| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lining reinforcing bar which allows reinforcing bars for strengthening to be efficiently installed at a prescribed pitch along the outer peripheral surface of a concrete column having a square cross-sectional shape. <P>SOLUTION: A lining reinforcing bar 10 is installed along the outer peripheral surface of A concrete column 20 when forming a reinforcing body 11 which reinforces the concrete column 20 having the square cross-sectional shape, and is installed around the concrete column 20 by joining a plurality of processed reinforcing bars 14 and continuing them in a square spiral shape. The processed reinforcing bar 14 includes a U-shaped body part 14a having two corner parts 14d so as to be in a U shape along three side parts 20e of the square cross-sectional shape of the concrete column 20, and a projected joint part 14b bent and extended from the distal end of one end part of the U-shaped body part 14a. By joining the projected joint part 14b and the other end part 14c of the U-shaped body part 14a, the plurality of processed reinforcing bars 14 are continued in the square spiral shape. <P>COPYRIGHT: (C)2012,JPO&INPIT |
