720-ton tuned mass damper in skyscraper - GIF, video, and diagram

720-ton tuned mass damper in Taipei 101, a Taiwanese skyscraper that is one of the tallest in the world. Many tall buildings have these, especially those in places prone to earthquakes. This one is rare because it is open to the public.

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https://s3-us-west-1.amazonaws.com/h...er_diagram.jpg

In this 2:15 video, you can see the ball swinging during the 2008 Sichuan earthquake.

https://www.youtube.com/watch?v=NYSgd1XSZXc


More:

https://en.wikipedia.org/wiki/Taipei_101
https://en.wikipedia.org/wiki/2008_Sichuan_earthquake

Previously:

https://www.homemadetools.net/forum/...126#post103364
https://www.homemadetools.net/forum/...2738#post97014

I believe I would rather be in a motion dampened skyscraper than a stick built house during an earthquake.