The bridge building crane for high speed railway uses full span method to construct bridge with span 20m,24m and 32m, whole span girder weight 450t-900t, it is specially designed and made by ZZHZ.
Full span method means that girder carrier carries one whole span prefabricated box girder to the rear part of crane, then the bridge building crane lifts and puts it to the final position, and begins to install next span.
Bridge building crane for highway is specially designed by ZZHZ. With honeycomb type main girder, it features high stiffness, low deflection and long durability. With pin connection, the main girder can finish assembly fast and conveniently.
Bridge building crane for highway features honeycomb type main girder, unique pin connection and reliable design. It use fast full span method to construct bridge, which means that girder carries one whole span prefabricated box girder to the rear part of crane, then the bridge building crane lifts and puts it to the final position adn begins to install next span.
Generally bridge building crane for highway can install the whole span box girder with span 20m-50m, weight 30t-250t.