When the prefabricated plant is under the viaduct, the monolithic box girder is lifted by the Gantry Crane and transported by the special rotary traversed platform, and then transported and erected by the bridge girder transporting and erecting machine.

• 当预制梁场设在高架桥下时，采用提梁机提起整孔箱梁，通过特制旋转式横移平台喂梁，运架一体式架桥机运梁和架梁。