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An overhead crane, commonly called a bridge crane, is a type of crane found in industrial environments. An overhead crane consists of two parallel rails seated on longitudinal I-beams attached to opposite steel columns by means of brackets .
The photograph above shows the station in 1907, with the tracks in the foreground. Its first story was faced with stone, with an overhang, carried on brackets, continuous around all four sides. The east facade (facing the tracks) featured two doors and two triple windows at the north end (waiting room?), and a bay window, door and double window ...
These needed custom rolling stock, fitted with brackets at the correct intervals. A standard LCL unit was about 5 ft long, so a 15 ft underframe could be made to hold three containers. Like later examples with ISO container frames, the mounting points of LCL containers were used with custom carrying designs for specific transport jobs.
In the 1830s Robert L. Stevens invented the flanged 'tee' rail (actually a distorted I beam), which had a flat bottom and required no chair; a similar design was the contemporary bridge rail (of inverted U section with a bottom flange and laid on longitudinal sleepers); these rails were initially nailed directly to the sleeper. [4]
Scaffolding for rehabilitation in Madrid, Spain [1] Scaffolding for renovation on the Virgin Mary statue, Santiago de Chile, Chile.. Scaffolding, also called scaffold or staging, [2] is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings, bridges and all other human-made structures.
Bethlehem Steel, headquartered in Bethlehem, Pennsylvania, was a leading supplier of rolled structural steel of various cross-sections in American bridge and skyscraper work of the mid-20th century. [3] Rolled cross-sections now have been partially displaced in such work by fabricated cross-sections.
Eaves overhang, shown here with a bracket system of modillions. The eaves are the edges of the roof which overhang the face of a wall and, normally, project beyond the side of a building. The eaves form an overhang to throw water clear of the walls and may be highly decorated as part of an architectural style, such as the Chinese dougong ...
Bridge Plates are markings used on Allied vehicles beginning in World War II that indicate the weight of the vehicle in tons as well as the weight classification of the vehicle. This was used to calculate whether a vehicle, or series of vehicles, could safely cross a bridge with a given rating.