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Damage Evolution in Reinforced Concrete Members Under Cyclic Loading

by W. B. Kr?tzig, 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. D_Q, 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 | Damage (material) | Concrete beams | Cyclic loads | Damage (structural) | Load and resistance factor design | Structural design

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