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Title:
COFFERDAM STRUCTURE AND CONSTRUCTION METHOD FOR THE SAME
Document Type and Number:
Japanese Patent JP2013091923
Kind Code:
A
Abstract:

To enable a reduction in underwater work, and to enable a fixation state to a support member to be easily and visually recognized from the outside.

A cofferdam structure includes: a lower support frame 2 which is fixedly provided on a wall surface H at a peripheral edge of an opening of a water intake 110 of a dam body 11; a plurality of loading units 5A-5D which are configured into a cylindrical body 6 by being loaded along the height direction of the wall surface H in the lower support frame 2 so as to form a working space W between surrounding water and the wall surface H; and an upper support frame 7 which is fixedly provided on the wall surface H positioned on the water and to which the uppermost loading unit 5D positioned on the water is fixed.


Inventors:
Katayama, Hiroshi
Uchida, Harufumi
Yamanoguchi, Hiroshi
Application Number:
JP2011000233090
Publication Date:
May 16, 2013
Filing Date:
October 24, 2011
Export Citation:
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Assignee:
CHUGOKU ELECTRIC POWER CO INC:THE
MAEDA CORP
International Classes:
E02B7/00; E02B3/06; E02D19/04
Domestic Patent References:
JPH11100830A1999-04-13
JP4588804B12010-12-01
JPH0941389A1997-02-10
Attorney, Agent or Firm:
藤本 昇
薬丸 誠一