Rocking Steel Braced Frame Can Lift and Tilt (IMAGE)

Case Western Reserve University

Rocking Steel Braced Frame Can Lift and Tilt

Caption

Computer modeling shows this alternative design for a three-story building frame suffers less damage than current designs used in earthquake-prone areas. Columns of the steel-braced frame are tethered to the foundation by viscous damping and steel-yielding devices that allow the building to rock during a quake. The devices stretch and compress, dissipating seismic energy.

Credit

Michael Pollino

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