As for the erection for the shore cross bridges, it requires the Launching Gantry lifting the concrete beam from one side and transferring it by moving on transversal rail beams based on site conditions, this is why beam launcher is born.
It can also erect T/I/U-beams as normal rear feeding method. Both is able to fulfill the construction work effectively in safety and stability.
Beam Launcher
Beam Launcher
Launching Girder