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Taipei 101's Innovative Pendulum Minimizes Earthquake Damage

Taiwan's tallest skyscraper, Taipei 101, utilized a 660-ton tuned mass damper to significantly reduce movement during a 7.4-magnitude earthquake, showcasing engineering prowess.

A general view of the Taipei 101 building in Taipei, Taiwan.
Tuned mass damper or harmonic absorber inside the Taipei 101 skyscraper helps reduce the amplitude of mechanical vibrations to endure against earthquakes
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Overview

  • Taipei 101, once the world's tallest building, survived a 7.4-magnitude earthquake with minimal damage thanks to its 660-ton tuned mass damper, also known as 'Damper Baby'.
  • The tuned mass damper, a steel sphere suspended between the 87th and 92nd floors, can reduce the building's movements by up to 40%, enhancing safety and comfort.
  • The earthquake, the strongest in Taiwan in 25 years, killed at least nine people and damaged over 100 buildings, highlighting the importance of innovative engineering in disaster-prone areas.
  • Taipei 101's design, including deep foundations and reinforced concrete, along with the tuned mass damper, exemplifies advanced anti-seismic techniques.
  • The tuned mass damper has become a popular tourist attraction, demonstrating not only its functional importance but also its appeal as an engineering marvel.