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Structural Damage Prediction Under Seismic Sequence Using Neural Networks

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Abstract
  • Advanced machine learning algorithms, such as neural networks, have the potential to be successfully applied to many areas of system modelling. Several studies have been already conducted on forecasting structural damage due to individual earthquakes, ignoring the influence of seismic sequences, using neural networks. In the present study, an ensemble neural network approach is applied to predict the final structural damage of an 8-storey reinforced concrete frame under real and artificial ground motion sequences. Successive earthquakes consisted of two seismic events are utilised. We considered 16 well-known ground motion intensity measures and the structural damage that occurred by the first earthquake as the features of the machine-learning problem, while the final structural damage was the target. After the first seismic events and after the seismic sequences, both actual values of damage indices are calculated through nonlinear time history analysis. The machine-learning model is trained using the dataset generated from artificial sequences. Finally, the predictive capacity of the fitted neural network is accessed using the natural seismic sequences as a test set.
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  • P. C. Lazaridis, I. E. Kavvadias, K. Demertzis, L. Iliadis, A. Papaleonidas, L. K. Vasiliadis , A. Elenas, Structural Damage Prediction Under Seismic Sequence Using Neural Networks, 8th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2021), Athens, 2021
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  • Athens, Greece
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  • Pending Publication
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  • 2021-07-01 to 2021-07-21

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