| abstract |
The utility model discloses a kind of Railway Prestressed Concrete continuous bridges of precast segment pin-connected panel, including two sides abutment pier and positioned at the middle pier at middle part, girder is provided on the abutment pier, middle pier, the girder is the prestressed concrete box girder for directly bearing train load along bridge is indulged to several prefabricated subsections, the girder is divided into.The girder prefabricated subsection can be carried out simultaneously with substructure, and assembled speed is fast, and the construction period is short.The girder prefabricated subsection is prefabricated in the factory, and construction quality is guaranteed.The jowar such as the utility model use, or increase and get higher contour segment length in girder span, reduction gets higher segment quantity, is conducive to segmental precast erection method construction, and handsome in appearance.The utility model reduces the later period and creeps, and realizes mechanization, standardized construction, and work progress is also more environmentally-friendly. |