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By 1963, a new structural system of framed tubes had appeared in skyscraper design and construction. Fazlur Rahman Khan, a structural engineer from Bangladesh (then called East Pakistan) who worked at Skidmore, Owings & Merrill, defined the framed tube structure as "a three dimensional space structure composed of three, four, or possibly more frames, braced frames, or shear walls, joined at or ...
Tube riding at Teahupo'o . Tube riding is a term used by surfers to describe riding well inside the curve or barrel of a finely-shaped breaking wave. Under the right conditions, waves in some areas, such as the Banzai Pipeline in Hawaii, form a moving "tube" or cylinder as they break. The most straightforward way to tube ride is by body surfing ...
While similar standards exist for specific industry application tubing, tube is often made to custom sizes and a broader range of diameters and tolerances. Many industrial and government standards exist for the production of pipe and tubing. The term "tube" is also commonly applied to non-cylindrical sections, i.e., square or rectangular tubing.
A tube's ability to achieve and maintain flight depends on a number of factors including the speed at which the tube is traveling, the shape and size of the tube, the weight of the rider, and how the tube itself is oriented. Tubes specially designed for kite tubing have been introduced.
The tube is also loosely held by two other dies, the wiper die and the pressure die. The process of tube bending involves using mechanical force to push stock material pipe or tubing against a die, forcing the pipe or tube to conform to the shape of the die.
Vertical tubes are connected to horizontal tubes via right angle clamps. Diagonal tubes are connected to the scaffold at regular intervals via swivel clamps in order to provide stability to the structure. This type of scaffold is generally used where extensive versatility is required. In many countries, it is common in construction. Horizontal ...
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A tube, or tubing, is a long hollow cylinder used for moving fluids (liquids or gases) or to protect electrical or optical cables and wires. The terms " pipe " and "tube" are almost interchangeable, although minor distinctions exist — generally, a tube has tighter engineering requirements than a pipe.