To improve reinforcing work efficiency and reinforcing performance of a lip channel steel material.
This reinforcing structure 10 is installed on an outside surface of a pair of lip parts 4 of the lip channel steel material 1 by using a locking hole 6 formed in the lip parts 4; and has a first reinforcing plate 11 capable of superposing both end parts in the width direction on the pair of lip parts 4, an inserting member 13 fitted to and inserted into the locking hole 6 by extending from both ends in the width direction of the first reinforcing plate 11, a second reinforcing plate 12 superposably connected to the first reinforcing plate 11, and a locking member 14 extending from both ends in the width direction of the second reinforcing plate 12. The second reinforcing plate 12 is superposed on the first reinforcing plate 11 superposed on the lip parts 4, and the inserting member 13 is first fitted to and inserted into the locking hole 6, and then, the locking member 14 is pressed in, and the lip channel steel material 1 is reinforced from its opening part 5 side by both superposed reinforcing plates 11 and 12.
Hideka Tanaka
Yoshiyuki Shiraishi
Kunihiko Shiromura
Tsuyoshi Kumano
Hiroaki Yamane