| 摘要 |
PROBLEM TO BE SOLVED: To achieve safe and efficient construction. SOLUTION: Box beam-type timbering members 4 are stretched, at predetermined intervals on a plurality of temporary beams 8 stretched across piers 7, 7, and a concrete form 9 for constructing a bridge girder is set via a plurality of jacks on the box beam-type timbering members 4. Each box beam-type timbering member 4 is made up of a plurality of beam frame members 1 extended in parallel with each other, a plurality of tie frame members stretched between the beam frame members at predetermined intervals, and horizontal tie members.
|
