期刊
ENGINEERING GEOLOGY
卷 183, 期 -, 页码 230-240出版社
ELSEVIER
DOI: 10.1016/j.enggeo.2014.08.026
关键词
Microfabrics; Neural networks; Fuzzy inference; Multivariate regression; Compressive strength; Banded amphibolites
In this paper, microfabric properties including grain size, shape factor and quartz content are tailored to the specific evaluation of UCS of banded amphibolite rocks. However, the predicting capabilities of Artificial Neural Networks (ANNs) and Fuzzy Inference System (FIS) as well as the Multivariate Regression (MR) techniques have been evaluated and compared using the same input variables. To assess the model performances, some performance indices such as correlation coefficient (R), variance account for (VAF) and root mean square error (RMSE) were calculated and compared for the three models. The study revealed that even though the developed three models are reliable to predict the UCS, the presented ANN method displays an obvious potential for the reliable assessment of UCS according to model performance criterion. However, the outcomes of this study are quite satisfactory, which may serve microfabric characterization to be easily extended to the modeling of strength and deformation behavior of rocks in the absence of adequate budget and facility of testing UCS. (C) 2014 Elsevier B.V. All rights reserved.
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