Loquis: Millennium Bridge

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Millennium Bridge

  loquis

Published on:  2020-04-29 09:30:00

  Discovery

Officially known as the London Millennium Footbridge, it is a steel suspension bridge for pedestrians crossing the River Thames in London, England, linking Bankside with the City of London. It is located between Southwark Bridge and Blackfriars Railway Bridge. Construction began in 1998, and it initially opened in June 2000. Londoners nicknamed the bridge the "Wobbly Bridge" after pedestrians experienced an alarming swaying motion. The bridge was closed later on opening day and, after two days of limited access, for almost two years while modifications were made to eliminate the motion. The southern end of the bridge is near the Globe Theatre, the Bankside Gallery, and Tate Modern, while the northern end of the bridge is next to the City of London School below St Paul's Cathedral. The bridge alignment is such that a clear view of St Paul's south façade is presented from across the river, framed by the bridge supports. The bridge's movements were caused by a 'positive feedback' phenomenon, known as synchronous lateral excitation. The natural sway motion of people walking caused small sideways oscillations in the bridge, which in turn caused people on the bridge to sway in step, increasing the amplitude of the bridge oscillations and continually reinforcing the effect.

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