Destroying one floor at a time
Posted 11.25.2008 at 2:16 pm
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In congested cities like Tokyo, there’s barely room to swing a wrecking ball, and neighbors hate the caustic dust that implosions kick up. So the Japanese construction company Kajima developed a tidier technique, which it first used this past spring to take down a 17-story and a 20-story office tower: Knock out the ground floor, lower the building on computer-controlled hydraulic jacks, and repeat.
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