Title:
REPAIR METHOD OF PC STRUCTURE
Document Type and Number:
Japanese Patent JP2019065605
Kind Code:
A
Abstract:
To provide a repair method of a PC structure which can prevent the buckling of the PC structure at the time of repair of the PC structure and shorten the construction period.SOLUTION: A repair method of a PC structure formed by introducing prestress to concrete by tendon which comprises an installation process in which a reinforcing member 3 extended in the longitudinal direction of the tendon 8 is installed across a repair target area 20 which is an area from a one end 2a to the other end 2b in a material axial direction X in a part 2 to be repaired, a repairing process in which the concrete in the part 2 to be repaired is repaired, the crushed concrete is repaired by installing new concrete, and the part 2 to be repaired is repaired, and a removal process of removing the reinforcing member 3 after the new concrete placed in the repair process hardens.SELECTED DRAWING: Figure 3
Inventors:
HIDA KAZUAKI
SHOJI AKIO
TAWARA AYAKO
SHOJI AKIO
TAWARA AYAKO
Application Number:
JP2017192981A
Publication Date:
April 25, 2019
Filing Date:
October 02, 2017
Export Citation:
Assignee:
EAST NIPPON EXPRESSWAY CO LTD
CENTRAL NIPPON EXPRESSWAY CO
WEST NIPPON EXPRESSWAY CO LTD
NIPPON EXPRESSWAY RES INSTITUTE CO LTD
ORIENTAL SHIRAISHI CORP
CENTRAL NIPPON EXPRESSWAY CO
WEST NIPPON EXPRESSWAY CO LTD
NIPPON EXPRESSWAY RES INSTITUTE CO LTD
ORIENTAL SHIRAISHI CORP
International Classes:
E04G23/02; E01D1/00; E01D22/00
Domestic Patent References:
JP2015086534A | 2015-05-07 | |||
JP2017053196A | 2017-03-16 | |||
JP2008133612A | 2008-06-12 | |||
JPH08158315A | 1996-06-18 | |||
JP2003176506A | 2003-06-24 |
Attorney, Agent or Firm:
Yasuhiko
Shinjo Castle Shigeki
Shinjo Castle Shigeki