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Title:
UNDERWATER STRUCTURE REINFORCING METHOD AND UNDERWATER STRUCTURE
Document Type and Number:
Japanese Patent JP2009074269
Kind Code:
A
Abstract:

To provide an underwater structure reinforcing method which is implemented by constructing a cofferdam wall around an underwater structure, extending short struts between the cofferdam wall and the underwater structure, and finishing additional concrete placed around the underwater structure at locations corresponding to the short struts, and can the long-term unstable state of the constructed cofferdam wall.

A bearing replacing beam 50 is mounted between the surface of the concrete 40 in the vicinity of the short strut 20 and the temporary cofferdam wall 10, the short strut 20 is contracted by the contraction of a jack 22, and a steel plate 60 having a filling port 60B is made to abut on the surface of the concrete 40 in a manner of covering a recess 40A formed at the surface of the concrete 40 at a location corresponding to the short strut 20. Then, the short strut 20 is extended by the extension of the jack 22, the short strut 20 is mounted between the steel plate 60 and the cofferdam wall 10, and mortar 61 is filled into the recess 40A via the filling port 60B.


Inventors:
KUROSE YUSHI
MATSUMOTO SHIN
Application Number:
JP2007242711A
Publication Date:
April 09, 2009
Filing Date:
September 19, 2007
Export Citation:
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Assignee:
OHBAYASHI CORP
International Classes:
E01D19/02; E01D22/00; E02D19/04
Domestic Patent References:
JP2003232044A2003-08-19
JP2005120663A2005-05-12
JP2002206238A2002-07-26
JPH05132939A1993-05-28
JPH11222818A1999-08-17
JP2003328319A2003-11-19
JPH0610339A1994-01-18
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation