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Effect of pyrotechnical effects on heritage constructions: The Altamira Palace in Elche, Spain
International Journal of Architectural Heritage ( IF 2.3 ) Pub Date : 2021-02-04
Salvador Ivorra, David Bru, F. Javier Baeza, Benjamín Torres

ABSTRACT

Historical buildings are located in the city center, near squares where celebrations take place. These festivities usually include pyrotechnic events that impose blast loadings on historical buildings. In this paper, a methodology for the analysis of the dynamic response of historical buildings is presented, and applied to the Altamira Palace — a historical building listed as Spanish National Monument located in Elche (Spain) — during the experimental campaigns that registered the effect of two different pyrotechnic events. Vibration levels associated with these events are presented and analysed according to several international standards and scientific recommendations, in order to avoid even cosmetic damages. The qualitative analysis of the accelerograms, registered during both events, served to identify the different parts of the spectacle, in which the highest accelerations were induced during the last phase (commonly known as the earthquake). Based on the quantitative analysis of the signals, the most significant frequency range in terms of possible damage to the monument was detected below 10 Hz. In this range, the measurements showed peak accelerations much higher than those limits recommended in the different standards and scientific reports.



中文翻译:

烟火对遗产建筑的影响:西班牙埃尔切的阿尔塔米拉宫

摘要

历史建筑位于市中心,临近庆祝活动的广场。这些庆祝活动通常包括烟火事件,在历史建筑上施加爆炸载荷。在本文中,提出了一种分析历史建筑动态响应的方法,并将其应用到阿尔塔米拉宫(Altamira Palace),这是一栋被列为西班牙国家纪念碑的历史建筑,位于西班牙埃尔切(Elche(Spain))。两次不同的烟火事件。根据一些国际标准和科学建议,提出并分析了与这些事件相关的振动水平,从而避免了外观上的损坏。在两个事件中记录的加速度计的定性分析有助于识别眼镜的不同部分,在最后一个阶段(通常称为地震)引起最高的加速度。根据对信号的定量分析,在低于10 Hz的频率下,检测到对纪念碑的可能损坏的最高频率范围。在此范围内,测量结果显示峰值加速度远高于不同标准和科学报告中建议的极限值。

更新日期:2021-02-05
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