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 Out-of-Plane Response

Retrofitted Pole Retrofitted Pole