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Title:
PERMANENT SUB-STRUCTURAL COLUMN ERECTION METHOD AND PERMANENT SUB-STRUCTURAL COLUMN ERECTION APPARATUS
Document Type and Number:
Japanese Patent JP2019131990
Kind Code:
A
Abstract:
To provide a permanent sub-structural column erection method capable of erecting a permanent sub-structural column in a cast-in-place pile in a short time with precision when constructing a building using an inverted construction method.SOLUTION: A permanent sub-structural column erection method comprises: a step S1 of installing a rotation type excavator 30 on the ground level 2, excavating a pile hole 3 through rotating a casing 31 with the rotation type excavator 30, and forming a cast-in-place pile 20 through filling concrete in the pile hole 3; steps S2, S3 of attaching erection frames 50 on the rotation type excavator 30, installing a guide pipe 60 inside of the casing 31 of the rotation type excavator 30 through being supported by the erection frames 50, and adjusting horizontal positions and vertical accuracy of the guide pipe 60; a step S4 of hanging down a permanent sub-structural column 10 along an inner side of the guide pipe 60 inserting it into the cast-in-place pile 20; and a step S5 of removing the guide tube 60 and the erection frames 50 and then backfilling sediment 4 in the pile hole 3.SELECTED DRAWING: Figure 7

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Inventors:
NAKAMURA NORIAKI
TANAKA MASATO
TANAKA RYUICHI
CHONO MASARU
TANAMACHI KENICHI
KAWAKUBO YUJI
TAKASHIMA HIROYUKI
KASHIWAGI EIJI
Application Number:
JP2018013452A
Publication Date:
August 08, 2019
Filing Date:
January 30, 2018
Export Citation:
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Assignee:
TAISEI CORP
TAIYO KISO KK
International Classes:
E02D13/04; E02D5/34; E02D29/045; E21D13/00
Domestic Patent References:
JPS57219A1982-01-05
JPH1161812A1999-03-05
JPH05125729A1993-05-21
JP2003166256A2003-06-13
JPH01244018A1989-09-28
JPH108468A1998-01-13
Attorney, Agent or Firm:
Hisato Kuroiwa