设置TMD、TLD控制系统的高层建筑风振分析与设计方法

WIND INDUCED VIBRATION ANALYSES AND DESIGN METHODS OF TALL BUILDINGS WITH TUNED MASS DAMPERS OR TUNED LIQUID DAMPERS

本文结合我国现行风荷载规范,研究设置TMD、TLD控制系统的高层建筑风振分析与抗风设计的实用方法。首先,将TMD、TLD系统的风振控制效果归并到了受控结构的风荷载折减上;其次,导出了满足舒适度标准的结构动侧移界限和相应的计算公式;第三,比较了TMD、TLD系统的控制效果以及分别对高层钢和钢筋混凝土结构的控制效果;最后,通过大量的计算和分析,分别确定了TMD、TLD系统参数的最佳取值区间以及参数之间的最佳匹配关系。

In this paper,the practical methods of wind -induced vibration analyses and wind -resistance design for tall buildings with tuned mass dampers or tuned liquid dampers are studied in the light of the Current Wind Loads Code of Building Design in China. The first of all,the control effect of TMD or TLD system on the wind - induced vibration response is changed into the reduction of wind loads. Secondly,the boundary and formula of maximum dynamic displacement corresponding to the comfort criterion of tall building are derived. Thirdly,a comparison of the control effect of TMD and TLD systems respectively upon steel and reinforced concrete tall buildings is made . Finally the optimum intervals and optimum match relations of parameters in TMD and TLD systems are determined by a lot of calculation and analyses.