Field Tests of Wind-Structure Interaction

by Theodor Krauthammer, Univ of Minnesota, Minneapolis, MN, USA,
Roberto T. Leon, Univ of Minnesota, Minneapolis, MN, USA,
Paul A. Rowekamp, Univ of Minnesota, Minneapolis, MN, USA,



Document Type: Proceeding Paper

Part of: Dynamic Response of Structures

Abstract:

The present study was initiated to investigate the possible causes for excessive lamp failure rates on High Mast illumination towers in the State of Minnesota. The study consisted of two methods of analysis that were combined for obtaining information on the motion of the towers and the luminaries. The first step was to analyze numerically the complete system by employing a finite element code and to compute the motions of the complete system under typical wind conditions at the site for wind velocities between 5 to 60 mph. The second phase consisted of an experimental effort during which one of the illumination towers was instrumented and motion data was collected for various wind conditions. The final phase of the study included the evaluation of the numerical as well as the experimental data that had been obtained from the preceding steps.

Subject Headings: Light (artificial) | Field tests | Motion (dynamics) | Finite element method | Wind forces | Wind engineering | Numerical analysis | Minnesota | United States

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