MA M J, PAN H, LUO G Y,et al.Prediction of lateral horizontal deformation of surrounding strata caused by shield construction based on deep neural network[J].Journal of Henan Polytechnic University(Natural Science) ,2023,42(1):201-208.

doi:10.16186/j.cnki.1673-9787.2021010100

Received:2021/01/21

Revised:2021/04/23

Published:2023/01/25

Prediction of lateral horizontal deformation of surrounding strata caused by shield construction based on deep neural network

MA Mingjun1,2, PAN Hong1,2, LUO Guanyong1,2, CAO Hong1,2

1.School of Civil Engineering and Transportation，South China University of Technology，Guangzhou  510640，Guangdong，China；2.State Key Laboratory of Subtropical Building Science，South China University of Technology，Guangzhou  510640，Guangdong，China

Abstract:In order to obtain an effective prediction model for the horizontal deformation of the strata under shieldconstruction，a deep neural network（DNN） model considering the main construction parameters was proposed.The lateral horizontal deformation data of surrounding strata caused by shield construction was obtained from a certain project in Nansha District，Guangzhou.A deep neural network model optimized with genetic algorithm，trained with the field measured data and the main construction parameters，was established.After training 80 models with genetic algorithm，the mean square error（MSE） of DNN model converged to zero in 50 rounds of iteration in the training process and the residuals randomly distributed near the zero line.Moreover，the predicted value was basically consistent with the measured value and determination coefficients R2 were above 0.9.The study results could provide a reference for the construction of lateral horizontal deformation prediction model of similar projects.

Key words:shield construction;field measurement;deep neural network;lateral horizontal deformation;deformation prediction model

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