A study of slope stability prediction using neural networks

  • M. G. Sakellariou
  • M. D. Ferentinou
Article

Abstract

The determination of the non-linear behaviour of multivariate dynamic systems often presents a challenging and demanding problem. Slope stability estimation is an engineering problem that involves several parameters. The impact of these parameters on the stability of slopes is investigated through the use of computational tools called neural networks. A number of networks of threshold logic unit were tested, with adjustable weights. The computational method for the training process was a back-propagation learning algorithm. In this paper, the input data for slope stability estimation consist of values of geotechnical and geometrical input parameters. As an output, the network estimates the factor of safety (FS) that can be modelled as a function approximation problem, or the stability status (S) that can be modelled either as a function approximation problem or as a classification model. The performance of the network is measured and the results are compared to those obtained by means of standard analytical methods. Furthermore, the relative importance of the parameters is studied using the method of the partitioning of weights and compared to the results obtained through the use of Index Information Theory.

Keywords

artificial neural networks back-propagation factor of safety geotechnical parameters slope stability threshold logic units 

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Copyright information

© Springer 2005

Authors and Affiliations

  • M. G. Sakellariou
    • 1
  • M. D. Ferentinou
    • 2
  1. 1.Dr. Civil Engineering, Associate Professor, Laboratory of Structural MechanicsNational Technical University of Athens (NTUA)AthensGreece
  2. 2.Geologist, Graduate StudentNTUAGreece

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