| 摘要 |
PURPOSE:To remove safely and efficiently a form timbering used to construct bridge concrete. CONSTITUTION:Pullout rails 15 and 15 projecting outward by crossing the other side from one side in the width direction of a bridge concret B are installed on the under side of the bridge concrete B constructed by using a form timbering A whose both ends are supported with leg part structures 1 and 1 of a bridge. Moving devices 20 are installed in the form timbering so as to be capable of traveling by being supported with the pullout rails 15 and 15. After placed concrete is hardened, the timbering A is suspended from the pullout rails 15 and 15, and is moved outside of the bridge concrete B, and is dismantled and removed. |
