Title:
鋼管杭および鋼管杭の施工方法
Document Type and Number:
Japanese Patent JP7277726
Kind Code:
B2
Abstract:
To prevent deformation during excavation to maintain a function of excavation bits.SOLUTION: A steel pipe pile (10) comprises: a steel pipe body (11); and plate-like excavation bits (12) that are attached on an end surface (11E) of the steel pipe body (11) at angles (θ1, θ2) to circumferential tangents of the steel pipe body (11). The excavation bit (12) includes at least one set of an inner bit (121) and an outer bit (122) having at least a partial overlap in the circumference direction of the steel pipe body (11).SELECTED DRAWING: Figure 1
Inventors:
Kazuhide Toda
Shinji Taenaka
Yoshiro Ishihama
Yoshitaka Yanagi
Yuki Kusaka
Shoichi Tanabe
Shinji Taenaka
Yoshiro Ishihama
Yoshitaka Yanagi
Yuki Kusaka
Shoichi Tanabe
Application Number:
JP2019076309A
Publication Date:
May 19, 2023
Filing Date:
April 12, 2019
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
E02D5/28; E02D7/22
Domestic Patent References:
| JP2005299191A | ||||
| JP2009249893A | ||||
| JP53070507A | ||||
| JP5033572A | ||||
| JP2017227022A | ||||
| JP53040004U | ||||
| JP2000154693A |
Attorney, Agent or Firm:
Patent Attorney Corporation Kinoshita Intellectual Property Office