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3D Numerical Simulation Analysis on Ground Surface Settlement Caused by Urban Subway Shield Construction
Analysis of ground surface settlement has been an important technical problem in urban subway shield construction process; but, it is difficult to forecast and calculate settlement accurately. This paper analyzes the main causes of surface settlement due to shield construction and summarizes the influence of several important parameters to surface settlement. Then, Midas GTS software was used to: simulate the shield construction process and calculate ground surface settlement; to calculate stress, strain and displacement of overlying strata above the shield-driving machine and to, obtain calculated values of surface settlement which compared with field measured values. Practice has proved that this 3D numerical simulation method is in accordance with fact and provides a useful reference for the subway shield construction project.
3D Numerical Simulation Analysis on Ground Surface Settlement Caused by Urban Subway Shield Construction
Analysis of ground surface settlement has been an important technical problem in urban subway shield construction process; but, it is difficult to forecast and calculate settlement accurately. This paper analyzes the main causes of surface settlement due to shield construction and summarizes the influence of several important parameters to surface settlement. Then, Midas GTS software was used to: simulate the shield construction process and calculate ground surface settlement; to calculate stress, strain and displacement of overlying strata above the shield-driving machine and to, obtain calculated values of surface settlement which compared with field measured values. Practice has proved that this 3D numerical simulation method is in accordance with fact and provides a useful reference for the subway shield construction project.
3D Numerical Simulation Analysis on Ground Surface Settlement Caused by Urban Subway Shield Construction
Liu, Yuanliang (author)
International Conference on Pipelines and Trenchless Technology ; 2013 ; Xi'an, China
ICPTT 2013 ; 586-594
2013-10-01
Conference paper
Electronic Resource
English
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