1/19/2010

Several buildings on the West Coast have been constructed using "sleeved column" braces, apparatuses that surround, but do not touch, a core of high-performance structural steel. The sleeve appears to absorb the energy, and the brace doesn't buckle. An agreement among the inventor of the brace and two companies has brought the price down, and the more floors the devices are used on, the lower the cost.

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