Title:
METHOD FOR CONSTRUCTING REVERSELY DRIVEN COLUMN AND REVERSELY DRIVEN COLUMN
Document Type and Number:
Japanese Patent JP2022102665
Kind Code:
A
Abstract:
To highly accurately and economically construct a reversely driven column in which a column material composed of a steel pipe and a reinforced concrete-made pile body are integrated with each other in an underground trench.SOLUTION: A method for constructing a reversely driven column including a column material composed of a steel pipe and a reinforced concrete-made pile body having a rectangular cross section includes the steps of: excavating the ground, and constructing an underground trench having a rectangular cross section; building a reinforcement cage in the underground trench, and suspending and positioning the column material; inserting a tremie pipe into the underground trench, and arranging the tremie pipe in an internal corner part; and driving concrete into the underground trench using the tremie pipe.SELECTED DRAWING: Figure 4
Inventors:
SUZUKI TAKESHI
YABE FUMIO
ARAKAWA MAKOTO
YABE FUMIO
ARAKAWA MAKOTO
Application Number:
JP2020217534A
Publication Date:
July 07, 2022
Filing Date:
December 25, 2020
Export Citation:
Assignee:
OHBAYASHI CORP
International Classes:
E02D29/05; E02D5/30; E02D7/00
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation