Title:
EXECUTION METHOD OF STEEL PIPE PILE FOR ROTARY PRESS-IN
Document Type and Number:
Japanese Patent JP2000054381
Kind Code:
A
Abstract:
To provide the execution method of a rotary-press-in steel pipe pile, by which the state of slipping is solved rapidly when the rotary press-in steel pipe pile is slipped and excavation driving force is recovered.
The steel pipe pile 23 for rotary press-in having a blade 12 at a front end section is pressed gradually into a ground 24 while being propelled and turned. When the penetration of the steel pipe pile 23 for rotary press-in is slowed remarkably at that time the steel pipe pile 23 for rotary press-in is pulled out at a proper distance while being reversely revolved, and the steel pipe pile 23 for rotary press-in is pressed into the ground 24 again while being propelled and rotated.
Inventors:
SAEKI EIICHIRO
OKI HITOSHI
TAKEDA TOMOKI
OKI HITOSHI
TAKEDA TOMOKI
Application Number:
JP22144398A
Publication Date:
February 22, 2000
Filing Date:
August 05, 1998
Export Citation:
Assignee:
NIPPON STEEL CORP
International Classes:
E02D7/20; E02D7/22; (IPC1-7): E02D7/22; E02D7/20
Attorney, Agent or Firm:
Nobuyuki Hayashi