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b'LAUNCHING GANTRY \xe2\x80\x9cLG\xe2\x80\x9d / BEAM LAUNCHER. Alpi designs and supplies the right size and type of Launching Girder for every type of concrete or steel spans. As is the case with our Custom Made elements, our goal is to provide the most efficient and user-friendly design for the job at hand, while ensuring optimum use of material.'

good quality 20 ton mobile U beam double truss gantry crane

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Coordinates: A resource on positioning, navigation and beyond

b'The bridge consists of twin continuous concrete box girder bridge sections for traffic in each direction. ... An overhead gantry crane with self-launching capability is custom built by the company to lay the superstructure of the precast segments. ... Erection of segments of Cable Stay Bridge by Derrick The method used for erection of segments ...'

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Appendix A - ABC Case Studies | Innovative Bridge Designs ...

b'The recommended new bridge types to be studied in the future include extradosed structures (a hybrid between post- tensioned internal tendons and a cable-stayed bridge); fin- back bridges, which employ a solid concrete variable depth fin or rib extending above the deck in negative moment regions; and the'

Steel Bridges

b'Cable-stayed bridges are suitable for (and in multi-stay During construction the girders can often be erected, form prove economical for) spans ranging from 200m to and delivered, as braced pairs to achieve mutual above 400m; recent international projects have used stability: intermediate lateral'