Damage Evolution in Reinforced Concrete Members Under Cyclic Loading

by W. B. Krätzig, Ruhr-Univ, Germany,
I. F. Meyer, Ruhr-Univ, Germany,
K. Meskouris, Ruhr-Univ, Germany,



Document Type: Proceeding Paper

Part of: Structural Safety and Reliability

Abstract:

The paper presents a new damage indicator D, valid for reinforced concrete sections under cyclic loading. DQ, based on sectionally absorbed energies, admits a physically meaningful assessment of damage and damage evolution under both monotonic and cyclic loading. The validity of D has been extensively proved by verification of own and published experiments. This damage indicator is incorporated in a finite ur-element, which describes the damage evolution between two stirrups in a detailed manner.



Subject Headings: Reinforced concrete | Beams | Cyclic loads | Energy efficiency

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