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Vulnerability assessment and seismic mitigation intervention for artistic assets: from theory to practice

机译：艺术资产的脆弱性评估和减震干预：从理论到实践

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This paper deals with the vulnerability assessment of artistic assets, aiming at exploiting the potential of specifically designed seismic-isolation strategy to mitigate their seismic risk. In detail, starting from a review of the multidisciplinary procedure proposed by some of the authors for evaluating the safety level of art objects, this paper focuses on the required steps necessary to effectively design proper seismic mitigation intervention. For this purpose, the case study of the bust of Francesco I d'Este is investigated. This sculpture is housed at the second floor of Palazzo dei Musei in Modena, one of the cities hit by the seismic events occurred in May 2012 in Italy, which brought up to date the need of preserving this valuable object from seismic risk. After a preliminary vulnerability analysis carried out to assess the safety of the bust, a specific intervention of seismic isolation is conceived and realized by adopting Double Concave Curved Surface Sliders (DCCSS), which combine a strong flexibility to different museum contexts, with the possibility of standardizing the production process. To this aim, some operative charts are proposed as useful tool for the design phase of the seismic devices. Then special attention is devoted to an accurate evaluation of the seismic action, considering the location of the artistic asset at upper floors, also by means of different strategies for numerical modeling of the host masonry building. Finally, a series of non linear dynamic analyses are carried out to assess the effectiveness of the whole isolated system.
机译：本文涉及艺术资产的脆弱性评估，旨在利用专门设计的地震隔离策略来降低其地震风险的潜力。详细地，从对一些作者提出的用于评估艺术品安全水平的多学科程序的综述开始，本文着重于有效设计适当的减震干预措施所需的必要步骤。为此，对Francesco I d'Este的胸围进行了案例研究。这座雕塑位于摩德纳的德穆塞宫（Palazzo dei Musei）的二楼，这是受2012年5月在意大利发生的地震袭击的城市之一，这使人们有必要保持这种珍贵的物品免受地震危险。在进行初步的脆弱性分析以评估胸围的安全性之后，通过采用双凹曲面滑动器（DCCSS）构想并实现了地震隔离的特定干预措施，该组合结合了针对不同博物馆环境的强大灵活性，并有可能规范生产流程。为此，提出了一些手术图作为地震设备设计阶段的有用工具。然后，还要特别注意对地震作用的准确评估，同时考虑艺术资产在较高楼层的位置，同时还要通过对宿主砌体建筑进行数值建模的不同策略。最后，进行了一系列非线性动力学分析，以评估整个隔离系统的有效性。

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