METHOD FOR REPAIRING REINFORCED CONCRETE STRUCTURE

Japanese Patent JP2017002679

A

PROBLEM TO BE SOLVED: To provide a method for repairing a reinforced concrete structure which can increase integration between a material to be newly installed in a portion to be repaired and a reinforced concrete structure while suppressing a progression of macrocell corrosion when the reinforced concrete structure is repaired.SOLUTION: A reinforcement 3 inside is exposed in a portion 4 to be repaired from which existing concrete 2 in a reinforced concrete structure 1 is partially removed, and next a cement composite 5 with multiple fine cracks is at least used as a new material. The cement composite 5 with multiple fine cracks is brought into direct contact with the whole range of the surface of the existing concrete 2 in the portion 4 to be repaired and at least one portion of the exposed surface of the reinforcement 3 and is installed, and the reinforcement 3 is put into a state of being buried in the new material installed and is hardened. By this, the new material adheres to the existing concrete 2 firmly so as to be integrated with the reinforced concrete structure 1.SELECTED DRAWING: Figure 1

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AMINO TAKAHIKO
HANAOKA DAISHIN
ZOULKANEL MOUSSA GARBA-SAY
HANEBUCHI TAKASHI

JP2015120902A

January 05, 2017

June 16, 2015

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TOA HARBOR WORKS CO LTD

E04G23/02; C04B18/14

JP2001288899A	2001-10-19
JP2013256788A	2013-12-26
JP2014084260A	2014-05-12
JP2009234876A	2009-10-15
JP2008095348A	2008-04-24
JP2002275832A	2002-09-25
JP2012214369A	2012-11-08

Seiryu International Patent Service Corporation
Takayoshi in the daytime
Masao Sakaizawa
Isao Hirai

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