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High Performance Concrete Propels London Staircase to Award Winner

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The Miles Stair is a 12-foot-wide helix of white concrete that winds through five stories of Somerset House, a cultural center in London. Staircases typically use surrounding walls for support, but the Miles Stair relies on a core built from a latticework of lightweight stainless steel. Engineers managed to pull off this improbable structure because the steps are built from high-performance concrete, which is stronger, lighter and more stable than regular concrete.

Source: An October 14 posting by Scientific American magazine. Read more.

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