2016. For each seismic event, the characteristics of the earthquake have been described by means of shake maps, while the castles in the area have been identified and inserted in a specifically formulated geographic information system. Subsequently, a thorough archival and bibliographical research on the damage suffered by the most significant case histories allowed the comparison of the damage observed in the castles with different characteristics in terms of soil, materials, building typologies and conservation status. A previously proposed table of damage mechanisms was adopted and verified on a larger number of castles, suggesting some modifications. Lastly, statistical analysis on these data was conducted in order to inspect possible connections between building features, peak ground acceleration and damage mechanisms. The results have shown a good agreement with the existing vulnerability curve and the small amount of numerical analyses proposed in the literature for the same building typology.
机译：本文介绍了研究强化建筑物的地震行为的实证方法，包括城堡，堡垒和城堡。对该建筑类型的重点预防性干预的第一步，其特征在于塔，防守墙和其他特定元素的存在，是识别重复漏洞。近几十年来到意大利的750多个城堡和7次地震事件，包括意大利中部和2016年10月中部地震。对于每个地震事件，已经通过摇映射描述了地震的特征该地区的城堡已被识别并插入特定配制的地理信息系统中。随后，对最重要的案例历史损害的彻底档案和书目研究允许比较在土壤，材料，建筑类型和保护地位方面具有不同特征的城堡中观察到的损害。在更大数量的城堡上采用并验证了先前提出的损伤机制表，表明了一些修改。最后，进行了关于这些数据的统计分析，以检查建筑物功能，峰接地加速度和损坏机制之间的可能连接。结果表明，与现有的漏洞曲线和相同建筑类型的文献中提出的少量数值分析表明了良好的一致性。

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