Title:
CORROSION PROTECTION METHOD OF STEEL PIPE, AND STEEL PIPE PILE AND STEEL PIPE SHEET PILE
Document Type and Number:
Japanese Patent JP2016130345
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a corrosion protection method that can obtain sufficient anticorrosive effect on a steel pipe at least partially embedded in soil, without affecting the surrounding facilities.SOLUTION: A corrosion protection method of a steel pipe is a corrosion protection method of a steel pipe such as a steel pipe pile 1 whose upper end opening 1a is opened upward and whose lower end opening 1b is at least partially embedded in soil 2 so as to be located in the soil 2. An inert gas 4 is blown into the steel pipe pile 1 from the upper end opening 1a to supply the inert gas 4 from the inside of the steel pipe pile 1 into the soil 2. The steel pipe pile 1 preferably has a plurality of through holes 1c, in side surface thereof, for supplying the inert gas 4 from the inside of the steel pipe pile 1 into the soil 2.SELECTED DRAWING: Figure 5
Inventors:
KATO YUSUKE
IMAFUKU KENICHIRO
IMAFUKU KENICHIRO
Application Number:
JP2015005345A
Publication Date:
July 21, 2016
Filing Date:
January 14, 2015
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP
International Classes:
C23F15/00
Domestic Patent References:
| JPH05311646A | 1993-11-22 | |||
| JP2001003354A | 2001-01-09 | |||
| JPH05311646A | 1993-11-22 | |||
| JP2001003354A | 2001-01-09 | |||
| JPS58157979A | 1983-09-20 | |||
| JPH11180495A | 1999-07-06 | |||
| JP2014134007A | 2014-07-24 |
Attorney, Agent or Firm:
Patents corporation Blitas