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Comparison of Predicted and Measured Dynamic Behavior of Allied Bank Plaza

by R. Halvorson, Skidmore, Owings & Merrill, Houston, TX, USA,
N. Isyumov, Skidmore, Owings & Merrill, Houston, TX, USA,



Document Type: Proceeding Paper

Part of: Building Motion in Wind

Abstract:

Structural engineering aspects of a monitoring program to measure Allied Bank Plaza tower's dynamic response to wind are presented. In particular, field data developed during Hurricane Alicia is analyzed to provide information on the behavior of a significant high-rise tower under conditions approaching the design wind loadings, as well as to evaluate the state-of-the-art in structural analysis, design, and wind tunnel methods. The measured response of the tower is evaluated to determine acceleration levels experienced, contributions of model responses to total response, measured fundamental periods as related to effective tower stiffness/mass, total damping experienced, and deduced wind loads are compared to loads determined by code and the wind tunnel. Conclusions are drawn as to the validity of present structural analysis/design methods, and suggestions for further studies are recommended.

Subject Headings: Data analysis | Wind tunnel | Wind loads | Dynamic structural analysis | Structural behavior | Comparative studies | Urban areas

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