Title:
RECONSTRUCTION METHOD OF PILE FOUNDATION AND PILE FOUNDATION STRUCTURE
Document Type and Number:
Japanese Patent JP2015172329
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a construction method of a foundation structure which can easily construct a foundation structure supporting a superstructure in a base-isolated manner and having a pile head semi-rigid connection function, and a foundation structure.SOLUTION: A reconstruction method of a pile foundation includes: a pile driving step of arranging a plurality of temporary piles around an existing pile 20; an excavation step of forming a work pit by excavating around a pile head part of the existing pile 20; a pile cutting step of shifting application of the self weight of a superstructure so that the temporary piles receives the self weight and cutting the pile head part of the existing pile 20; and a base isolation step of inserting a base isolation device 30 between a foundation slab 11 and the existing pile 20 and forming a new pile head part 22 decreasing in a diameter upward, right under the base isolation device 30. A pile foundation structure is formed by the reconstruction method.
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Inventors:
KOMURO TSUTOMU
KANEDA KAZUHIRO
IIZUKA TAKAFUMI
HORII YOSHIHIRO
KANEDA KAZUHIRO
IIZUKA TAKAFUMI
HORII YOSHIHIRO
Application Number:
JP2015136577A
Publication Date:
October 01, 2015
Filing Date:
July 08, 2015
Export Citation:
Assignee:
TAISEI CORP
International Classes:
E02D27/34; E02D27/12
Domestic Patent References:
| JPH10299007A | 1998-11-10 | |||
| JPH10246004A | 1998-09-14 | |||
| JP2002138497A | 2002-05-14 | |||
| JP2007255168A | 2007-10-04 | |||
| JP2008285952A | 2008-11-27 | |||
| JP2006104883A | 2006-04-20 | |||
| JP2001011853A | 2001-01-16 | |||
| JPH10299007A | 1998-11-10 | |||
| JPH10246004A | 1998-09-14 | |||
| JP2002138497A | 2002-05-14 |