Title:
アンカーテンドン
Document Type and Number:
Japanese Patent JP7399777
Kind Code:
B2
Abstract:
To provide an anchor tendon which enables construction of an anchor body excellent in cut-off property and safety and is used in an anchor.SOLUTION: An anchor tendon has a plurality of tendons 2 arranged in a bundle shape and a packer 3 that surrounds the bundle of the tendons 2 and can be expanded in substantially a doughnut shape, and constitutes an anchor by being inserted to an anchor hole H so that a hole bottom side of the anchor hole H is embedded in a filler C. The packer 3 is provided so that at least the vicinity of the end on a hole port side of the anchor hole H is fixed to the bundle of the tendons 2 through a hole port side fixing material 4a, and an outer peripheral surface of a liquid leakage prevention member 5 for blocking a gap between the adjacent tendons 2 is brought into contact with an arrangement position of the hole port side fixing material 4a. The liquid leakage prevention member 5 includes a hard water cut-off member 61 brought into close contact with the tendons 2, and a cut-off buffer member 62 which is brought into contact with the hard water cut-off member 61 and the tendons 2 and is positioned between the hard water cut-off member 61 and the filler C.SELECTED DRAWING: Figure 2
Inventors:
Atsushi Tokunaga
Yunobu Inagawa
Akira Yamamoto
Hideaki Kawasaki
Nobutoshi Shimizu
Atsushi Nasu
Yunobu Inagawa
Akira Yamamoto
Hideaki Kawasaki
Nobutoshi Shimizu
Atsushi Nasu
Application Number:
JP2020065741A
Publication Date:
December 18, 2023
Filing Date:
April 01, 2020
Export Citation:
Assignee:
Obayashi Corporation
Dam Technology Center
Moriya Koki Co., Ltd.
Dam Technology Center
Moriya Koki Co., Ltd.
International Classes:
E02D5/80
Domestic Patent References:
| JP6128952A | ||||
| JP2008248645A | ||||
| JP2006188845A | ||||
| JP2001040980A | ||||
| JP6185052A | ||||
| JP4363499A |
Attorney, Agent or Firm:
Patent Attorney Corporation Isshiki International Patent Office