A New Method for Pore Pressure Prediction on Malfunctioning Cells Using Artificial Neural Networks

Milica Markovic (), Jelena Markovic Brankovic, Miona Andrejevic Stosovic, Srdjan Zivkovic and Bojan Brankovic
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Milica Markovic: University of Nis
Jelena Markovic Brankovic: University of Nis
Miona Andrejevic Stosovic: University of Nis
Srdjan Zivkovic: University of Nis
Bojan Brankovic: Adesso Austria GmbH

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2021, vol. 35, issue 3, No 13, 979-992

Abstract: Abstract Embankment rockfill dams are the most common dam construction types used in the world today. One third of all embankment dam failures are caused by dam slope instability. The dam is stable when the slopes are stable. Slope safety of the dam is assessed through pore and total pressure data analysis registered on pressure measurement cells installed in the dam. During the service life of a dam, one or more cells may malfunction after years of operation. Cell replacement implies economically unjustified high costs and is usually technically impossible and high risk. In this paper, the problem of a malfunctioning cell with a small available dataset is analysed. A new method for pore pressure prediction on malfunctioning cells has been developed using several successive artificial neural networks (ANNs) to obtain high accuracy of the predicted values. The results show that these predicted values are more precise than values we could have obtained using only one artificial neural network for prediction.

Keywords: Dam stability; Embankment dam; Pore pressure; ANN (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s11269-021-02763-0

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