Report and Summary of ATC-31?Evaluation of the Performance of Seismically Retrofitted Buildings

by Onder Kustu,
Robert A. Bruce,
Christopher Rojahn,

Document Type: Proceeding Paper

Part of: Structural Engineering in Natural Hazards Mitigation


Structural and damage data for seismically retrofitted buildings affected by the October 1, 1987 Whittier Narrows and October 17, 1989 Loma Prieta, California earthquakes were collected and evaluated. The study confirmed that improved damage performance is achieved by thorough retrofitting of URM and tilt-up buildings and that arbitrary and incomplete retrofitting of these types of buildings does not significantly improve their performance when subjected to large earthquake ground motions.

Subject Headings: Earthquake resistant structures | Rehabilitation | Seismic tests | Seismic effects | Earthquakes | Masonry | Ground motion | California | United States

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