Title:
PILE HEAD SEISMIC ISOLATION STRUCTURE
Document Type and Number:
Japanese Patent JP2022180689
Kind Code:
A
Abstract:
To provide a pile head seismic isolation structure capable of compactly realizing a strong skeleton.SOLUTION: A pile head seismic isolation structure 20A in which a seismic isolation device 4 is installed on a pile head 21t of a foundation pile 21 comprises a prefabricated concrete foundation pile 21, a foundation reinforced concrete portion 23A in which the pile head 21t of the foundation pile 21 is covered and the seismic isolation device 4 is installed, and a pile head reinforcing material 30 embedded in the foundation reinforced concrete portion 23A. The pile head reinforcing material 30 has a plurality of vertical reinforcing bars 31 each formed in an U-shape and provided radially with respect to a hollow portion 21h provided in the center of a cross section of the foundation pile 21, and an annular horizontal reinforcing bar 32 bound to vertical reinforcing bar 31. One material end 31s of each of the plurality of vertical reinforcing bars 31 is embedded in a concrete body 24 filled in the hollow portion 21h of the foundation pile 21, and the other material end 31t is embedded in the foundation reinforced concrete portion 23.SELECTED DRAWING: Figure 1
More Like This:
Inventors:
ONO HITOMI
ARIYAMA NOBUYUKI
ISAKA TAKANORI
SHIBATA YOSHINOBU
ICHIKAWA HIROMASA
ARIYAMA NOBUYUKI
ISAKA TAKANORI
SHIBATA YOSHINOBU
ICHIKAWA HIROMASA
Application Number:
JP2021087301A
Publication Date:
December 07, 2022
Filing Date:
May 25, 2021
Export Citation:
Assignee:
TAISEI CORP
International Classes:
E02D27/34; E02D5/34; E02D27/12
Attorney, Agent or Firm:
Sonoda & Kobayashi Patent Attorneys Corporation