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Surface settlement prediction for urban tunneling using machine learning algorithms with Bayesian optimization
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DOI：10.1016/j.autcon.2022.104331.png)
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This paper describes the prediction of settlements induced by urban area tunneling using five machine learning (ML) algorithms. The settlement database, which was collected from a subway tunnel project in Hong Kong, consisted of 253 settlement measurements and 32 settlement influencing factors. The Bayesian optimizationbased hyperparameter tuning was applied to efficiently explore optimal combinations and to enhance prediction performance. The optimal hyperparameters were selected by considering the three-fold cross-validation (CV) result of training data. The performance of the developed model was evaluated by comparing the root mean squared error (RMSE), mean absolute error (MAE), and coefficient of determination (R2) values. The extreme gradient boosting algorithm demonstrated the highest prediction accuracy with RMSE, MAE, and R2 values of 1.606, 1.331, and 0.835, respectively.
Keyword:
Surface settlement prediction
Machine learning
Bayesian optimization
K-fold cross-validation
Shield TBM
期刊
IF:
11.5
论文数:
6.2K
被引数:
4.2W
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