[1]刘小换,王伊立,丁景花,等.基于虚拟激励法的混合减震结构抗震可靠度分析[J].华南地震,2024,(03):119-126.[doi:10.13512/j.hndz.2024.03.13]
LIU Xiaohuan,WANG Yili,DING Jinghua,et al.Seismic Reliability Analysis of Hybrid Damping Structure Based on Pseudo Excitation Method[J].,2024,(03):119-126.[doi:10.13512/j.hndz.2024.03.13]
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基于虚拟激励法的混合减震结构抗震可靠度分析()
华南地震[ISSN:1006-6977/CN:61-1281/TN]
- 卷:
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- 期数:
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2024年03期
- 页码:
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119-126
- 栏目:
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土木工程防震减灾
- 出版日期:
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2024-09-30
文章信息/Info
- Title:
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Seismic Reliability Analysis of Hybrid Damping Structure Based on Pseudo Excitation Method
- 文章编号:
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1001-8662(2024)03-0119-08
- 作者:
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刘小换1; 2; 王伊立1; 丁景花1; 刘 辉1
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1.广州科技职业技术大学建筑工程学院,广州 510550;2.广州大学工程抗震研究中心,广州 510405
- Author(s):
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LIU Xiaohuan1; 2; WANG Yili1; DING Jinghua1; LIU Hui1
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1.School of Architectural Engineering , Guangzhou Vocational University of Science and Technology , Guangzhou 510550, China;2.Earthquake Engineering Research&Test Center , Guangzhou University , Guangzhou 510405, China
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- 关键词:
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混合减震; 虚拟激励法; 随机地震响应; 动力可靠度; 设计基准期
- Keywords:
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Hybrid damping; Pseudo excitation method(PEM); Random seismic response; Dynamic reliability; Design reference period
- 分类号:
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TU352.1
- DOI:
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10.13512/j.hndz.2024.03.13
- 文献标志码:
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A
- 摘要:
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基于虚拟激励法和可靠度理论分析了混合减震结构在罕遇地震作用下的平稳随机地震响应和动力可靠度。以一栋10层框架剪力墙结构为数值算例,隔震层由隔震支座和粘滞阻尼器组成,采用Clough-Penzien双过滤功率谱模型,通过虚拟激励法分析结构在8度和9度罕遇地震下的随机动力响应,根据可靠度理论,采用当量正态化法计算结构各层可靠度指标由此得到结构的可靠度,最后根据我国抗震规范“两阶段,三水准”设计原则,分析了结构在设计基准期(50年)内的动力可靠度。结果表明:罕遇地震作用下隔震层变形较大,采用混合隔震能够有效降低隔震层的位移响应,使结构在随机地震作用下的整体可靠度得到显著提高,在设计基准期内,隔震层的失效是一个比较突出的问题,在工程设计时应采取有效的限位保护措施。
- Abstract:
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The stationary random seismic response and dynamic reliability of the hybrid damping structure under rare earthquakes were analyzed by the pseudo excitation method and reliability theory. A 10-story frame-shear wall structure was taken as a numerical example, whose isolation layer consisted of rubber bearings and viscous dampers. The Clough-Penzien double-filtered power spectrum model was used to analyze the random dynamic response under rare earthquakes of eight and nine degrees by the pseudo excitation method. According to the reliability theory, the equivalent normalization method was used to calculate the reliability index of each story to obtain the reliability of the structure. Finally,according to the design principle of “two stages and three levels”in Chinese earthquake-resistant code, the dynamic reliability of the structure in the design reference period(50 years)was analyzed. The results show that the deformation of the isolation layer is large under rare earthquakes, and hybrid damping can effectively reduce the displacement response of the isolation layer and improve the overall reliability of the structure under random earthquakes. During the design reference period, the failure of the isolation layer is a prominent problem, and effective limit protection measures should be taken in engineering design.
参考文献/References:
[1] Heaton T H,Hall J F,Wald D J,et al. Response of high-rise and base-isolated buildings to a hypothetical MW 7.0 blind thrust earthquake [J].Science,1995,267(5195):206-211.
[2] Yang J N,Agrawal A K. Semi-active hybrid control systems for nonlinear buildings against near-field earthquakes [J]. Engineering Structures,2002,24(3):271-280 .
[3] Taniguchi T,Kiureghian A D,Melkumyan M. Effect of tuned mass damper on displacement demand of base-isolated struc?tures [J]. Engineering Structures,2008,30(12):3478-3488.
[4] Providakis C P. Effect of supplemental damping on LRB and FPS seismic isolators under near-fault ground motions [J]. Soil Dynamics and Earthquake Engineering,2009,29(1):80-90.
[5] Providakis C P. Effect of LRB isolators and supplemental vis?cous dampers on seismic isolated buildings under near-fault excitations [J]. Engineering Structures,2008,30(5):1187-1198.
[6]张冠平,刘彦辉,金建敏. TMD基础隔震混合减震体系地震响应研究[J].华南地震,2018,38(4):105-110.
[7]金建敏,谭平,陈鹏等.黏滞阻尼器层间隔震结构振动台试验研究[J].华南地震,2016,36(4):91-96.
[8]金建敏,谭平,周福霖,等.下部减震层间隔震结构振动台试验研究[J].振动与冲击,2012,31(6):104-108.
[9]胡聿贤.地震工程学[M].北京:地震出版社,2006.
[10]林家浩,张亚辉,赵岩.虚拟激励法在国内外工程界的应用回顾与展望[J].应用数学和力学,2017,38(01):1-32
[11]周云.黏滞阻尼减震结构设计理论及应用[M].武汉:武汉理工大学出版社,2006.
[12]中华人民共和国住房和城乡建设部.建筑抗震设计规范:GB50011-2010 [S].北京:中国建筑工业出版社,2010.
[13]王光远,朱靖华.地震作用下串、并联工程系统中结构失效相关性的近似处理[J].地震工程与工程振动,1998,18 (4):1-7.
[14]高小旺,鲍蔼斌.用概率方法确定抗震设防标准[J].建筑结构学报,1986,7(2):55-63.
[15]夏亚峰,杜永峰,赵宝东.基于两参数损伤模型下剪切型结构抗震可靠性分析[J].甘肃工业大学学报,2003,29 (2):113-116.
[16]赵桂峰,马玉宏,谭平,等.高层RC框架剪力墙隔震结构地震风险分析[J].地震工程与工程振动,2015,35(2):30-38.
备注/Memo
- 备注/Memo:
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收稿日期:2024-01-02
基金项目:广东省普通高校青年创新人才项目(2022KQNCX148);广州科技职业技术大学校级课题(2024LG01)联合资助。
作者简介:刘小换(1990-),女,硕士研究生,讲师,主要从事工程减隔震控制。E-mail:liuxiaohuan410@163.com
更新日期/Last Update:
2024-09-30