Moment-curvature damage model for bridges subjected to seismic loads. (English) Zbl 1123.74044
Summary: The evaluation of the damage caused by horizontal loads, such as seismic action, to existing bridges has received an important attention in recent years, because it is the first step towards reducing casualties and economic losses. In damage detection and evaluation, the application of simple and reliable models has been prioritized, because they are necessary in further multi-analyses required by Monte Carlo simulations. A simplified moment-curvature damage evaluation model, capable of evaluating the expected seismic behavior of RC highway bridges is proposed in this paper. The damage of a pier is related to the reduction of the cross-sectional moment of inertia of bridge piers. Therefore, the evaluation of the damage is based on a nonlinear analysis determining the changes of the mentioned moment of inertia. The model was validated using experimental results obtained at JRC Ispra for Warth Bridge of Austria, and also by using FEM analyses performed by other authors for the same bridge.
MSC:
| 74R99 | Fracture and damage |
| 74H50 | Random vibrations in dynamical problems in solid mechanics |
| 86A15 | Seismology (including tsunami modeling), earthquakes |
Software:
ABAQUSReferences:
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