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MODERN TUNNELLING TECHNOLOGY 2020, Vol. 57 Issue (5) :160-166    DOI:
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Analysis and Prediction of Driving Parameters of Shield Tunnelling in Complex Strata
(1 College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518060; 2 Tunnel and Underground Engineering Research Center of Ministry of Education, Beijing Jiaotong University, Beijing 100044; 3 China Construction Engineering Corp.,Beijing 100037)
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Abstract Taking the running tunnel from Gangwan square station to Zhongshan square station of Dalian Metro as background, the control technique and change law of driving parameters are analyzed for shield tunnelling in the mixed strata including full face hard rocks, uneven hard and soft rocks, and uneven weathered rocks. According to this law, the optimization suggestion on driving parameters are given. In light of the grey system theory, GM (1,1) prediction model is introduced to predict the total driving thrust. The results show that the predicted thrust value is close to the actual driving data. It′s explained that using this model the driving parameters in short term can be predicted for shield tunnelling in complex strata.
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SHEN Xiang1 YUAN Dajun2 WU Jun3 FU Yanbin1
Keywords： Shield tunnelling   Driving parameter control   Complex strata   Prediction model     
Abstract： Taking the running tunnel from Gangwan square station to Zhongshan square station of Dalian Metro as background, the control technique and change law of driving parameters are analyzed for shield tunnelling in the mixed strata including full face hard rocks, uneven hard and soft rocks, and uneven weathered rocks. According to this law, the optimization suggestion on driving parameters are given. In light of the grey system theory, GM (1,1) prediction model is introduced to predict the total driving thrust. The results show that the predicted thrust value is close to the actual driving data. It′s explained that using this model the driving parameters in short term can be predicted for shield tunnelling in complex strata.
Keywords： Shield tunnelling,   Driving parameter control,   Complex strata,   Prediction model     
Cite this article:   
SHEN Xiang1 YUAN Dajun2 WU Jun3 FU Yanbin1 .Analysis and Prediction of Driving Parameters of Shield Tunnelling in Complex Strata[J]  MODERN TUNNELLING TECHNOLOGY, 2020,V57(5): 160-166
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