矩形TLD减振作用的定量分析方法  

A Quantitative Method for Analyzing the Reducing Vibration Effect of Rectangular Tuned Liquid Damper(TLD)

作　　者：王翎羽[1] 陈星[1] 安国亭[1] 徐继祖[1] 孙德刚 

机构地区：[1]天津大学海洋与船舶工程系,渤海石油公司工程部

出　　处：《建筑结构学报》1995年第3期29-36,12,共9页Journal of Building Structures

基　　金：国家自然科学基金

摘　　要：本文孤立分析了矩形ＴＬＤ在基底运动下内部液体的运动和对基底结构的作用，将所得ＴＬＤ对基底结构作用与基底运动的关系直接装配到结构动力平衡方程中求得结构系统在安装ＴＬＤ后在外力作用下的响应。通过以上分析，明确研究ＴＬＤ的减振作用有两条途径，即；１．文献通用的先求解ＴＬＤ内液体的运动，由运动求其对基底结构的作用；２．本文提出的直接测定ＴＬＤ对基底结构的作用。建立ＴＬＤ基底剪力关于基底位移的传递函数的阻尼系数参数的概念和获得的方法，并将阻尼系数定义为衡量ＴＬＤ减振作用性能的参数，以此分析了改善ＴＬＤ减振作用的可能途径和工程近似分析的方法和精度。In this paper,the liquid motion inside a TLD under a bottom motion with its effect to the bottom structure is first separately analyzed.Then the solved relation of the TLD actions to bottom motions is directly fitted to the dynamic equilibrium equation of the structure for solving the responses when it is equipped with TLDs.Through the above analysis,it becomes aware that there are two ways for analyzing the reducing vibration effect of a TLD,i.e.l,the common method as given in the literatures--the liquid motion inside a TLD is first solved,then the action of the TLD is solved from the liquid motion;2,the present method-the action of a TLD is directly measured by experimental means.The transfer function between the bottom shearing force and the bottom displacement and the damping coefficient of a TLD are formulated,the damping coefficient being defined as a parameter to weigh the reducing vibration properties of a TLD. By means of which the available ways to modify the reducing vibration action of a TLD are discussed and an approximate analysis method is then put forward.

关 键 词：调谐液体阻尼器 基底结构 振动 定量分析 

分 类 号：TU317[建筑科学—结构工程]