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Elastomeric Pad Damper
An elastomeric pad was placed between the mast arm base plate and the base plate of the box connection. The elastomeric pad was 1/2 in. (13 mm) thick and was fabricated by Fabreeka International. The durometer hardness of the elastomeric pad was 80 Shore "A" Durometer average (as given by the manufacturer).
Damping Results
In-Plane Response |
Non-retrofitted Pole  Non-retrofitted Pole  |
In-Plane Response |
Retrofitted Pole  Retrofitted Pole  |