Frontiers of Architecture and Civil Engineering in China

, Volume 1, Issue 1, pp 51–62

Control of wind-induced vibration of long-span bridges and tall buildings

Research Article

DOI: 10.1007/s11709-007-0005-3

Cite this article as:
Gu, M. Front. Archit. Civ. Eng. China (2007) 1: 51. doi:10.1007/s11709-007-0005-3

Abstract

With the rapid increase in scales of structures, research on controlling wind-induced vibration of large-scale structures, such as long-span bridges and super-tall buildings, has been an issue of great concern. For wind-induced vibration of large-scale structures, vibration frequencies and damping modes vary with wind speed. Passive, semiactive, and active control strategies are developed to improve the wind-resistance performance of the structures in this paper. The multiple tuned mass damper (MTMD) system is applied to control vertical bending buffeting response. A new semiactive lever-type tuned mass damper (TMD) with an adjustable frequency is proposed to control vertical bending buffeting and torsional buffeting and flutter in the whole velocity range of bridge decks. A control strategy named sinusoidal reference strategy is developed for adaptive control of wind-induced vibration of super-tall buildings. Multiple degrees of freedom general building aeroelastic model with a square cross-section is tested in a wind tunnel. The results demonstrate that the proposed strategies can reduce vibration effectively, and can adapt to wind-induced vibration control of large-scale structures in the uncertain dynamic circumstance.

Keywords

long-span bridgetall buildingwind-induced vibrationtuned mass damper(TMD)multiple tuned mass damper (MTMD)semiactive tuned mass damperadaptive feedforwardsinusoidal reference strategywind tunnel test

Copyright information

© Higher Education Press and Springer-Verlag 2007

Authors and Affiliations

  1. 1.State Key Laboratory for Disaster Reduction in Civil EngineeringTongji UniversityShanghaiChina