Title:
BRIDGE FLOOR SLAB REPLACEMENT METHOD
Document Type and Number:
Japanese Patent JP2021001536
Kind Code:
A
Abstract:
To provide a bridge floor slab replacement method capable of replacing an existing floor slab of a bridge with a new floor slab while realizing daytime traffic release.SOLUTION: A replacement method includes: a first step of removing at least a part of a plurality of existing floor slab pieces formed by dividing an existing bridge floor slab in the direction of the bridge axis to expose a main girder and installing a temporary lining floor slab on the main girder; a second step of temporarily removing the temporary lining floor slab installed in the first step, installing a stud girder on the upper surface of the main girder, and then reinstalling the temporary lining floor slab on the main girder; and a third step of removing the temporary lining floor slab that was reinstalled in the second step, installing multiple new floor slabs on the main girder, joining the new floor slabs to the main girder, and then joining the adjacent new floor slabs to each other. Any one of the first to third steps can be performed during a construction traffic control time period.SELECTED DRAWING: Figure 4
Inventors:
JOTATSU KOTA
OKA SHIGEHIRO
OKA SHIGEHIRO
Application Number:
JP2020097182A
Publication Date:
January 07, 2021
Filing Date:
June 03, 2020
Export Citation:
Assignee:
OHBAYASHI CORP
International Classes:
E01D19/12; E01C5/10; E01C7/32; E01D21/00; E01D22/00
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation