Blog Archives

Vibration Control of a Concrete Cantilever Pier Using Tuned Mass Dampers

The feature article of the August 2018 issue of the Structure Magazine titled “Reclaiming the Waterfront” is about the City of Vancouver, Washington’s new development along the Columbia River with the Grant Street Pier as its centerpiece. The focal point
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Vibration Control of Long Span Balcony Using a Tuned Mass Damper

The balcony inside an up-scale large custom-built, single-family residence, overlooking the large open area of floor below had an unacceptable vibratory attribute. The balcony is supported by a long, wide flange (W21) steel beam that supports approximately 600 square feet
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Monumental Staircase Vibration Abatement Using a Tuned Mass Damper

Monumental, aesthetically pleasing staircases are getting incorporated more and more in the architectural design of institutional and commercial buildings. Monumental staircases frequently cause vibration serviceability issues. This is due to their complex shapes, and long spans, slenderness, and lack of
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Vibration Control of a Pharmaceutical Laboratory Floor System Using Stiffening and Tuned Damping

Based on extensive numerical modeling and measurements the acoustics consultant of the project recommended the stiffening of the frames along with tuned damping of 5 bays of the floor system of a Pharmaceutical laboratory. The floor vibration criterion used was
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Multi-mode vibration Control of a Floor System Using Tuned Mass Dampers

The floor system of a large room at the 3rd floor administration building of a large university with the square footage of around 1760 ft^2s consists of 3 bays exhibited excessive walking-induced floor vibration. This composite floor system is made
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