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Cantilever form traveller is a mobile steel form system for cantilever construction of long-span continuous box girders and rigid-frame bridges. It consists of main truss, anchoring system, bottom form, side form, inner form and travelling adjustment mechanism. After segment pouring, it slides forward to cast next girder segment. It has strong bearing capacity and controllable deformation, widely used for overseas long-span river-crossing and sea-crossing bridges.
