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耗能减振结构的抗震设计方法

ASEISMIC DESIGN METHODS OF PASSIVE ENERGYDISSIPATION SYSTEMS

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【作者】 欧进萍吴斌龙旭

【Author】 Ou Jinping Wu Bin Long Xu(Harbin University of Architecture and Civil Engineering, Harbin 150001, China)

【机构】 哈尔滨建筑大学

【摘要】 本文基于国内外耗能减振装置的性能试验和耗能减振结构的计算研究并结合我国正在修订的建筑结构抗震规范,提出了耗能减振结构抗震设计的统一方法。首先,提出了速度相关型线性耗能器和滞变型耗能器等效阻尼和刚度的计算方法;其次,通过大量的计算和比较,研究了耗能减振结构非正交阻尼阵强行解耦的精度和实际应用的可行性,提出了在结构地震反应分析的振型分解反应谱法中耗能器可统一归结为结构附加振型阻尼比的方法;第三,通过耗能减振结构弹性和弹塑性地震反应分析方法的提出,将耗能减振结构的抗震设计转化为普通结构的抗震设计;最后,给出了耗能减振结构抗震设计的实例。

【Abstract】 ln this paper, bascd on perfonnance experiznents of energy dissipation devices and numeric research on passive energy dissipation systnaes at honae and abroad, combined with Chinese aseismdc design code being revised, an uniform aseisadc desgin method of structures with energy dissipation devices is presented. First of all, cornputational meth- ods of equivalent damping and stiffness of velocity-dependent and hysteretic energy dissipators are establised. Seodndly, accuracy and feasibility of forcing decoupling method of non-classical daraping natrix of energy dissipation systems are analyzed. A modal deooupling response spectra method in which energy dissipatom can be oonsidered to provide additional modal damping ratio of structures is presented. Thirdly, design process of energy dissipation structures is transformed to that of common structures, based on establishment of analyzing methods-of elastic and elastoplastic seismic response of energy dissipation systems. Finally, some aseismic design examples of energy dissipation systems are presented.

【基金】 国家和黑龙江省杰出青年科学基金
  • 【文献出处】 地震工程与工程振动 ,EARTHQUAKE ENGINEERING AND ENGINEERING VIBRATION , 编辑部邮箱 ,1998年02期
  • 【分类号】TU35
  • 【被引频次】281
  • 【下载频次】1499
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