Structural Engineering and Mechanics

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Real-time modeling prediction for excavation behavior

  • Ni, Li-Feng (College of Civil Engineering, Southeast University) ;
  • Li, Ai-Qun (College of Civil Engineering, Southeast University) ;
  • Liu, Fu-Yi (First Institute of Shenzhen General Institute of Design and Research) ;
  • Yin, Honore (ENPC-LAMI) ;
  • Wu, J.R. (Department of Building and Construction, City University of Hong Kong)
  • Received : 2002.01.02
  • Accepted : 2003.09.01
  • Published : 2003.12.25
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Abstract

Two real-time modeling prediction (RMP) schemes are presented in this paper for analyzing the behavior of deep excavations during construction. The first RMP scheme is developed from the traditional AR(p) model. The second is based on the simplified Elman-style recurrent neural networks. An on-line learning algorithm is introduced to describe the dynamic behavior of deep excavations. As a case study, in-situ measurements of an excavation were recorded and the measured data were used to verify the reliability of the two schemes. They proved to be both effective and convenient for predicting the behavior of deep excavations during construction. It is shown through the case study that the RMP scheme based on the neural network is more accurate than that based on the traditional AR(p) model.

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References

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