Title:
鋼管杭の杭頭構造
Document Type and Number:
Japanese Patent JP7398123
Kind Code:
B2
Abstract:
To provide a pile head structure comprising a pile head base plate provided on a pile head portion for connecting the pile head portion made to rotationally penetrate underground with a foundation beam of a building, which can be simply and securely fixed to a steel pipe pile upper end and can make connection with a foundation beam easy.SOLUTION: A pile head structure 1 weld-fixes a pile head base plate 3 for fixing a foundation beam of a building to an upper end portion 2a at a prescribed height of a steel pipe pile 2 made to penetrate underground. The pile head base plate 3 is constituted of: a connection pipe 5 weld-fixed to a peripheral edge of an opening portion 4 and having an outer diameter and an inner diameter that are the same as those of the steel pipe pile 2; and a backing fitting 7 provided on an outer peripheral face of a weld portion 6 of the upper end portion 2a of the steel pipe pile and the connection pipe 5.SELECTED DRAWING: Figure 1
Inventors:
Ikuo Suzuki
Application Number:
JP2021094081A
Publication Date:
December 14, 2023
Filing Date:
June 04, 2021
Export Citation:
Assignee:
Tobu Co., Ltd.
International Classes:
E02D27/12
Domestic Patent References:
| JP2008045337A | ||||
| JP3161542U | ||||
| JP2016003507A | ||||
| JP2011115817A | ||||
| JP2012035309A | ||||
| JP2016070047A | ||||
| JP49066206U |
Attorney, Agent or Firm:
Kazuyasu Ohnuki