Stability prediction of Himalayan residual soil slope using artificial neural network

Arunava Ray, Vikash Kumar, Amit Kumar, Rajesh Rai, Manoj Khandelwal () and T. N. Singh
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Arunava Ray: Indian Institute of Technology (BHU) Varanasi
Vikash Kumar: Indian Institute of Technology (BHU) Varanasi
Amit Kumar: Indian Institute of Technology (BHU) Varanasi
Rajesh Rai: Indian Institute of Technology (BHU) Varanasi
Manoj Khandelwal: Federation University Australia
T. N. Singh: Indian Institute of Technology Bombay

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2020, vol. 103, issue 3, No 41, 3523-3540

Abstract: Abstract In the past decade, advances in machine learning (ML) techniques have resulted in developing sophisticated models that are capable of modelling extremely complex multi-factorial problems like slope stability analysis. The literature review indicates that considerable works have been done in slope stability using ML, but none of them covers the analysis of residual soil slope. The present study aims to develop an artificial neural network (ANN) model that can be employed for evaluating the factor of safety of Shiwalik Slopes in the Himalayan Region. Data obtained from numerical analysis of a residual soil slope were used to develop two ANN models (ANN1 and ANN2 utilising eleven input parameters, and scaled-down number of parameters based on correlation coefficient, respectively). A four-layer, feed-forward back-propagation neural network having the optimum number of hidden neurons is developed based on trial-and-error method. The results derived from ANN models were compared with those achieved from numerical analysis. Additionally, several performance indices such as coefficient of determination (R2), root mean square error, variance account for, and residual error were employed to evaluate the predictive performance of the developed ANN models. Both the ANN models have shown good prediction performance; however, the overall performance of the ANN2 model is better than the ANN1 model. It is concluded that the ANN models are reliable, valid, and straightforward computational tools that can be employed for slope stability analysis during the preliminary stage of designing infrastructure projects in residual soil slope.

Keywords: Machine learning; Slope stability; Artificial neural network; Residual soil (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (4)

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DOI: 10.1007/s11069-020-04141-2

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