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Title:
地中コンクリート構造物の補修構造及び補修方法
Document Type and Number:
Japanese Patent JP7085440
Kind Code:
B2
Abstract:
To provide a repair structure of an underground concrete structure and repair method that can perform repair work at as low a construction cost as possible and can eliminate peeling and exfoliation of the repair structure to be expected to bring long-term durability performance.SOLUTION: In a repair structure 60 for an underground concrete structure, a laminate in which buffer layers 40 and repair cement layers 50 are laminated in order from the ground side to the surface side of a removal portion 20 is formed in the removal portion 20 on the surface of the underground concrete structure, and the buffer layer 40 is a mixture of EVA resin powder and hydraulic powder.SELECTED DRAWING: Figure 6

Inventors:
Otsuka Isamu
Toshiaki Sudo
Nobutaka Ohara
Takayuki Hashimoto
Shuichi Okamoto
Dosho Kanno
Shoichi Ikeyama
Yasuyuki Kurihara
Toru Tomiyama
Application Number:
JP2018156405A
Publication Date:
June 16, 2022
Filing Date:
August 23, 2018
Export Citation:
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Assignee:
Taisei Corporation
Seiwa Renewal Works Co., Ltd.
Chigasaki Solutions Co., Ltd.
International Classes:
E21D11/10; E02D27/38; E02D29/045; E03F3/04; E04G23/02
Domestic Patent References:
JP2007297900A
JP2014218401A
JP2006225906A
JP2014156742A
JP2008037704A
JP2016204224A
JP2000202820A
JP2000203916A
JP2011179249A
JP2017226557A
JP2013203559A
Foreign References:
US20180106003
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito