Journal
ENGINEERING GEOLOGY
Volume 210, Issue -, Pages 158-167Publisher
ELSEVIER
DOI: 10.1016/j.enggeo.2016.06.016
Keywords
Evolutionary regression; Genetic algorithm; Hybrid strategy; Compressibility; Clays; Atterberg limits
Funding
- National Natural Science Foundation of China [41372285, 51579179]
- Region Pays de la Loire of France (project RI-ADAPTCLIM)
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A new approach for evaluating the compressibility of remoulded clays using the evolutionary polynomial regression (EPR) and optimization methods is proposed. An efficient hybrid real-coded genetic algorithm (RCGA) with a new hybrid strategy combined with a self-adaptive mutation is first developed. Then, the enhanced RCGA is applied to construct the EPR procedure for compression index. To highlight the performance of the RCGA in the proposed procedure, three other excellent optimization algorithms are selected and compared. All comparisons between, predictions and measurements demonstrate that the EPR-based modelling of clay compressibility using the enhanced RCGA gives a more accurate and reliable correlation between the compression index and physical properties of remoulded clays. (C) 2016 Published by Elsevier B.V.
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