滑移隔震系统隔震层质量对隔震效果的影响研究
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摘要
介绍了平面滑移隔震系统的计算模型,从能量的角度引出了隔震率的概念,以期通过对隔震率这一参数的研究来分析隔震层滑块的质量对滑移隔震系统隔震效率的影响关系。研究表明,隔震层滑块的质量对滑移隔震系统的隔震效果有着较大的影响,且其影响的程度和方式会随着外部激励的不同而不同。
A calculation model for the plain sliding base-isolated system in building structures was introduced.The concept of isolation rate was proposed in form of energy in order to analyze the influence of the isolation layer slider mass on the system effectiveness.Studies show that the slider mass has a great effect on isolation effectiveness for plain base-isolated system of building structure.The amplitude and way of the influence is associated with external excitations.
A calculation model for the plain sliding base-isolated system in building structures was introduced.The concept of isolation rate was proposed in form of energy in order to analyze the influence of the isolation layer slider mass on the system effectiveness.Studies show that the slider mass has a great effect on isolation effectiveness for plain base-isolated system of building structure.The amplitude and way of the influence is associated with external excitations.
引文
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[2]陆伟东,吴晓飞,刘伟庆.基础隔震和非隔震结构模型振动台试验对比研究[J].建筑结构,2012,42(4):34-37.Lu Weidong,Wu Xiaofei,Liu Weiqing.Research on shaking table test of base isolation and ordinary structure[J].Building Structure,2012,42(4):34-37.(in Chinese)
[3]翁大根,高峰.建筑加(插)层改造工程中的隔震消能体系[J].结构工程师,2009,25(1):109-118.Weng Dagen,Gao Feng.An energy isolation and dissipated structural system in floor-adding and retrofitting engineering[J].Structural Engineers,2009,25(1):109-119.(in Chinese)
[4]陈小玲.基于隔震支座的连续梁桥隔震效果研究[J].交通标准化,2012,(9):60-62 Chen Xiaoling.Isolating affection of continuous beam bridge based on isolation bearing[J].Transport Standardization,2012,(9):60-62.(in Chinese)
[5]赵阳,翁大根,任晓崧,等.复摩擦摆支座应用于楼面隔震研究[J].结构工程师,2012,28(1):73-81 Zhao Yang,Weng Dagen,Ren Xiaosong,et al.Study on floor isolation with multiple friction pendulum system[J].Structural Engineers,2012,28(1):73-81.(in Chinese)
[6]刘海卿,邵志娇.土-结构相互作用对铅芯橡胶支座隔震效果的影响[J].地震工程与工程震动,2010,(3):161-165.Liu Haiqing,Shao Zhijiao.Influence of soil-structure dynamic interaction on isolation effect of lead-rubber bearing[J].Earthquake Engineering and Engineering Vibration,2010,(3):161-165.(in Chinese)
[7]刘怡鹏,辛灏辉,陈宏敏,等.高层建筑顶部旋转结构地震响应及隔震措施研究[J].结构工程师,2011,27(5):129-134 Liu Yipeng,Xin Haohui,Chen Hongmin,et al.Seismic response and seismic isolation mechanism of a top rotational system in a high-rise structure[J].Structural Engineers,2011,27(5):129-134.(in Chinese)
[8]范夕森,任淑贞,张鑫.滚轴-橡胶支座组合系统隔震结构的地震反应分析[J].工程力学,2011,28(A02):171-175 Fan Xiseng,Ren Shuzhen,Zhang Xin.Seismic response analysis of isolated structure under roller-rubber bearing combined system[J].Engineering Mechanics,2011,28(A02):171-175.(in Chinese)
[9]孙敏,白杨,牛勇.基于能量法的隔震效果的研究[J].中原工学院学报,2007,18(1):47-50 Sun Min,Bai Yang,Niu Yong.The study of the isolation effectiveness based on the energy law[J].Journal of Zhongyuan Institute of Technology,2007,18(1):47-50.(in Chinese)
[10]Yang Y B,Lee T Y,Tsai I C.Response of multi-degree-of freedom structures with sliding supports[J].Earthquake Engineering and Structural Dynamics,1990,19(5):739-752.
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