Title:
FAST-CURING GROUT COMPOSITION FOR STEEL PIPE MULTI-STEP GROUTING METHOD, AND STEEL PIPE MULTI-STEP GROUTING METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/173132
Kind Code:
A1
Abstract:
The present invention relates to a fast-curing grout composition for a steel pipe multi-step grouting method comprising the steps of: perforating the ground around a tunnel to be reinforced (S10); inserting a steel pipe into the perforation (S20); filling a sealing material between the steel pipe and the perforation (S30); gelling the filled sealing material (S40); filling a main injection material including an injection material and an accelerating material into the steel pipe inserted into the perforation (S50); and curing the filled main injection material (S60).
Inventors:
MIN SUNG KI (KR)
CHO NAM WOO (KR)
KANG YOON SEUK (KR)
CHO NAM WOO (KR)
KANG YOON SEUK (KR)
Application Number:
PCT/KR2022/000362
Publication Date:
August 18, 2022
Filing Date:
January 10, 2022
Export Citation:
Assignee:
AZ CO LTD (KR)
International Classes:
C09K17/10; C04B7/52; C04B14/02; C04B14/10; C04B14/20; C04B14/36; C04B18/24; C04B28/06; C04B28/08; C04B28/14
Foreign References:
| KR102134887B1 | 2020-07-20 | |||
| KR102106142B1 | 2020-04-29 | |||
| KR102199938B1 | 2021-01-11 | |||
| KR102128748B1 | 2020-07-01 | |||
| KR20110077346A | 2011-07-07 | |||
| KR102301617B1 | 2021-09-14 |
Attorney, Agent or Firm:
JI, Jeong Hun (KR)
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