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http://dx.doi.org/10.7843/kgs.2007.23.7.17

A Study on the Settlement Prediction of Soft Ground Embankment Using Artificial Neural Network  

Kim, Dong-Sik (Dept. of Civil Engrg., The Univ. of Suwon)
Chae, Young-Su (Dept. of Civil Engrg., The Univ. of Suwon)
Kim, Young-Su (Dept. of Civil Engrg., Kyungpook National Univ.)
Kim, Hyun-Dong (Dept. of Civil Engrg., Kyungpook National Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.23, no.7, 2007 , pp. 17-25 More about this Journal
Abstract
Various geotechnical problems due to insufficient bearing capacity or excessive settlement are likely to occur when constructing roads or large complexes on soft ground. Accurate predictions of the magnitude of settlement and the consolidation time provide numerous options of ground improvement methods and, thus, enable to save time and expense of the whole project. Asaoka's method is probably the most frequently used one for settlement prediction and the empirical formulae such as Hyperbolic method and Hoshino's method are also often used. To find an elaborate method of predicting the embankment settlement, two recurrent type neural network models, such as Jordan model and Elman-Jordan model, are adopted. The data sets of settlement measured at several domestic sites are analyzed to obtain the most suitable model structures. It was shown from the comparison between predicted and measured settlements that Jordan model provides better predictions than Elman-Jordan model does and that the predictions using CPT results are more accurate than those using SPT results. It is believed that RNN using cone penetration test results can be a highly efficient tool in predicting settlements if enough field data can be obtained.
Keywords
ANN; Elman-Jordan model; Jordan model; Settlement; Soft ground;
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