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Title:
BUILDING METHOD OF UNDERGROUND STRUCTURE
Document Type and Number:
Japanese Patent JP3088929
Kind Code:
B2
Abstract:

PURPOSE: To build an underground structure of large section which is easy in execution, firm, and high in accuracy, by burying hollow segments made of steel.
CONSTITUTION: When after hollow segments 2 with temporary joint pipes are replaced with pilot pipes 1 while adding in order so as to bury the hollow segments 2 in one line between shafts, the next hollow segments 2 with the temporary joint pipes are buried in order on one side of the former, while pushing forward the temporary joint pipe 8 of the precedingly buried hollow segment 2 by the male joint pipe 2a of this hollow segment 2, the male joint part 2a of this hollow segment 2 is engaged with the female joint part 2b covered with the temporary joint pipe 8 and propelled. A plurality of lines of the hollow segments 2 are buried on the sectional positions of a planned underground structure, adjoining hollow segments 2 front and rear, right and left, are integratedly connected together by bolts, and the hollow segments 2 are filled with concrete therein, so as to build a firm underground structure.


Inventors:
Eiichi Hatayama
Takashi Misawa
Asahi Toshinori
Application Number:
JP9990595A
Publication Date:
September 18, 2000
Filing Date:
March 31, 1995
Export Citation:
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Assignee:
Okumura Gumi Co., Ltd.
International Classes:
E21D9/04; E21D13/02; (IPC1-7): E21D9/04; E21D13/02
Domestic Patent References:
JP6294290A
JP4155094A
JP230886A
Attorney, Agent or Firm:
Takuya Yamamoto