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Effect of near field earthquake on the monuments adjacent to underground tunnels using hybrid FEA-ANN technique
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  • Journal title : Earthquakes and Structures
  • Volume 10, Issue 4,  2016, pp.757-768
  • Publisher : Techno-Press
  • DOI : 10.12989/eas.2016.10.4.757
 Title & Authors
Effect of near field earthquake on the monuments adjacent to underground tunnels using hybrid FEA-ANN technique
Jafarnia, Mohsen; Varzaghani, Mehdi Imani;
 Abstract
In the past decades, effect of near field earthquake on the historical monuments has attracted the attention of researchers. So, many analyses in this regard have been presented. Tunnels as vital arteries play an important role in management after the earthquake crisis. However, digging tunnels and seismic effects of earthquake on the historical monuments have always been a challenge between engineers and historical supporters. So, in a case study, effect of near field earthquake on the historical monument was investigated. For this research, Finite Element Analysis (FEM) in soil environment and soil-structure interaction was used. In Plaxis 2D software, different accelerograms of near field earthquake were applied to the geometric definition. Analysis validations were performed based on the previous numerical studies. Creating a nonlinear relationship with space parameter, time, angular and numerical model outputs was of practical and critical importance. Hence, artificial Neural Network (ANN) was used and two linear layers and Tansig function were considered. Accuracy of the results was approved by the appropriate statistical test. Results of the study showed that buildings near and far from the tunnel had a special seismic behavior. Scattering of seismic waves on the underground tunnels on the adjacent buildings was influenced by their distance from the tunnel. Finally, a static test expressed optimal convergence of neural network and Plaxis.
 Keywords
soil-structure interaction;tunnel;historical monuments;artificial neural network (ANN);near field earthquake;
 Language
English
 Cited by
 References
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