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2019, Volume 13, Issue 6

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Frontiers of Structural and Civil Engineering >> 2019, Volume 13, Issue 6 doi: 10.1007/s11709-019-0561-3

Prediction of shield tunneling-induced ground settlement using machine learning techniques

. Key Laboratory of Building Safety and Energy Efficiency, Hunan University, Changsha 410082, China.. National Joint Research Center for Building Safety and Environment, Hunan University, Changsha 410082, China.. College of Civil Engineering, Hunan University, Changsha 410082, China.. China Construction Fifth Engineering Division Co., Ltd, Changsha 410082, China

Accepted: 2019-09-11 Available online: 2019-09-11
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Abstract

Predicting the tunneling-induced maximum ground surface settlement is a complex problem since the settlement depends on plenty of intrinsic and extrinsic factors. This study investigates the efficiency and feasibility of six machine learning (ML) algorithms, namely, back-propagation neural network, wavelet neural network, general regression neural network (GRNN), extreme learning machine, support vector machine and random forest (RF), to predict tunneling-induced settlement. Field data sets including geological conditions, shield operational parameters, and tunnel geometry collected from four sections of tunnel with a total of 3.93 km are used to build models. Three indicators, mean absolute error, root mean absolute error, and coefficient of determination the ( ) are used to demonstrate the performance of each computational model. The results indicated that ML algorithms have great potential to predict tunneling-induced settlement, compared with the traditional multivariate linear regression method. GRNN and RF algorithms show the best performance among six ML algorithms, which accurately recognize the evolution of tunneling-induced settlement. The correlation between the input variables and settlement is also investigated by Pearson correlation coefficient.

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