Title:
CONSTRUCTION METHOD FOR COFFERDAM STRUCTURE AND COFFERDAM STRUCTURE
Document Type and Number:
Japanese Patent JP2022187300
Kind Code:
A
Abstract:
To provide a construction method for a cofferdam structure capable of securing cut-off performance and reducing the labor and time of the construction.SOLUTION: A construction method for a cofferdam structure comprises steps of: installing multiple hollow piles 10 with upper ends opened in a water bottom 2 around a work area; installing sheet support members 20 fixed with a first waterproof sheet 40 on the water bottom 2 at a side separated from the work area from the hollow piles 10; inserting column bodies 30 into each of the hollow piles 10; installing a second waterproof sheet 50 by spreading between the column bodies 30; and detachably connecting the second waterproof sheet 50 to the first waterproof sheet 40.SELECTED DRAWING: Figure 1
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Inventors:
HASHIMOTO ATSUSHI
ODA YUKINOBU
ODA YUKINOBU
Application Number:
JP2021095270A
Publication Date:
December 19, 2022
Filing Date:
June 07, 2021
Export Citation:
Assignee:
TAISEI CORP
International Classes:
E02D19/04; E02D29/09
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office