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Underslung (lower-beam) launching gantry used for Skyline guideway construction (2015). A launching gantry (also called bridge building crane, and bridge-building machine) is a special-purpose mobile gantry crane used in bridge construction, specifically segmental bridges that use precast box girder bridge segments or precast girders in highway and high-speed rail bridge construction projects.
A gantry crane is a crane built atop a gantry, which is a structure used to straddle an object or workspace. They can range from enormous "full" gantry cranes, capable of lifting some of the heaviest loads in the world, to small shop cranes, used for tasks such as lifting automobile engines out of vehicles.
A rubber tyred gantry crane (US: rubber tired gantry crane)/ RTG (crane), or sometimes transtainer, is a wheeled mobile gantry crane operated to ground or stack intermodal containers. Inbound containers are stored for future pickup by drayage trucks, and outbound are stored for future loading onto vessels.
The Super Heavy booster descends to be captured by mechanical arms on the rocket's launch gantry. / Credit: SpaceX. The 30-foot-wide Super Heavy first stage, loaded with 6.8 million pounds of ...
Gantry (rocketry), the frame which encloses and services a rocket at its launch pad; Gantry crane, a crane having a hoist fitted in a trolley for parallel movement Rubber tyred gantry crane, a mobile gantry crane used in intermodal operations; Gantry tower or anchor portal, a structure commonly found in electrical substation or transmission line
A movable scaffolding system (MSS) is a special-purpose self-launching form used in bridge construction, specifically prestressed concrete bridges with segments or spans that are cast in place. The movable scaffolding system is used to support a form while the concrete is cured; once the segment is complete, the scaffold and forms are moved to ...
The Hunter's Point crane is a gantry crane located at the naval shipyard in Hunters Point, San Francisco. [1] When it was built, in 1947 to repair battleships and aircraft carriers, it was the largest crane in the world. [2] [3] It has a 450-long-ton (460 t) capacity and was completed at the site by the American Bridge Company. [4]
Space Shuttle Discovery is carried by a Crawler-transporter, a launch tower is visible in the background. A service structure is a steel framework or tower that is built on a rocket launch pad to facilitate assembly and servicing. An umbilical tower also usually includes an elevator which allows maintenance and crew access. Immediately before ...