FraMCoS 3 1998 Gifu, Japan

Proposition of a Damage Indicator Applied on R/C Structures Subjected to Cyclic Loading

In this paper a new formulation of damage indicator is proposed for reinforced concrete members. To evaluate this factor it is considered both an energetic analysis method and the weighting of repeated cycles in their real occurring sequence. This damage…

First page of: Proposition of a Damage Indicator Applied on R/C Structures Subjected to Cyclic Loading
Year 1998
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Abstract

In this paper a new formulation of damage indicator is proposed for reinforced concrete members. To evaluate this factor it is considered both an energetic analysis method and the weighting of repeated cycles in their real occurring sequence. This damage indicator is a numerical value of range 0% - 100% indicating the state of damage of a structure when subjected to monotonic or cyclic loading. It allows either to decide (for repairing or destroying constructions) after earthquake or to design structural elements. Applying this method gives a regular distribution of damage up to failure and allows to give an idea of fatigue damaging. The damage indicator evaluated on the columns tested by J.G. Sieffert et al. reaches about 5% when the first tensile cracks appear, 45% when the first compression cracks occur, and 100% at failure.