支架固定馆藏人物俑文物的抗震优化设计研究

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振动与冲击 ›› 2024, Vol. 43 ›› Issue (5) : 110-120.

论文

王萌1,2,施勋1,2,4,杨维国1,2,葛家琪3,马伯涛3,张曼生3,刘佩1,2

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Aseismic optimization design of fixed supports for collection of figure terracotta cultural relics in museum

WANG Meng1,2,SHI Xun1,2,4,YANG Weiguo1,2,GE Jiaqi3,MA Botao3,ZHANG Mansheng3,LIU Pei1,2

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摘要

为优化支架固定馆藏人物俑文物的抗震效果，选取不同尺寸和体态的典型地震易损人物俑文物复制品（武士俑和唐三彩人物俑），开展文物复制品-优化组合措施（支架和卡固件）抗震系统振动台试验，获得影响文物复制品运动状态的关键优化参数、文物复制品与支架相互作用规律，并检验组合措施对较大体积人物俑文物的抗震固定效果。建立文物复制品-组合措施相互作用系统数值分析模型，通过参数分析，获得支架与文物间安装缝隙、在安装缝隙内填充不同种类隔震垫对文物动力响应的影响、文物复制品与固定措施相互作用规律及采用独立支架/组合措施有效固定人物俑的最小支架尺寸，为兼顾安全性及最小干预原则的固定措施优化设计提供必要依据。结果表明：相比独立支架，组合措施能够有效降低人物俑文物动力响应，有效提高固定效果；为保证人物俑文物安全，建议支架与文物间安装缝隙不大于5mm；在缝隙中填充橡胶垫及硅胶垫可使文物与支架间相互作用力降低50%~75%，有效防止文物局部损伤；当人物俑文物体型超过一定限值，独立支架不再适用，建议选择支架和随形卡固件组合措施。

Abstract

In order to optimize the seismic effect of the support for fixing the figurines in the museum collection, the typical seismically vulnerable figurine replicas (warrior figurines and Tang Sancai figurines) with different sizes and physiques were selected. The shaking table tests on the seismic system of the replicas and optimized combined measures (supports and fasteners) were carried out. The key optimization parameters affecting the movement of the replica and the interaction behavior between the replica and the support were obtained, and the seismic effectiveness of the combined measures for fixing the large figurine relics was verified. The numerical model of the interaction system between the replica and the combined measures was established. Through the parametric analysis, the impact of the gap between the support and the relic, the impact of filling the gap with different types of cushion on the dynamic responses of the figurine, the interaction between the replica and the fixation measures, and the minimum support size for the effective fixation of the figurine by independent support/combined measures were obtained, which provided the necessary basis for the optimal design of the fixation measures taking into account the principle of safety and minimum intervention. The results show that the combined measures effectively reduce the dynamic responses of figurines and improve the fixation effect compared with independent supports. In order to ensure the safety of figurines, it is recommended that the gap between the support and the figurine should be no more than 5mm. The measures of filling rubber pads and silicone pads in the gap could decrease the interaction force between figurine and the support by 50%~75% and effectively prevented the local damage of figurines. When the size of the figurine exceeded a certain limitation, the independent support is no longer applicable, as a result, the combined measures of the support and the shaped fastener are suggested.

导出引用

王萌1,2,施勋1,2,4,杨维国1,2,葛家琪3,马伯涛3,张曼生3,刘佩1,2. 支架固定馆藏人物俑文物的抗震优化设计研究[J]. 振动与冲击, 2024, 43(5): 110-120

WANG Meng1,2,SHI Xun1,2,4,YANG Weiguo1,2,GE Jiaqi3,MA Botao3,ZHANG Mansheng3,LIU Pei1,2. Aseismic optimization design of fixed supports for collection of figure terracotta cultural relics in museum[J]. Journal of Vibration and Shock, 2024, 43(5): 110-120

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