About the author  ⁄ Ray C. Minor, M.S.Eng., P.E.

Ray C. Minor, M.S.Eng., P.E., is a consulting engineer. He has served on a number of committees in the aluminum pole design and welding community. He can be reached at rayminor@comcast.net.

Wind-induced vibration is an ever-present issue in lighting support design. It can cause seemingly magical movement of lighting poles, even when no storm or extreme wind event is present. Engineers recognize this “pole dance” as resonance. When there is too much of it at high amplitudes of deformation, the structure has a high likelihood of failing.

Read More →
STRUCTURE magazine