高層建筑外文翻譯(2)-建筑結(jié)構(gòu)-wenkub.com
2025-01-15 01:15 本頁面
【正文】 Structural engineers have developed structural systems with a view to eliminating this premium. Systems in steel. Tall buildings in steel developed as a result of several types of structural innovations. The innovations have been applied to the construction of both office and apartment buildings. Frames with rigid belt trusses. In order to tie the exterior columns of a 4 frame structure to the interior vertical trusses, a system of rigid belt trusses at midheight and at the top of the building may be used. A good example of this system is the First Wisconsin Bank Building (1974) in Milwaukee. Framed tube. The maximum efficiency of the total structure of a tall building, for both strength and stiffness, to resist wind load can be achieved only if all column elements can be connected to each other in such a way that the entire building acts as a hollow tube or rigid box in projecting out of the ground. This particular structural system was probably used for the first time in the 43story reinforced concrete DeWitt Chestnut Apartment Building in Chicago. The most significant use of this system is in the twin structural steel towers of the 110story World Trade Center building in New York. Columndiagonal truss tube. The exterior columns of a building can be spaced reasonably far apart and yet be made to work together as a tube by connecting them with. Diagonal members intersecting at the center line of the columns and beams. This simple yet extremely efficient system was used for the first time on the John Hancock Center in Chicago, using as much steel as is normally needed for a traditional story building. Bundled tube. With the continuing need for larger and taller buildings, the framed tube or the columndiagonal truss tube may b
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