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基于隔震技术的浮放石柱防震设计与性能分析

Seismic design and performance analysis of floating pillar based on isolation technology
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摘要 受震时文博馆舍内重要文物损坏引起文保工作人员关注,隔震技术为文物防震保护工作提供优化保护策略。结合某石质文物防震加固工作,首先,对考虑楼层放大效应的受震激励和文物受震运动临界条件进行了讨论;其次,提出“石基座+隔震支座”复合抗震设计,并对石质文物抗震效果进行了分析;最后,进行了简谐荷载激励下振动试验。结果表明隔震技术能够有效降低文物受震破坏概率。 The damage of important cultural relics in cultural museum buildings caused the attention of cultural preservation workers during the earthquake.Isolation technology provides an optimized protection strategy for the protection of cultural relics against earthquake.Combined with the earthquake prevention and reinforcement work of a stone cultural relic,firstly,the earthquake excitation considering floor amplification effect and the critical condition of cultural relic earthquake motion are discussed.Secondly,the composite seismic design of"stone base+isolation support"is proposed,and the seismic effect of stone cultural relics is analyzed.Finally,vibration tests under harmonic excitation are carried out.The results show that the seismic isolation technology can effectively reduce the probability of cultural relics being damaged.
作者 孔德睿 齐菲 魏陆顺 张天经 王亮 KONG De-rui;QI Fei;WEI Lu-shun;ZHANG Tian-jing;WANG Liang(School of Civil Engineering,Xinyang University,Xinyang 464000,China;School of Transportation&Civil Architecture,Foshan University,Foshan 528000,China)
出处 《河南城建学院学报》 CAS 2019年第5期30-36,共7页 Journal of Henan University of Urban Construction
基金 国家自然科学基金(51778162) 河南省高等学校重点科研项目(20B560014) 信阳学院校级科研项目(2019-XJLYB-002、2019-XJLYB-008)
关键词 文物防震 隔震设计 抗震性能 谐振激励 cultural relics shockproof isolation design seismic performance resonance excitation
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