Abstract
The stiffness, length and weight per unit length of the guiding beam had significant effect on the internal forces of the girder during the construction. The appropriate parameters could reduce internal forces, and save materials and ensure construction safety. The effect of different parameters of the guiding beam on the behavior of girder during the construction was analyzed to determine a reasonable parameter of guiding beams on continuous curved girder bridge of spatial truss structure with concrete filled steel tubular in incremental launching construction. The results of the analysis could provide technical data the design of other launching nose for continuous curved girder bridge of spatial truss structure with concrete filled steel tubular in incremental launching construction.
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