Title:
LARGE CROSS-SECTION UNDERGROUND SPACE CONSTRUCTING METHOD AND OUTER SHELL SHIELD STARTING BASE
Document Type and Number:
WIPO Patent Application WO/2017/159605
Kind Code:
A1
Abstract:
Provided is a large cross-section underground space constructing method comprising: a step for constructing, in a surrounding area of a main shield tunnel (11) and a ramp shield tunnel (12), two circumferential shield tunnels (10A), (10B) each having a circular cross section along a circumferential direction E such that the circumferential shield tunnels (10A), (10B) are in parallel with each other with a gap interposed therebetween; a step for constructing a plurality of connecting galleries (102) along the circumferential direction E with a gap interposed therebetween, the connecting galleries (102) connecting the adjacent circumferential shield tunnels (10A), (10B) to each other; and a step for drilling a plurality of outer shell shield tunnels (13) by using, as an underground starting base (15), the plurality of circumferential shield tunnels (10A), (10B) and the plurality of connecting galleries (102).
Inventors:
MASUDA HIROICHI (JP)
HAMAGUCHI KOICHI (JP)
HAMAGUCHI KOICHI (JP)
Application Number:
PCT/JP2017/009942
Publication Date:
September 21, 2017
Filing Date:
March 13, 2017
Export Citation:
Assignee:
SHIMIZU CONSTRUCTION CO LTD (JP)
International Classes:
E21D9/06; E21D9/04; E21D13/02
Foreign References:
| JP2014043738A | 2014-03-13 | |||
| JP2015129411A | 2015-07-16 | |||
| JP4958035B2 | 2012-06-20 | |||
| JP2008025303A | 2008-02-07 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
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