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ANZ Tower
Auckland, New Zealand
The swaying motion is
distorted intentionally by a factor of over 10 times in this
simulation to help us understand what is happening to the building.
The movement would be up to 400mm at the top of the structure.
The earthquake data
used is from El Centro, California, 1940 (7.4 on the Richter
Scale)
With the advancement
in computer power the analysis of this building takes approximately
10 minutes. In 1989 when the first designs were being simulated
the analysis took three days on a mainframe computer.
The ANZ Tower is a 40
level commercial office building including 6 levels under the
ground. It was completed in 1991. |