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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 ...
Repeated subdivision results in meshes that are more and more rounded. The arbitrary-looking barycenter formula was chosen by Catmull and Clark based on the aesthetic appearance of the resulting surfaces rather than on a mathematical derivation , although they do go to great lengths to rigorously show that the method converges to bicubic B ...
Coving is a method of suburban planning used in subdivision and redevelopment of cities characterized by organic lot shapes and home placement along meandering setbacks. When combined with a new form of street patterns, lot area is increased and road area and length is reduced – a demonstrated average 25% compared to conventional suburban platting.
List of terms for country subdivisions; List of national capitals serving as administrative divisions; List of autonomous areas by country; List of sovereign states; List of political and geographic subdivisions by total area, comparing continents, countries, and first-level administrative country subdivisions.
Prime rib and standing rib roasts can also be sold trimmed and tied (or frenched). This means that the butcher cuts the ribs away from the meat, then ties it all back together again, which makes ...
Whereas some subdivisions comprise exclusive gated communities, others are merely demarcations denoting a specific neighborhood. Some subdivisions may conduct autonomous security, or provide basic services such as water and refuse management. Most subdivisions are governed by associations made up of members who are residents of the subdivision.
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.
Number of country subdivisions Russia: 85 United States: 55 China: 26 Brazil: 20 Argentina: 19 Kazakhstan: 17 India: 16 Congo-Kinshasa: 15 Mexico and Mongolia: 12 Algeria and Canada: 11 Saudi Arabia: 10 Indonesia, Iran and Libya: 9 Mali and South Africa: 8 Angola, Australia, Somalia, Sudan and Zambia: 7 Chad and Mozambique: 6