The
Richmond San Rafael Bridge
benefits from isolation
as forces can be redistributed
throughout the structure.
Without isolation the
significant height differences
of the piers would cause
the shorter, stiffer piers
to attract the majority
of the lateral force.
The structure required
a higher than normal level
of initial strength because
of high wind loads. DIS
designed and built 55
inch diameter isolators
with three 11 inch diameter
lead cores. |
