防晃水箱控制高层建筑风振响应研究  

STUDY ON WIND-INDUCED RESPONSE CONTROL OF TALL BUILDING USING BAFFLED WATER TANK

作　　者：梁波[1] 何华[1] 唐家祥[1] 

机构地区：[1]华中科技大学土木工程学院,武汉430074

出　　处：《噪声与振动控制》2001年第4期11-14,7,共5页Noise and Vibration Control

摘　　要：防晃水箱作为一种新型调谐流体阻尼器 ,是在一般水箱内安置环形防晃板 ,在高层建筑顶部设置这种水箱可以增加阻尼 ,减小建筑物的振动响应。本文应用数值模拟技术对高层建筑物的顺风向和横风向风载进行了时程模拟 ,考虑了水箱和结构间的动力耦合作用 ,分析了水箱对高层建筑物风响应的控制作用 ,为强风下研究高层建筑物的舒适性和安全性提供了一个有效的分析过程 。Tuned liquid dampers (TLD)installed at tall buildings can suppress dynamic responses of buildings.This paper presents a new type of tuned liquid damper,comprising a cylindrical rigid tank with anti sloshing baffles fixed to its inner surface to increase liquid slosh damping.The fluctuating wind loads acting on a tall building in along wind and across wind are simulated in the time domain.The interaction between the water tank and the building is considered,and the water tank on wind induced response of tall building is studied.The procedure presented here provides an effective method for checking the serviceability and survivability limit state of wind induced motion of tall building,and provides theoretical basis to design the water tank rationally.

关 键 词：防晃水箱 动力响应 风致振动 时域分析 振动控制 高层建筑 

分 类 号：TU973.213[建筑科学—结构工程] TU312.1