Normalized Damage Index for Evaluation of Buildings

by Andrei Reinhorn, State Univ of New York, United States,
Sashi Kunnath, State Univ of New York, United States,
Joseph Bracci, State Univ of New York, United States,
John Mander, State Univ of New York, United States,



Document Type: Proceeding Paper

Part of: Seismic Engineering: Research and Practice

Abstract: A conceptual model for evaluation of structural damage is developed based on the fundamental idea of demand and capacity. The proposed formulation combines two recognized sources of damage: permanent deformation and strength deterioration. An implementation of the model to bilinear hysteresis is presented as an initial application. Evaluation studies of progressive damage are carried out on a 2-bay, 3-story R/C frame that was tested to failure.

Subject Headings: Damage (structural) | Failure analysis | Hysteresis | Deformation (mechanics) | Deterioration | Frames | Structural failures | Structural models

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