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Civil and Architectural Engineering

College of Engineering and Applied Science

Flat-bar Impact Damper



An impact damper consisting of a flat steel bar and a 10 lb (4.5 kg) steel weight was secured to the mast arm. When the mast arm oscillates in plane, the weight oscillates and impacts a steel bar mounted to the mast arm. This impact dissipates energy and provides a damping effect.

flatbar


Damping Results


In-Plane Response

Non-retrofitted Pole

LBB

Retrofitted Pole

371

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