Abstract:

The start elements of Tshaped girder bridges, which have numerous embedded parts, concentrated pipes and complex structural stress, are critical parts of bridge construction. On basis of the construction of the start elements of Daqiaoxiang bridge, the author presents the design of the brackets and formworks, the tensioning of the prestressed boxes, the duct grouting technology, the construction of ordinary rebars and concrete casting.

Key words:  , continuous Tshaped girderstart elementconstructiontechnology