Title:
場所打ち拡径杭の構築方法
Document Type and Number:
Japanese Patent JP7171328
Kind Code:
B2
Abstract:
To provide a cast-in-place diameter enlarged pile and construction method for the same that have large support force using the diameter enlarged section and that can resist large sectional stress caused on the shaft section.SOLUTION: The cast-in-place diameter enlarged pile has a diameter enlarged section 7. The diameter enlarged section 7 is provided with a switching complete height H that is a concrete strength boundary. The upper concrete above the switching complete height H has higher strength than that of the lower concrete.SELECTED DRAWING: Figure 6
Inventors:
Ishizaki Sadayuki
Yoshihiro Horii
Toru Watanabe
Yoshihiro Horii
Toru Watanabe
Application Number:
JP2018171179A
Publication Date:
November 15, 2022
Filing Date:
September 13, 2018
Export Citation:
Assignee:
Taisei Corporation
International Classes:
E02D5/34; E02D5/44
Domestic Patent References:
| JP2018119303A | ||||
| JP52014005A | ||||
| JP6063631U | ||||
| JP7138948A | ||||
| JP61290120A |
Foreign References:
| US20180216305 |
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office