Title:
SPIRAL SHAPED BLADE-EQUIPPED STEEL PIPE PILE, COMPOSITE PILE, AND COMPOSITE PILE CREATION METHOD
Document Type and Number:
WIPO Patent Application WO/2015/141639
Kind Code:
A1
Abstract:
Provided is a spiral shaped blade-equipped steel pipe pile that can effectively improve comparatively soft ground in which the clay stratum and the like exists, to a position below the ground surface several meters deep. A spiral shaped blade-equipped steel pipe pile (1) is provided with a steel pipe pile main body (10) and at least one spiral shaped blade (20) which is attached to the steel pipe pile main body (10), wherein the diameter (D) of the spiral shaped blade (20) is set to be at least three times the diameter (d) of the steel pipe pile main body (10).
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Inventors:
KIJIMA YOSUKE (JP)
ITO DAISUKE (JP)
NAKAHAMA KENICHI (JP)
ITO DAISUKE (JP)
NAKAHAMA KENICHI (JP)
Application Number:
PCT/JP2015/057751
Publication Date:
September 24, 2015
Filing Date:
March 16, 2015
Export Citation:
Assignee:
ASAHI KASEI CONSTR MAT CO LTD (JP)
International Classes:
E02D5/56; E02D5/46
Foreign References:
| JP3188808U | ||||
| JP2001311147A | 2001-11-09 | |||
| JP2000054375A | 2000-02-22 | |||
| JPH01142122A | 1989-06-05 | |||
| JP2002348864A | 2002-12-04 | |||
| JP2000154537A | 2000-06-06 | |||
| JP2004332431A | 2004-11-25 | |||
| US20130101360A1 | 2013-04-25 |
Other References:
See also references of EP 3121339A4
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
Yoshiyuki Inaba (JP)
Yoshiyuki Inaba (JP)
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