Title:
螺旋状羽根付鋼管杭及び合成杭並びに合成杭の造成方法
Document Type and Number:
Japanese Patent JP6449243
Kind Code:
B2
Abstract:
There is disclosed a steel pipe pile with spiral blades which is capable of effectively improving comparatively soft ground in which a clay layer and the like are present at deep positions of several ten meters beneath the surface of the ground. A steel pipe pile 1 with spiral blades comprises a steel pipe pile main body 10 and one or more spiral blades 20 attached to the steel pipe pile main body 10, and a diameter D of the spiral blade 20 is set to three times or more as large as a diameter d of the steel pipe pile main body 10.
Inventors:
Yosuke Kijima
Daisuke Ito
Kenichi Nakahama
Daisuke Ito
Kenichi Nakahama
Application Number:
JP2016508721A
Publication Date:
January 09, 2019
Filing Date:
March 16, 2015
Export Citation:
Assignee:
Asahi Kasei Building Materials Co., Ltd.
International Classes:
E02D5/56; E02D5/28; E02D5/46
Domestic Patent References:
JP2004332431A | ||||
JP3188808U | ||||
JP1142122A | ||||
JP2002348864A | ||||
JP2000154537A | ||||
JP2007255021A | ||||
JP11140869A |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito