Comparison of deck-anchored damper and clipped tuned mass damper on cable vibration reduction

被引：6
|
作者：
Wu, W. J. [2 ]
Cai, C. S. [1 ]
机构：
[1] Louisiana State Univ, Dept Civil & Environm Engn, Baton Rouge, LA 70803 USA
[2] Mustang Engn, Houston, TX 77084 USA
来源：
STRUCTURAL ENGINEERING AND MECHANICS | 2009年 / 32卷 / 06期
关键词：
cable vibration; TMD damper; viscous damper; system modal damping; transfer function; DISCRETE OIL DAMPERS; ON TMD SYSTEM; 3-DIMENSIONAL VIBRATION; VISCOUS DAMPER; MR DAMPER; SAG; MITIGATION;
D O I：
10.12989/sem.2009.32.6.741
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Excessive cable vibrations are detrimental to cable-stayed bridges. Increasing the system damping of cables is a key solution to resolve this severe problem. Equations representing the dynamic characteristics of an inclined cable with a Deck-Anchored Damper (DAD) or with a Clipped Tuned Mass Dampers (CTMD) are reviewed. A theoretical comparison on the performance of cable vibration reduction between the cable-DAD system and the cable-CTMD systems is thoroughly discussed. Optimal system modal damping for the free vibration and transfer functions for the forced vibration for the two cable-damper systems are addressed and compared in detail. Design examples for these two different dampers are also provided.
引用
收藏
页码：741 / 754
页数：14
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