Computers and Concrete

  • 제28권6호
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  • Pages.635-642
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  • 2021
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  • 1598-8198(pISSN)
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  • 1598-818X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

PSO based neural network to predict torsional strength of FRP strengthened RC beams

  • Narayana, Harish (Department of Civil Engineering, National Institute of Technology Goa) ;
  • Janardhan, Prashanth (Department of Civil Engineering, National Institute of Technology Silchar)
  • 투고 : 2020.09.04
  • 심사 : 2021.12.28
  • 발행 : 2021.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

In this paper, soft learning techniques are used to predict the ultimate torsional capacity of Reinforced Concrete beams strengthened with Fiber Reinforced Polymer. Soft computing techniques, namely Artificial Neural Network, trained by various back propagation algorithms, and Particle Swarm Optimization (PSO) algorithm, have been used to model and predict the torsional strength of Reinforced Concrete beams strengthened with Fiber Reinforced Polymer. The performance of each model has been evaluated by using statistical parameters such as coefficient of determination (R2), Root Mean Square Error (RMSE), and Mean Absolute Percentage Error (MAPE). The hybrid PSO NN model resulted in an R2 of 0.9292 with an RMSE of 5.35 for training and an R2 of 0.9328 with an RMSE of 4.57 for testing. Another model, ANN BP, produced an R2 of 0.9125 with an RMSE of 6.17 for training and an R2 of 0.8951 with an RMSE of 5.79 for testing. The results of the PSO NN model were in close agreement with the experimental values. Thus, the PSO NN model can be used to predict the ultimate torsional capacity of RC beams strengthened with FRP with greater acceptable accuracy.

키워드

과제정보

The authors are grateful to the Director, National Institute of Technology Goa, India and Director, National Institute of Technology Silchar, India, for their support, encouragement and permission to publish.

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