Title:
CUT OFF STRUCTURE AND CUT OFF METHOD
Document Type and Number:
Japanese Patent JP2020133194
Kind Code:
A
Abstract:
To provide a cutoff structure capable of reducing a water leakage amount into inside of an underground structure.SOLUTION: A cutoff structure cuts off water leakage from a joint part 14 between a side wall part 11a and a side wall part 11b to inside of an underground structure 1 in the underground structure 1 having the side wall part 11a constituting concrete and the side wall part 11b adjacent to the side wall part 11a and constituting concrete. The cutoff structure has a covering part 21 for forming a reserve space SS1 to store water WT1 between the side wall part 11a, the joint part 14 and the side wall part 11b by covering the side wall part 11a, the joint part 14 and the side wall part 11b, a filling part for filling water WT1 stored in the reserve space SS1 and an adjustment part for adjusting a water pressure WP1 of water WT1 stored in the reserve space SS1 to be equal or less than a predetermined upper limit.SELECTED DRAWING: Figure 3
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Inventors:
USHIDA TAKASHI
KINOSHITA KAHO
KINOSHITA KAHO
Application Number:
JP2019026689A
Publication Date:
August 31, 2020
Filing Date:
February 18, 2019
Export Citation:
Assignee:
RAILWAY TECHNICAL RES INST
International Classes:
E21D11/38; E02D31/02; E21F16/02
Domestic Patent References:
| JPH0791187A | 1995-04-04 | |||
| JP3019915U | 1996-01-12 | |||
| JP2015148044A | 2015-08-20 | |||
| JP2007046311A | 2007-02-22 | |||
| JPH10165916A | 1998-06-23 | |||
| JP2002061499A | 2002-02-28 | |||
| JPH09105490A | 1997-04-22 |
Attorney, Agent or Firm:
Higuchi Tenkou