tuned mass damper

American  

[toond mas damp-er] / ˈtund ˈmæs ˈdæmp ər /

noun

plural

tuned mass dampers

1. a device installed in a building or other structure that absorbs and dissipates vibrations that would otherwise damage the structure.

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Example Sentences

“The 800-tonne tuned mass damper helps,” says Chris Sharples of SHoP Architects, the firm responsible for the design, referring to the gigantic weight at the top of the tower that will help to stabilise the building.

From The Guardian

Designed by SHoP Architects, it will have an 800-ton tuned mass damper. 

From New York Times

One type, called a tuned mass damper, is made of steel or concrete, weighs anywhere from 300 to 800 tons and is housed with other mechanical equipment at the top of the building.

From New York Times

While at the top, take a good look at the steel pendulum hanging in the center; the world’s largest and heaviest tuned mass damper, it stabilizes the tower against large lateral movements from tropical winds and earthquakes.

From New York Times

Rather than reinforcing the building with lots of new concrete, which would be expensive and change its physical features, the designers built a 1.2 million-pound steel weight that sits on flexible bearings — known as a tuned mass damper.

From New York Times