Title:
CONCRETE PILE WITH STRAIGHT CUSHIONING DEVICE II
Document Type and Number:
Japanese Patent JP2014114682
Kind Code:
A
Abstract:
To provide a concrete pile in which an additional concrete pile (4) is mounted with a straight cushion device II (01A) for minimizing the damage of an epicentral earthquake.
A straight cushion device II (01A) is fixedly welded (5) to a tip of an additional concrete pile (4), an air bag (04) is put inside of the straight cushion device II (01A), piston rings (PR) are attached to a tip of an initial concrete pile (3), and an L-shaped guide pin (03) is inserted into an L-shaped groove (02) of the straight cushion device II (01A) at an A point.
Inventors:
TAKESAKO OSAMU
Application Number:
JP2012286042A
Publication Date:
June 26, 2014
Filing Date:
December 10, 2012
Export Citation:
Assignee:
TAKESAKO OSAMU
International Classes:
E02D5/24