The Long Beach International Gateway, previously the Gerald Desmond Bridge, was the first long-span cable-stayed bridge built in California. Completed in 2020, this bridge used 34 fluid viscous dampers as part of the seismic system. These dampers, which are located between the deck and the towers as well as between the deck and the end bents, are equipped with shear fuses to prevent movement from low level vibrations caused by traffic, protecting the dampers’ seals from premature wear. When the design seismic event occurs, the fuses will break free, allowing the FVDs to move freely, thereby dissipating energy and protecting the bridge.
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