期刊
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
卷 57, 期 -, 页码 257-264出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tust.2016.01.007
关键词
Ground deformation; Slurry; Modelling
资金
- Office Of Internatl Science &Engineering
- Office Of The Director [1243539] Funding Source: National Science Foundation
This paper examines the role of slurry TBM operational parameters, namely face, annulus and grout pressures, on ground deformation. The analysis includes both field data and computational modelling. Field data from the very successful Queens bored metro tunnels (6.9 m diameter) project in New York City is employed to illustrate phenomenologically how ground deformation was controlled via slurry TBM parameters. Computational modelling is then employed to support the experimental findings and to further investigate the relative influence of TBM parameters through parametric analysis. The results quantify the importance of the various pressures on controlling ground deformation. (C) 2016 Published by Elsevier Ltd.
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