Title:
PILE HEAD ISOLATION STRUCTURE AND CONSTRUCTION METHOD THEREOF
Document Type and Number:
Japanese Patent JP2019100087
Kind Code:
A
Abstract:
To provide a pile head isolation structure capable of fixing a seismic isolation device with large outside diameter according to a pile diameter to the pile head while reducing the construction period by using a precast pile, and a construction method thereof.SOLUTION: In a manufacturing step of a precast pile 2, the precast pile 2 having a cylindrical outer shell concrete 3 with a plurality of anchor bolts 4 embedded previously in the pile head at intervals in the peripheral direction is manufactured in such manner that ready mixed concrete is solidified into a cylindrical shape with the plurality of embedded anchor bolts 4. At the construction site, the precast pile 2 with the flat head 2a of the pile head filled with the solidifying member 6 is installed into the ground G first, and a seismic isolation device 10 is placed on the upper face of the pile head and is fixed to the precast pile 2 via the plurality of anchor bolts 4.SELECTED DRAWING: Figure 1
Inventors:
MURATA TETSUO
SUDO KATSUYA
TSUCHIDA TAKAAKI
HAYASHI HARUKA
SAKAGUCHI TOMOYA
MORI KIYOTAKA
IIZUKA SHINICHI
YAMAZAKI YASUO
OTA YUSUKE
NAKAZAWA MAKOTO
MIZUSHIMA KOSUKE
MASUNAGA SHOTA
SUDO KATSUYA
TSUCHIDA TAKAAKI
HAYASHI HARUKA
SAKAGUCHI TOMOYA
MORI KIYOTAKA
IIZUKA SHINICHI
YAMAZAKI YASUO
OTA YUSUKE
NAKAZAWA MAKOTO
MIZUSHIMA KOSUKE
MASUNAGA SHOTA
Application Number:
JP2017232249A
Publication Date:
June 24, 2019
Filing Date:
December 04, 2017
Export Citation:
Assignee:
TOA HARBOR WORKS CO LTD
AOKI ASUNARO KENSETSU KK
HAZAMA ANDO CORP
NISHIMATSU CONSTR CO LTD
HASEGAWA KOMUTEN KK
MITANI SEKISAN KK
AOKI ASUNARO KENSETSU KK
HAZAMA ANDO CORP
NISHIMATSU CONSTR CO LTD
HASEGAWA KOMUTEN KK
MITANI SEKISAN KK
International Classes:
E02D27/34; E02D27/00; E02D27/12
Domestic Patent References:
| JP2011226066A | 2011-11-10 | |||
| JP2011231574A | 2011-11-17 | |||
| JP2000336666A | 2000-12-05 | |||
| JP2013189797A | 2013-09-26 | |||
| JP2011058230A | 2011-03-24 | |||
| JP2005113413A | 2005-04-28 | |||
| JPH0291315A | 1990-03-30 | |||
| JP2006132169A | 2006-05-25 |
Foreign References:
| US5775038A | 1998-07-07 |
Attorney, Agent or Firm:
Seiryu International Patent Service Corporation
Takayoshi in the daytime
Masao Sakaizawa
Takayoshi in the daytime
Masao Sakaizawa