COFFERDAM STRUCTURE, AND CONSTRUCTION METHOD OF CONSTRUCTION WORK IN RIVER USING COFFERDAM STRUCTURE

Title:

COFFERDAM STRUCTURE, AND CONSTRUCTION METHOD OF CONSTRUCTION WORK IN RIVER USING COFFERDAM STRUCTURE

Document Type and Number:

Japanese Patent JP2022059200

Kind Code:

A

Abstract:

To provide a cofferdam structure capable of improving workability, economical efficiency, and safety.SOLUTION: A cofferdam structure comprises: a fixed cofferdam structural body 1 constituted so as to extend from a water bottom Wb to a water surface Ws side; and a detachable cofferdam structural body 2 detachably attached to the fixed cofferdam structural body 1 via an attachment/detachment device 3. The detachable cofferdam structural body 2 includes: a water cut-off wall 20; and a reinforcement portion 21 reinforcing the water cut-off wall 20. The reinforcement portion 21 is attached to one wall face 20a of the water cut-off wall 20.SELECTED DRAWING: Figure 1

More Like This:

JP5872724	Construction method of temporary deadline structure underwater
JP6351776	Installation method of temporary cut-off structure used for pier repair / reinforcement work
JPH09242080	CONSTRUCTION METHOD OF WATER CUT-OFF IN WATER AREA COFFERDAM WORK

Inventors:

NAKAJIMA SHUSAKU
NOZAWA JUNICHIRO
ERA KOICHI
TORIYAMA TSUYOSHI
SHIKI TSUNEKAZU
TOYOSHIMA MIKIHIRO

Application Number:

JP2020166787A

Publication Date:

April 13, 2022

Filing Date:

October 01, 2020

Export Citation:

Click for automatic bibliography generation Help

Assignee:

KUMAGAI GUMI CO LTD

International Classes:

E02D19/04

Attorney, Agent or Firm:

Yasuo Miyazono

Previous Patent: JPWO2022059199

Next Patent: Hydroxypropylmethylcellulose phthalate and its production method and composition for heat melt extru...