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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
Application Number:
JP2017192981A
Publication Date:
April 25, 2019
Filing Date:
October 02, 2017
Export Citation:
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Assignee:
EAST NIPPON EXPRESSWAY CO LTD
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:
JP2015086534A2015-05-07
JP2017053196A2017-03-16
JP2008133612A2008-06-12
JPH08158315A1996-06-18
JP2003176506A2003-06-24
Attorney, Agent or Firm:
Yasuhiko
Shinjo Castle Shigeki