Protecting art in an earthquake: seismic isolator technology

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Protecting art in an earthquake: seismic isolator technology발음듣기

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What might happen to a fragile work of art during a major earthquake?발음듣기

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The heavy, carved, marble sculpture, simulated here, is inherently unstable in an earthquake because of its shape and volume.발음듣기

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Without anything to buffer an earthquake's jagged movements, the sculpture would likely topple.발음듣기

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Even bolting it to a base, however, would not necessarily protect it during an earthquake.발음듣기

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The best way to stabilize a sculpture like this one is to isolate it from the ground's movement.발음듣기

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The sculpture is bolted to a base constructed of three individual frames.발음듣기

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The top two frames slide on rollers, to absorb and defuse the earth's movement.발음듣기

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Springs provide resistance and act as brakes to restrain, and finally slow the sliding frames.발음듣기

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During an earthquake, the assembled frames slide independently on separate horizontal planes.발음듣기

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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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The Getty Museum developed this technology and shares it worldwide.발음듣기

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The result is works of art that are protected, for all to enjoy.발음듣기

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