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Full-scale measurements of wind-induced acceleration response of Sydney Tower

Authors
Journal
Engineering Structures
0141-0296
Publisher
Elsevier
Publication Date
Volume
12
Issue
3
Identifiers
DOI: 10.1016/0141-0296(90)90002-a
Keywords
  • Tall Structure
  • Wind-Induced Response
  • Tuned Mass Damper
  • Damping

Abstract

Abstract Two data acquisition systems used to collect data for the evaluation of the wind-induced response of Sydney Tower are described and the results from both systems are presented and compared. The response of the Tower was found to decrease markedly with the installation of a secondary tuned mass damper (TMD). Clearly perceptible acceleration is expected to occur at the top of the Tower, on average, a few times each year. The dominant excitation was found to be in the cross-wind direction and probably due to vortex shedding. There is some evidence that the Tower responds differently to wind blowing from different directions, although more data is required before this can be confirmed.

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