Improving Floor Vibration Performance Using Interstitial Columns

Lightweight, long-span steel office floors of both new and old construction are commonly susceptible to objectionable footfall-induced vibrations. Frequently, older buildings are renovated for newer purposes that require the removal of partitions that had previously provided some vibration control through added structural damping and stiffness. It can be prohibitive, both economically and operationally, to either retrofit the original structure …