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The use of helical spring and fluid damper isolation systems for bridge structures subjected to vertical ground acceleration
Seismic isolated structures dynamic analysis vertical motion helical spring
2009/2/20
In this study a combination of helical springs and fluid dampers are proposed as isolation and energy dissipation devices for bridges subjected to earthquake loads. Vertical helical springs are placed...
SEISMIC PERFORMANCE OF SLIDING ISOLATION BEARINGS DURING VERTICAL MOVEMENT OF BRIDGE GIRDERS
sliding bearings friction coefficient impact tests uplift PTFE
2008/12/25
The behavior of sliding isolation bearings with respect to vertical movement due to earthquake excitation is investigated through experiments and simulations. Bridge girders may undergo vertical moti...