Title:
ASEISMATIC REINFORCEMENT STRUCTURE OF CONSTRUCTION
Document Type and Number:
Japanese Patent JP3639294
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an aseismatic reinforcement structure of a construction which enables cost reduction and shortening of a construction period and is easily executed even at a narrow work site.
SOLUTION: In the aseismatic reinforcement structure of an existing pier 10 supporting a footing 11 on heads 12b of a plurality of piles 12 with top ends 12a driven up to a support layer 7 and reinforcing the circumference of the existing footing 11, a square cylindrical steel sheet pile wall 13 is provided in the ground 8 around the existing footing 11 and a plurality of extension piles 14 with top ends 14a driven up to the support 7 are provided in the ground 8 between the existing footing 11 and the square cylindrical steel sheet pile wall 13, and concrete 15 is increasedly placed between the square cylindrical steel sheet pile wall 13 and the footing 11 to combine the existing footing 11 with the steel sheet pile wall 13 and fix them. The ground 8 right under the existing footing 11 in the square cylindrical steel sheet pile wall 13 and the increased concrete 15 is solidified and improved by filling a predetermined hardener to a depth in a range effective in horizontal resistance of the plurality of the existing piles 12 and the plurality of the extension piles 14.
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Inventors:
Shioi, Yukitake
Kato, Yasushi
Oya, Tsutomu
Aoyanagi, Mamoru
Kato, Yasushi
Oya, Tsutomu
Aoyanagi, Mamoru
Application Number:
JP2003000424229
Publication Date:
January 21, 2005
Filing Date:
December 22, 2003
Export Citation:
Assignee:
Shioi, Yukitake
FUDO CONSTR CO LTD
NITTOC CONSTR CO LTD
SHIRAISHI CORP
FUDO CONSTR CO LTD
NITTOC CONSTR CO LTD
SHIRAISHI CORP
International Classes:
E02D27/34; E01D19/02; E01D22/00; (IPC1-7): E02D27/34; E01D19/02; E01D22/00