| 摘要 |
PURPOSE:To shorten the construction period of bridge work by simultaneously carrying out both built-up work of reinforcement and built-up work of a form for a girder bridge by a construction device capable of driving forward. CONSTITUTION:A construction device is constituted of a horizontal beam 6 provided to a bridge A and a main structure 1 formed of a main beam 7 overhanged and provided to the existing bridge A. The main structure 1 is fixed with an anchor member 8, and in the case the fixing is released, it can be delivered forward by a rail provided to the bridge A. In addition, hanging members 10 are provided to the main structure 1 to hang and hold an internal form and an external form, concrete placement and stripping can be made and, at the same time, an operation scaffold 4 having a reinforcing bar built-up yard B and an operation yard C is provided. Then, reinforcing bars are built up at the reinforcing bar built-up yard B of the operation scaffold 4, and while, both assembly of a form for a girder bridge and work of arrangement for a reinforced cage are excuted at a time in the operation yard C. |
