| 摘要 |
PURPOSE: A temporary bridge is provided to construct a long span temporary bridge by generating an upward force in a girder and extending a distance between bents. CONSTITUTION: A temporary bridge (100) comprises a bent (10), a girder (40), an upward force generation part (30), and a lining board (50). A plurality of bents is offset from each other at a predetermined gap and is fixed to the ground. A plurality of girders is installed in the top of the bent to interconnect the bents. The upward force generation part is downwardly curved and generates an upward force in the girder. The center of the upward force generation part is fixed to the bent in the bottom. Both curved ends of the upward force generation part are movably fixed to the girder. |
