Emergency repair method for concrete box girder

Emergency repair method for concrete box girder, precast concrete roof by the group fight, concrete floor, corrugated steel web, in order to achieve concrete box girder of rail, road and urban transport lines of emergency repair and rapid recovery. Using this method to achieve rapid and effective emergency repair of concrete box girder, reducing its reliance on large-scale transport and lifting equipment, reduce the size and scale of the emergency storage sites beam, reduce repair costs, meet repair rear beam body stiffness, deformation small, small vibration, low noise requirements, rapid recovery objectives traffic routes.