Demolition of the main pier consolidation, temporary support - drop beam - pouring back wall concrete ---- the demolition of the whole bridge construction load - bridge and railing construction, installation of ancillary facilities - full bridge.
The installation span closure section hanging formwork installation, closure segment skeleton, formwork, steel banding, installation of prestressed pipe and the core concrete - span closure section, concrete curing - tension closure segment longitudinal, transverse and vertical prestressed grouting, demolition - span closure segment construction support.
Install side span closure section, installation of hanging mold closure segment skeleton, formwork, steel banding, installation of prestressed pipe and the core concrete pouring, side span closure segment and maintenance - tension closure segment longitudinal, transverse and vertical prestressed grouting, removing the side line and cross - - side span closure segment construction support the landing gear box girder.