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Project Portfolio (Cont.)Precast Balanced CantileverTrent River Bridge, Goole, England Contractor: Cementation This fully-automatic self-launching erection gantry was employed on the construction of the first precast segmental balanced cantilever bridge in the UK having spans of 279 ft. It was the first gantry of its kind which, in addition to placing the segments in position, provided stability to the unbalanced cantilevers, a feature which has since been almost universally adopted for this type of gantry. Torridge River Bridge, Bideford, England Contractor: HBM/Nuttall This fully-automatic self-launching erection gantry was employed on the construction of a precast segmental balanced cantilever bridge having spans up to 312 ft with segments weighing up to 115 tons. It was the first gantry of its kind to use a single long-stroke hydraulic cylinder for lifting the segments off the trailer, rotating them and lowering them into position. East-West Highway Bridges, Israel Contractor: Solel Boneh An extremely versatile example of the same type of gantry designed to place 95 ton segments in 250 ft spans with a minimum radius of 2,150 ft maximum grade of 7.5%, and superelevation of +/-4%.
Cast-in-Place Balanced CantileverNorth Tsing-Yi Bridge, Hong Kong Contractor: Maeda Conventional form travelers used to cast single cell box girder segments weighing up to 365 tons, at that time some of the heaviest ever poured in this way. Egnatia Highway Bridges, Veria, Greece Contractor: Aktor Conventional but extremely versatile form travelers designed to accommodate segment lengths varying from 10 ft to 16 ft, widths from 38 ft to 45 ft and web spacing from 18 ft to 25 ft. More Projects >>>>
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