Seismic Performance of Base-Isolated Building Structures

by T. Jeff Guh, Nabih Youssef & Associates,
Nabih Youssef, Nabih Youssef & Associates,

Document Type: Proceeding Paper

Part of: Structural Engineering in Natural Hazards Mitigation


The theories and assumptions behind the base isolation technology are briefly described. As an illustration of its application, the base isolation of an existing 12-story hospital in Long Beach, California is discussed. Using inelastic dynamic time history analysis, comparisons are made between the potential seismic performance of the existing fixed base structure and that of the isolated retrofit.

Subject Headings: Base isolation | Seismic tests | Seismic design | Health care facilities | Earthquake resistant structures | Rehabilitation | Dynamic structural analysis | California | United States

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