Dissipated Energy Ratio as a Feature for Earthquake-Induced Damage Detection of Instrumented Structures
Publication: Journal of Engineering Mechanics
Volume 139, Issue 11
Abstract
The paper proposes an energy-based damage feature to detect the presence of earthquake-induced structural damage in instrumented buildings. The proposed feature is a function of the ratio between the hysteretic dissipated energy and the total dissipated energy. The main contribution of the paper consists in deriving an expression to estimate the dissipated energy ratio from a measured vibration response at a limited number of degrees of freedom. The proposed methodology is successfully implemented in the context of simulated multistory shear buildings and in a real instrumented building during two independent seismic events; one where the building did not sustain damage and the other were significant damage occurred. In both cases the proposed methodology performed the correct diagnosis.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 139 • Issue 11 • November 2013
Pages: 1521 - 1529
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Oct 24, 2011
Accepted: Aug 21, 2012
Published online: Aug 30, 2012
Published in print: Nov 1, 2013
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