为了研究相邻建筑物碰撞对其地震反应的影响规律，本文将相邻建筑简化为相邻单自由度体系，提出了碰撞反应谱的概念，碰撞反应谱既可反映碰撞对相邻结构地震响应的影响，也包含了地震动的特征。选取273条地震动记录，在弹性范围内统计分析了不同参数条件下的碰撞力大小和相邻结构地震反应的变化规律。分析表明：相邻结构质量相同时，质量越小，结构碰撞力越小，结构加速度反应越大；相邻结构质量不同时，质量小的结构反应受碰撞影响较大，且质量相差越大，影响越大。地面峰值加速度（PGA）和防震缝宽度对碰撞谱的影响规律相似，即PGA越大、防震缝宽度越小，结构反应越大，反之越小。Ⅳ类场地的地震动作用下，碰撞对相邻结构加速度反应放大效应最小，其他三类场地相差不大。
Abstract
In order to study the effect of pounding between adjacent buildings on their seismic response, adjacent buildings were simplified into adjacent single-degree-of-freedom systems and the concept of pounding response spectrum was proposed. Pounding response spectrum can reflect the impact of pounding on the seismic response of adjacent structures, and also includes the characteristics of ground motion. The pounding force and the seismic response of adjacent structures with different parameters are analyzed statistically in the elastic range under action of 273 ground motion records in high intensity area. The results show that when the mass of adjacent structures is the same, the smaller the mass, the smaller the pounding force and the larger the acceleration response. When the mass of adjacent structures is different, the reaction of structures with low mass is more affected by the pounding, and the greater the mass difference, the greater the impact. The effect of peak ground acceleration(PGA) and seismic joint width on the pounding spectrum is similar, that is, the larger the PGA is, the smaller the seismic joint width is, the larger the structural response is, and the vice versa. Under the action of ground motion in sites of class IV, the acceleration response amplification effect of adjacent structures pounding is the smallest, and the effect is similar under the action of ground motion in the other three types of sites.
关键词
相邻建筑 /
地震碰撞 /
单自由度体系 /
碰撞反应谱
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Key words
adjacent building /
seismic pounding /
single-degree-of-freedom system /
pounding response spectrum
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参考文献
[1] 邹宏德, 蓝宗建. 相邻建筑结构碰撞问题的探讨[J]. 工业建筑, 2002, 32(4): 49-52.
ZOU Hongde, LANG Zongjian. Discussion on structural collision between adjacent buildings[J]. Industrial Construction, 2022, 32(4) : 49-52.
[2] 吴应强.地震作用下相邻钢筋混凝土框架结构碰撞分析[D]. 哈尔滨: 哈尔滨工业大学, 2009.
[3] 孟庆利，徐盛增. 相邻结构地震碰撞研究简述[J]. 世界地震工程, 2003, 19(4): 68-72.
MENG Qingli, XU Shengzeng. A simplified review on the seismic pounding of adjacent buildings[J]. World Earthquake Engineering, 2003, 19(4): 68-72.
[4] Anagnostopoulos S A. Pounding of buildings in series during earthquakes[J]. Earthquake Engineering & Structural Dynamics,1988,16(3): 443-456.
[5] Papadrakakis M, Mouzakis H P, Alevridis A S. Three dimensional non-linear analysis of building pounding during earthquakes[C]//1st International Conference on Earthquake Resistant Engineering Structures, Thessaloniki, 1996.
[6] Gregory C, Rajesh D, Athol C, et al. An investigation of the effects of mass distribution on pounding structures[J]. Earthquake Engineering and Structural Dynamics, 2011, 40(6):641-659.
[7] 戴靠山, 罗翔, 吕洋, 等.带连廊的相邻建筑基础隔震改造碰撞危险性分析[J]. 工程科学与技术, 2019, 51(05): 9-16.
DAI Kaoshan, LUO Xiang, LYU Yang, et al. Collision Risk Analysis of Base-isolation Retrofitted Adjacent Buildings Connected by a Corridor Bridge[J]. Advanced Engineering Sciences, 2019, 51(05): 9-16.
[8] Karayannis C G, Naoum M C. Torsional behavior of multistory RC frame structures due to asymmetric seismic interaction[J]. Engineering Structures, 2018, 163:93-111.
[9] Shehata E A R, Mohammed Y M F, Aly G A S, et al. Numerical simulation of potential seismic pounding among adjacent buildings in series[J]. Bulletin of Earthquake Engineering,2019,17(1): 439-471.
[10] 冯晓九, 丁琪, 许桦楠, 等.地震激励下相邻建筑结构碰撞动力响应分析[J]. 常州大学学报(自然科学版), 2018, 30(2): 77-86.
FENG Xiaojiu, DING Qi, XU Huanan, et al. Analysis of structure response of seismic pounding for adjacent building structures[J]. Journal of Changzhou University(Natural Science Edition), 2018, 30(2):77-86.
[11] 王涛. 简化地震激励下相邻结构基于量纲分析的碰撞反应研究[D]. 武汉：武汉工程大学, 2019.
[12] 蒋禹. 基于黏弹性碰撞理论的相邻建筑碰撞研究[D]. 哈尔滨：哈尔滨工程大学, 2019.
[13] Michele P, Stefano S. Damping reduction factors for adjacent buildings connected by fluid-viscous dampers[J]. Soil Dynamics and Earthquake Engineering, 2020, 138: 106323.
[14] XU L L, CUI Y L, WANG Z L. Active tuned mass damper based vibration control for seismic excited adjacent buildings under actuator saturation[J]. Soil Dynamics and Earthquake Engineering, 2020, 135: 106181.
[15] Ok S-Y. Tuned mass damper asymmetric coupling system for vibration control of adjacent twin buildings[J]. Advances in Structural Engineering,2020,23(5) :954-968.
[16] LONG H, WANG Z C, ZHANG C S, et al. Nonlinear study on the structure-soil-structure interaction of seismic response among high-rise buildings[J]. Engineering Structures, 2021, 242: 112550.
[17] Favvata M J, Karayannis C G. Non-linear static versus dynamic analyses for the interaction of structures[C]// 7th European Conference on Structural Dynamics. Southampton. 2008.
[18] Jeng V, Tzeng W L. Assessment of seismic pounding hazard for Taipei City[J]. Engineering Structures, 2000, 22(5): 459-471.
[19] Susendar M, Reginald D. A hertz contact model with non-linear damping for pounding simulation [J]. Earthquake Engineering and Structural Dynamics, 2006, 23:811-828.
[20] Jankowski R. Non-linear viscoelastic modeling of earthquake-induced structural pounding[J]. Earthquake Engineering and Structural Dynamics, 2005, 34(6): 595-611.
[21] Van M J, Pruijssers A F, Reinhardt H W, et al. Load–time response of colliding concrete bodies [J]. Journal of Structural Engineering( ASCE), 1991, 117: 354-74.
[22] YE K, LI L, ZHU H P. A note on the Hertz contact model with nonlinear damping for pounding simulation[J]. Earthquake Engineering and Structural Dynamics, 2009, 38: 1135-1142.
[23] 卢明奇, 杨庆山. 地震作用下相邻结构的防震缝宽度确定方法[J]. 中国石油大学学报, 2012, 36(1): 145-149.
LU Mingqi, YANG Qingshan. Method for determining seismic gaps width of adjacent structures subjected to earthquakes[J]. Journal of China University of Petroleum, 2012, 36(1): 145-149.
[24] 建筑抗震设计规范 GB50011-2010. 北京：中国建筑工业出版社, 2016.
[25] 建筑抗震设计规范 GB50011-2001. 北京：中国建筑工业出版社, 2008.
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