Seismic effectiveness evaluation and optimized design of tie up method for securing museum collections

IF 2.6 2区 工程技术 Q2 ENGINEERING, CIVIL
Meng Wang, Yi Yan, Weiguo Yang, Pei Liu, Jiaqi Ge, Botao Ma
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引用次数: 0

Abstract

To quantify the seismic effectiveness of the most commonly used fishing line tie up method for securing museum collections and optimize fixed strategies for exhibitions, shaking table tests of the seismic systems used for typical museum collection replicas have been carried out. The influence of body shape and fixed measure parameters on the seismic responses of replicas and the interaction behavior between replicas and fixed measures have been explored. Based on the results, seismic effectiveness evaluation indexes of the tie up method are proposed. Reasonable suggestions for fixed strategies are given, which provide a basis for the exhibition of delicate museum collections considering the principle of minimizing seismic responses and intervention. The analysis results show that a larger ratio of height of mass center to bottom diameter led to more intense rocking responses. Increasing the initial pretension of fishing lines was conducive to reducing the seismic responses and stress variation of the lines. Through comprehensive consideration of the interaction forces and effective securement, it is recommended to apply 20% of breaking stress as the initial pretension. For specific museum collections that cannot be effectively protected by the independent tie up method, an optimized strategy of a combination of fishing lines and fasteners is recommended.

博物馆藏品安全捆绑方法的抗震效果评估和优化设计
为了量化最常用的鱼线绑扎法在固定博物馆藏品方面的抗震效果,并优化展览的固定策略,对典型的博物馆藏品复制品所使用的抗震系统进行了振动台试验。探索了主体形状和固定措施参数对复制品地震响应的影响,以及复制品和固定措施之间的相互作用行为。根据研究结果,提出了绑扎方法的地震有效性评价指标。给出了合理的固定策略建议,为考虑地震反应最小化和干预最小化原则的精致博物馆藏品展陈提供了依据。分析结果表明,质心高度与底部直径的比值越大,摇晃反应越强烈。增加钓线的初始预拉力有利于降低钓线的地震响应和应力变化。通过对相互作用力和有效固定的综合考虑,建议采用 20% 的断裂应力作为初始预拉力。对于独立捆绑方法无法有效保护的特定博物馆藏品,建议采用钓线和紧固件相结合的优化策略。
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来源期刊
CiteScore
4.70
自引率
21.40%
发文量
1057
审稿时长
9 months
期刊介绍: Earthquake Engineering and Engineering Vibration is an international journal sponsored by the Institute of Engineering Mechanics (IEM), China Earthquake Administration in cooperation with the Multidisciplinary Center for Earthquake Engineering Research (MCEER), and State University of New York at Buffalo. It promotes scientific exchange between Chinese and foreign scientists and engineers, to improve the theory and practice of earthquake hazards mitigation, preparedness, and recovery. The journal focuses on earthquake engineering in all aspects, including seismology, tsunamis, ground motion characteristics, soil and foundation dynamics, wave propagation, probabilistic and deterministic methods of dynamic analysis, behavior of structures, and methods for earthquake resistant design and retrofit of structures that are germane to practicing engineers. It includes seismic code requirements, as well as supplemental energy dissipation, base isolation, and structural control.
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