Comparison of a Cantilever Sign Support Response Subjected To Wind Gusts, With and Without a Tmd

Abstract eng:
This work presents a comparative study of the response of a highway cantilever sign support when subjected to natural winds, with and without a TMD. The paper starts with a brief summary of wind effects on cantilevered support signs. A methodology for simulating natural wind histories for in-service behavior of these structures is presented. The numerical model used in the current work, suggests that this model will be able to capture important aspects of the dynamic response of the sign support structure. The study only evaluated the structural response of the cantilevered sign support to natural winds gusts applied on the frontal surface of the signboard (out-plane behavior). Concerning the application of TMD, it was concluded that this device is proving to be effective in terms of displacement and acceleration reductions when the structure is subjected to series of artificially generated naturalawinds.

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