Protecting art in an earthquake: seismic isolator technology발음듣기
Protecting art in an earthquake: seismic isolator technology
The heavy, carved, marble sculpture, simulated here, is inherently unstable in an earthquake because of its shape and volume.발음듣기
Without anything to buffer an earthquake's jagged movements, the sculpture would likely topple.발음듣기
The best way to stabilize a sculpture like this one is to isolate it from the ground's movement.발음듣기
Springs provide resistance and act as brakes to restrain, and finally slow the sliding frames.발음듣기
During an earthquake, the assembled frames slide independently on separate horizontal planes.발음듣기
An isolator does not entirely stop an object from moving, instead it dramatically reduces how much the force of an earthquake is transmitted to the object.발음듣기
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