Easily-cuttable tunnel segment structure

The present invention relates to a novel easily-cuttable tunnel segment structure used for the departure of a shield machine from a main tunnel to a branch tunnel or the return to the main tunnel from the branch tunnel, and provides an easily-cuttable tunnel segment structure 1 constructed by connec...

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Bibliographic Details
Main Authors ISHITA OSAMU, FUJINO YUTAKA, SATOH SEIICHI, KONDOH FUMIO, NAKA RYOICHI, CHIBA TUKASI, YOSHIZUMI TOSHIHIKO, NAKATA SHINICHI
Format Patent
LanguageEnglish
Published 19.06.2003
Edition7
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The present invention relates to a novel easily-cuttable tunnel segment structure used for the departure of a shield machine from a main tunnel to a branch tunnel or the return to the main tunnel from the branch tunnel, and provides an easily-cuttable tunnel segment structure 1 constructed by connecting a plurality of easily-cuttable tunnel segment pieces 2 in the longitudinal direction of a tunnel, wherein at least an easily-cuttable area 3 is formed by concrete 7 in which easily-cuttable reinforcement members are arranged, and a join disposed at least in the easily-cuttable area 3 in the longitudinal direction has an easily-cuttable join structure.
Bibliography:Application Number: US20020301351