U.S.
With man-made quakes, engineers test lifesaving technologies
April 17, 2012
April 17, 2012
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CONTINUED...
the five-story building experienced an 8.8 earthquake, moving just inches in each direction.
Inside things barely moved, thanks to giant shock absorbers which protected the building from most of the shaking. It was an unprecedented test of so-called base isolators.
"The ground is moving a lot but the building is staying put," said Jose Restrepo, an engineer at the University of California, San Diego." It's like being hung from the air while the ground moves."
Base isolators have been placed under the Bay Bridge in San Francisco in order to absorb the shock of a major quake.
"This is utterly
the five-story building experienced an 8.8 earthquake, moving just inches in each direction.
Inside things barely moved, thanks to giant shock absorbers which protected the building from most of the shaking. It was an unprecedented test of so-called base isolators.
"The ground is moving a lot but the building is staying put," said Jose Restrepo, an engineer at the University of California, San Diego." It's like being hung from the air while the ground moves."
Base isolators have been placed under the Bay Bridge in San Francisco in order to absorb the shock of a major quake.
"This is utterly
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