40/120 Beam launcher was used for erecting the or concrete beam of 30m 40m which its weight was is equal to or less than 120 tons , Railway project , Generally, this kind of 40/120 Beam launcher often was designed the steel truss girder with the nose girder, and its length will be two bridge spans length. the Beam launcher can feed the concrete beam directly behind with beam trolley, it can carry out the erection concrete beam of 30m 40m over the river or railway it will not influence the ground transportation situation in the city or main traffic road. It has small self-weight for small construction load, construction speed block, safety and stability, and it will be used widely in railway Bridges and highway Bridges construction field.
