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橡胶隔震支座的统一力学模型

DOI: 10.13197/j.eeev.2014.02.167.zhangzx.022, PP. 167-171

Keywords: 隔震橡胶支座力学模型,位移相关,加载历史相关,竖向力相关,高阻尼橡胶隔震支座,Koh-Kelly模型

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Abstract:

基础隔震作为一种有效的结构抗震技术,在近二十年得到了广泛的应用,而橡胶隔震支座作为常用的隔震设备,其力学性能对基础隔震结构的地震响应分析有重要影响。首先,本文提出了一种宏观滞回模型用于描述支座在水平方向加载的力学性能并通过实验验证了该模型的正确性,该滞回模型可以反映加载位移相关性和加载历史相关性对支座力学性能的影响;而后,本文将该滞回模型引入Koh-Kelly模型的框架内,提出一种力学模型用于描述支座竖向承载力和水平刚度之间的耦联效应;最后,本文在ABAQUS有限元软件中进行了橡胶隔震支座力学模型二次开发,并通过数值算例对比支座在不同竖向荷载作用下的力学行为。

References

[1]  朱 昆.高阻尼橡胶支座力学性能及其隔震效果分析研究[D].武汉:华中科技大学, 2009. ZHU Kun.Study of mechanical properties and isolation effect analysis of high damping rubber bearings[D].Wuhan:Huazhong University of Science and Technology, 2009.(in Chinese)
[2]  Ozdemir, H.Nonlinear transient dynamic analysis of yielding structures.[D]. Berkeley, Calif: University of California, Berkeley, 1973.
[3]  GB 50011-2010建筑抗震设计规范[S].北京:中国建筑工业出版社, 2010. GB 50011-2010 Code for Seismic Design of Buildings[S].Beijing:China Building Industry Press, 2010.(in Chinese)
[4]  Buckle I, Nagarajaiah S, Ferrell K. Stability of elastomeric isolation bearings: experimental study[J]. Journal of Structural Engineering, 2002. 128(1): 3-11.
[5]  Kelly J M. Earthquake-resistant design with rubber[M]. London: Springer-Verlag, 1997.
[6]  Ryan K, Kelly J, Chopra A. Nonlinear model for lead-rubber bearingsIncluding axial-load effects[J]. Journal of Engineering Mechanics, 2005. 131(12): 1270-1278.
[7]  Ryan K L.Estimating the seismic response of base-isolated buildings including torsion, rocking, and axial-load[D].America:University of California.Berkeley, 2004.
[8]  Skinner R I, Robinson W H, McVerry G H.工程隔震概论[M].北京:地震出版社, 1996. Skinner RI, Robinson WH, McVerry G H.An introduction to seismic isolation[M].Beijing:Seismdogical Press, 1996.(in Chinese)
[9]  Kikuchi M, Aiken I D. An analytical hysteresis model for elastomeric seismic isolation bearings[J]. Earthquake Engineering & Structural Dynamics, 1997, 26(2): 215-231.
[10]  Tsai C S, et al. An advanced analytical model for high damping rubber bearings[J]. Earthquake Engineering & Structural Dynamics, 2003. 32(9): 1373-1387.

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