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

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

Document Type: Proceeding Paper

Part of: Structural Engineering in Natural Hazards Mitigation:

Abstract: 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: Rehabilitation | Seismic tests | Seismic effects | Earthquake resistant structures | Ground motion | Masonry | Damage (structural) | Earthquakes | North America | California | United States

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