PROCEEDINGS OF TUNNEL ENGINEERING, JSCE
Online ISSN : 1884-9091
ISSN-L : 1345-0832
A Study on Temporary Column Removal in Triple-face Shield
Yoshiji MATSUMOTOYukinori KOYAMANoriyuki OKANOShyun-ichi IHARAYukihiko BABA
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JOURNALS FREE ACCESS

1994 Volume 4 Pages 125-132

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Abstract

Recently, triple-face shield tunneling method is receiving much attention, because it can construct a tunnel in a short period without any auxiliary method such as chemical grouting, etc. In this method, temporary columns are installed between permanent columns. After supporting girders are in place, the temporary columns are removed.
In this paper, we discuss about the behavior of a test tunnel model and three-dimensional FEM simulation analysis in the process of the temporary columns' removal. The tunnel model pipe, columns and media to be analyzed were simulated by shell, beam and solid elements, respectively in FEM package “ABAQUS”.

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© by Japan Society of Civil Engineers
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