On Aseismic Hybrid Control Systemby J. N. Yang, George Washington Univ, United States,
D. Wong, George Washington Univ, United States,
Abstract: One type of hybrid control system is proposed for protecting tall buildings subjected to strong earthquakes. The hybrid system consists of a base isolation system connected to either a passive or active mass damper. The base isolation system such as elastomeric bearings, is used to decouple the horizontal ground motions from the building, whereas the mass damper is proposed to protect the base isolation system from excessive deformation and damage. Theoretical investigations indicate that the proposed hybrid control system is effective in reducing the response of tall buildings under strong earthquakes.
Subject Headings: Base isolation | Control systems | Hybrid methods | Ground motion | Damping | Equations of motion | Earthquakes | Structural systems
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