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A Intercomparison on the estimating shield TBM tunnel face pressure through analytical and numerical analysis
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 Title & Authors
A Intercomparison on the estimating shield TBM tunnel face pressure through analytical and numerical analysis
Jun, Gy-Chan; Kim, Dong-Hyun;
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 Abstract
This study estimates tunnel face pressure through existing 8 analytical equations and 3D numerical analysis, and compares and examines it. In general, the estimating tunnel face pressure of domestic shield TBM has been examined by a method according to analytical equation and empirical method, but numerical analysis is combined in a section passing complicated stratigraphic condition and special soil condition. Therefore, the researcher is to find a reliable method to examine of tunnel face pressure by confirming a correlation between tunnel face pressure estimated by equation and tunnel face pressure estimated by numerical analysis program. When tunnel face pressure is estimated, both analytical equation and numerical analysis were identically examined in soil conditions such as sandy soil and cohesive soil. In addition, existing analytical equation is used as equation, and 3D analysis copying construction process and shield tunnel as numerical analysis.
 Keywords
Shield TBM;Face pressure;3-D numerical analysis;
 Language
Korean
 Cited by
 References
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