Launching Girder is a machine used in the erection of segmental bridges forming a Viaduct according to the Cantilever method .The superstructure of the future viaduct is made of pre-cast segments which are lifted, handled in place and levelled according to the viaduct design specifications by means of the erection gantry herein called LAUNCHING GIRDER L20. The main components of launching girder are as follows:-
1. Front Leg
2. Middle Support
3. Rear Support
4. Rear Trolley
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