Chapter
Apr 26, 2012
2D Model Tests and Numerical Simulation in Shallow Tunneling Considering Existing Building Load
Authors: H. M. Shahin, E. Sung, T. Nakai [email protected], M. Hinokio, M. Kikumoto, M. Yamamoto, and Y. TabataAuthor Affiliations
Publication: Underground Construction and Ground Movement
Abstract
To investigate the influence of existing building load on the deformation and earth pressure of the ground in shallow tunneling, two-dimensional model tests and numerical analyses are carried out. A stack of aluminum rods is used in the 2D model tests. Flat and piled raft foundations supporting an initial dead load are modeled in the laboratory tests and numerical analyses. For the sake of comparison the laboratory tests and numerical simulations for tunneling in the initially undisturbed ground condition (i.e. green field) are performed as well. In the finite element analyses, an elastoplastic constitutive model named subloading tij model is used. The observed and computed results for the ground with existing building load are compared with those for the green field condition.
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© 2006 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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H. M. Shahin
Post doctoral research fellow, Department of Civil Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-Ku, Nagoya 466-855, Japan
E. Sung
Graduate student, Department of Civil Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-Ku, Nagoya 466-855, Japan
Professor, Department of Civil Engrg., Nagoya Institute of Technology, Gokiso-cho, Showa-Ku, Nagoya 466-855, Japan;. E-mail: [email protected]
M. Hinokio
Research Associate, Department of Civil Engrg., Nagoya Institute of Technology, Gokiso-cho, Showa-Ku, Nagoya 466-855, Japan
M. Kikumoto
Post doctoral research fellow, Department of Civil Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-Ku, Nagoya 466-855, Japan
M. Yamamoto
Graduate student, Department of Civil Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-Ku, Nagoya 466-855, Japan
Y. Tabata
Graduate student, Department of Civil Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-Ku, Nagoya 466-855, Japan
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