Collapse Behavior of Pino Suarez Building During 1985 Mexico City Earthquake
Publication: Journal of Structural Engineering
Volume 119, Issue 3
Abstract
This paper presents the investigation of the collapse behavior of a 22‐story steel building during the September 19, 1985, Mexico City earthquake by studying hysteretic behavior, ductility factors of individual structural components, and overall instability of the building. Extensive inelastic analyses have been performed for the building by using the multicomponent seismic input of actual Mexico City earthquake records. It was found that the structural response exceeds the original design ductility of this building, and most girders in the building have severe inelastic deformation. Due to the load redistribution that results from ductile girder failure, local buckling occurred in many columns on floors, 2, 3, and 4. Therefore, most columns on floors 2–4 lost their load‐carrying capabilities and rigidities, which then caused the building to tilt and rotate. It is evident that ductile failures of girders combined with local buckling of columns in the lower part of the building resulted in significant story drift, building tilt, effect, and the failure mechanism.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 119 • Issue 3 • March 1993
Pages: 852 - 870
Copyright
Copyright © 1993 American Society of Civil Engineers.
History
Received: Dec 9, 1991
Published online: Mar 1, 1993
Published in print: Mar 1993
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