TBM Performance Prediction in Rock Tunneling Using Various Artificial Intelligence Algorithms
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ITC11_019
تاریخ نمایه سازی: 19 خرداد 1396
Abstract:
With widespread increasing applications of mechanized tunneling in almost all ground conditions, prediction of tunnel boring machine (TBM) performance is required for time planning, cost control and choice of excavationmethod in order to make tunneling economical. Penetration rate is a principal measure of full-face TBM performance and is used to evaluate the feasibility of the machine and predict advance rate of excavation. In this study, a database of actual machine performance from two hard rock tunneling projects in Iran including Zagros lot 1B and 2 with 14.3km available data has been compiled. To clarify the effective parameters on penetration rate, first principalcomponent analysis (PCA) was performed. Furthermore, well-known Artificial Intelligence (AI) based methods, including artificial neural networks (ANN), adaptive neuro-fuzzy inference system (ANFIS) and support vector regression (SVR) have been employed. As statistical indices, root mean square error (RMSE), correlation coefficient(R2), variance account for (VAF), and mean absolute percentage error (MAPE) were used to evaluate the efficiency of the developed AI models for TBM performance. According to the obtained results, it was observed that AI basedmethods can effectively be implemented for prediction of TBM performance. Moreover, it was concluded that performance of the SVR model is better than the ANFIS and ANN models. A high conformity was observed between predicted and measured TBM performance for the SVR model
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Authors
Alireza Salimi
Institute of Geotechnical Engineering, University of Stuttgart, Stuttgart, Germany,
Christian Moormann
Institute of Geotechnical Engineering, University of Stuttgart, Stuttgart, Germany,
T.N Singh
Indian Institute of Technology Bombay, Mumbai-400076, India;
Prasnna Jain
National Institute of Rock Mechanics, Kolar Gold Fields-563117, Karnataka, India;
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