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Buildings 2018, 8(11), 151; https://doi.org/10.3390/buildings8110151

Feasibility of Using Neural Networks to Obtain Simplified Capacity Curves for Seismic Assessment

DEC-ISE, University of Algarve, 8005-139 Faro, Portugal
Received: 21 September 2018 / Revised: 29 October 2018 / Accepted: 2 November 2018 / Published: 6 November 2018
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Abstract

The selection of a given method for the seismic vulnerability assessment of buildings is mostly dependent on the scale of the analysis. Results obtained in large-scale studies are usually less accurate than the ones obtained in small-scale studies. In this paper a study about the feasibility of using Artificial Neural Networks (ANNs) to carry out fast and accurate large-scale seismic vulnerability studies has been presented. In the proposed approach, an ANN was used to obtain a simplified capacity curve of a building typology, in order to use the N2 method to assess the structural seismic behaviour, as presented in the Annex B of the Eurocode 8. Aiming to study the accuracy of the proposed approach, two ANNs with equal architectures were trained with a different number of vectors, trying to evaluate the ANN capacity to achieve good results in domains of the problem which are not well represented by the training vectors. The case study presented in this work allowed the conclusion that the ANN precision is very dependent on the amount of data used to train the ANN and demonstrated that it is possible to use ANN to obtain simplified capacity curves for seismic assessment purposes with high precision. View Full-Text
Keywords: vulnerability assessment; capacity curves; neural networks; earthquakes vulnerability assessment; capacity curves; neural networks; earthquakes
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Estêvão, J.M.C. Feasibility of Using Neural Networks to Obtain Simplified Capacity Curves for Seismic Assessment. Buildings 2018, 8, 151.

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