The Structural Engineering Channel Tuned Mass Dampers: The Silent Guardians of Bridges and Buildings – Ep 120
Jan 11, 2024
In this episode, Shayne Love, technical director at Motioneering Inc., talks about tuned mass dampers and their application in structures like bridges and skyscrapers. Topics discussed include wind engineering, challenges in structural motion, design solutions, inspection and maintenance of tanks and dampers, and career advice in structural dynamics.
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Tacoma Narrows Bridge Collapse
- The Tacoma Narrows Bridge collapsed in 1940 due to wind-induced oscillations, not hurricane-force winds.
- This highlights the importance of considering dynamic responses in structural design.
Impact of Structural Motion
- Structural motion impacts building integrity beyond catastrophic failure, affecting serviceability.
- Issues include occupant comfort, creaking noises, and even elevator functionality due to cable sway.
Taipei 101 and the TMD Revolution
- Taipei 101, once the world's tallest building, showcased its 600-ton tuned mass damper as a feature.
- This shifted the perception of dampers from a fix for flawed designs to an accepted performance enhancer.