以带肋楼板为质量块形式的TMD设计方法研究

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振动与冲击 ›› 2017, Vol. 36 ›› Issue (16) : 166-175.

论文

裴星洙1，孙健杰2

作者信息 +

Study on the design method of TMD with ribbed floor as the mass

PEI Xing-zhu1，SUN Jian-jie2

Author information +

文章历史 +

摘要

为了不额外增大结构自重，同时又能将TMD原理很好的应用于高层建筑结构地震反应控制，本文提出以带肋楼板的恒载和活荷载换算为子结构的质量、设置在主梁（包括次梁）和带肋楼板之间的橡胶隔震垫的抗侧刚度和阻尼代替子结构的弹簧和阻尼器的一种TMD体系。考虑该TMD的高层建筑为研究对象，建立振动微分方程，利用自编程序进行地震反应弹塑性时程分析，讨论该体系的合理性和可行性。基于定点理论的思想对TMD的设计方法进行研究。在多种地震动作用下，分别计算原结构与消能减震结构的地震反应，并对比两者的耗能情况。考虑TMD设置位置对消能结构地震反应的影响，分析该TMD在实际工程中实施的可行性和方案，最终提出简单有效的TMD设计方法-定点理论修正法。基于该方法并运用算例模型进行计算分析，结构运用该方法后具有较好的消能减震效果，故定点理论修正法是合理可靠的。

Abstract

In order not to increase the weight of the structure, and make the TMD principle well applied to the structural seismic response control of tall building .This paper presents a TMD system. In this system, dead loads and live loads of ribbed floor are converted into the quality of substructure and lateral stiffness and damping of rubber isolation pad set in the main beam (including beam) and ribbed slab replace the spring and damper of substructure. Based on the study of rise building with TMD , vibration differential equations and computer programs are established for elastic-plastic time history analysis and the rationality and feasibility of the system is discussed. Research on design method of TMD based on fixed point theory. Calculate the seismic responses of original structure and energy dissipation structure under a variety of earthquake actions and compare the energy distribution. By considering the effect of the TMD location on energy dissipation structure seismic response and analyzing the feasibility and scheme of the TMD used in practical engineering, finally a simple and effective design method of TMD is presented- the theory of fixed point correction method. Based on this method , case models are used to calculate and analyze. It is proved that structure using this method has better effect of energy dissipation and the theory of fixed point correction method is reasonable and reliable .

导出引用

裴星洙1，孙健杰2. 以带肋楼板为质量块形式的TMD设计方法研究[J]. 振动与冲击, 2017, 36(16): 166-175

PEI Xing-zhu1，SUN Jian-jie2. Study on the design method of TMD with ribbed floor as the mass[J]. Journal of Vibration and Shock, 2017, 36(16): 166-175

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