Title:
CONSTRUCTION METHOD OF CAISON SIDE WALL PART AND INNER FORM OF CAISON SIDE WALL PART
Document Type and Number:
Japanese Patent JP2023104515
Kind Code:
A
Abstract:
To provide a construction method of a caison side wall part and an inner form of the caison side wall part allowing a position of the inner form to be fixed without lowering safety and workability.SOLUTION: An inner form 51 comprises: a cylindrical inner form body 53 installed along a position corresponding to an inner peripheral surface of a side wall part 2; and an air bulk 54 installed along a whole circumference of the inner peripheral surface of the inner form body 53, which expands when air is filled therein and contracts when the air inside is discharged. A form installation process comprises: an inner form installation process for installing the inner form 51 so as to surround an exclusive shaft 3 (shaft) in a state that the air bulk 54 is contracted; and an air bulk expansion process for expanding the air bulk 54 between the inner form body 53 and the exclusive shaft 3. A form removal process comprises an air bulk contraction process for contracting the air bulk 54, and an inner form removal process for removing the inner form 51.SELECTED DRAWING: Figure 9
Inventors:
SAWADA TAIKI
ONO HIROTSUGU
ENDO KAZUO
ONO HIROTSUGU
ENDO KAZUO
Application Number:
JP2022005544A
Publication Date:
July 28, 2023
Filing Date:
January 18, 2022
Export Citation:
Assignee:
SHIMIZU CONSTRUCTION CO LTD
International Classes:
E02D23/00
Attorney, Agent or Firm:
Yasushi Matsunuma
Kenichi Kawabuchi
Kazuzumi Nishizawa
Kenichi Kawabuchi
Kazuzumi Nishizawa
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