Cable Damper Bracing for Partial Seismic Rehabilitation

Abstract eng:
A seismic rehabilitation method which involves minor on-site construction work without requiring the use of heavy equipment and disruptive noise is developed. The system consists of eccentrically connected elastic cables and a central energy dissipater (CED), where all cables are intended to be in tension under lateral loads so that the system dissipates energy through a bi-linear hysteresis curve. The CED dissipates energy through the cyclic bending of steel plates which are replaceable after severe earthquake event. The system cab be assembled onsite and is easily connected to existing framing using high strength bolts, turnbuckles and padeyes.

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