Title:
COLUMNAR STRUCTURE REPLACING METHOD
Document Type and Number:
Japanese Patent JP2023143633
Kind Code:
A
Abstract:
To enable efficient changing to a columnar structure without newly drilling by using an existing columnar structure.SOLUTION: This columnar structure replacing method comprises the steps of: cutting an existing columnar structure 1A while leaving a base 11; filling the inside of the base 11 left on a concrete foundation 3 with a filler and fixing an anchor bar 4 to concrete 30 to be erected; fitting a connection tool 50 to the projection tip of the anchor bar 4 erected on the base 11; and erecting a new columnar structure 1B in the connection tool 50. The connection tool 50 is provided with a fixed base 51 mounted at the upper end of the base 11. The fixed base 51 has a bolt hole which is formed to penetrate the fixed base 51 in a thickness direction and into which the anchor bar 4 can be inserted. In the step of fitting the connection tool 50 to the anchor bar 4, the projection tip of the anchor bar 4 is inserted through the bolt hole and fastened from above the fixed base 51 by a nut.SELECTED DRAWING: Figure 9
Inventors:
SASAKI KOJI
HISHIDA CHIKA
NISHIKAWA HISATOSHI
HISHIDA CHIKA
NISHIKAWA HISATOSHI
Application Number:
JP2022157021A
Publication Date:
October 06, 2023
Filing Date:
September 29, 2022
Export Citation:
Assignee:
SKT CO LTD
HISHIDA CHIKA
NISHIKAWA HISATOSHI
AIREC ENG CORP
HISHIDA CHIKA
NISHIKAWA HISATOSHI
AIREC ENG CORP
International Classes:
E04G23/02; E02D27/00; E04H12/22; H02G1/02; H02G7/00
Attorney, Agent or Firm:
Kazuzumi Nishizawa
Kenichi Kawabuchi
Hiroyuki Matsumoto
Kenichi Kawabuchi
Hiroyuki Matsumoto
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