Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PILE AND METHOD FOR REMOVING UPPER PILE
Document Type and Number:
Japanese Patent JP2019183536
Kind Code:
A
Abstract:
To provide a pile and a method for removing an upper pile that has a simple structure, has sufficient strength against shearing, is inexpensive to manufacture, and can be easily removed from the upper side after being installed in the ground.SOLUTION: The vicinity of a lower end of a flange 5 of an upper pile 1 is brought into contact with a shear plate 33 fixed in parallel with a flange 7 near an upper end of the flange 7 of a lower pile 3 of a pile 39. Moreover, long bolt 41 is passed through a pair of joining plates 4 in which an upper pile lower plate 15 on a lower end surface of the upper pile 1 and a lower pile upper plate 17 on an upper end surface of the lower pile 3 are overlapped, and an upper pile upper plate provided in the upper pile 1 above the upper pile lower plate 15. A lower end 45 of the long bolt 41 is screwed into a nut 31 of the lower pile upper plate 17 to temporarily fix the upper pile 1 and the lower pile 3. In order to remove the upper pile 1 of the buried pile 39, the upper pile upper plate is exposed, the temporary fixing of the long bolt 41 to the nut 31 is released, and the upper pile 1 is pulled up to the ground side.SELECTED DRAWING: Figure 3

Inventors:
OKUBO KENJI
INOUE TADASHI
ICHINOMIYA TOSHIMICHI
TAIRA YOHEI
YOKOTA YUKI
KARASAWA ATSUSHI
SAKAMOTO NAOKI
Application Number:
JP2018077477A
Publication Date:
October 24, 2019
Filing Date:
April 13, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KAJIMA CORP
International Classes:
E02D5/20; E02D5/52
Domestic Patent References:
JP2011063957A2011-03-31
JP2008255688A2008-10-23
JP2010236178A2010-10-21
JPS6148606A1986-03-10
JPS5069807U1975-06-20
JP2016223083A2016-12-28
JP2001064960A2001-03-13
JPH05156628A1993-06-22
JPH02183009A1990-07-17
JP2007277975A2007-10-25
Foreign References:
US20060120810A12006-06-08
Attorney, Agent or Firm:
Seiichi Inoue