Ruled Surfaces in Architecture
Doubly ruled surfaces are the inspiration for curved hyperboloid structures that can be built with a latticework of straight elements, namely:
- Hyperbolic paraboloids, such as saddle roofs.
- Hyperboloids of one sheet, such as cooling towers and some trash bins.
The RM-81 Agena rocket engine employed straight cooling channels that were laid out in a ruled surface to form the throat of the nozzle section.
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The roof of the school at Sagrada Familia is a sinusoidally ruled surface.
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Cooling hyperbolic towers at Didcot Power Station, UK; the surface can be doubly ruled.
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Doubly ruled water tower with toroidal tank, by Jan Bogusławski in Ciechanów, Poland
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A hyperboloid Kobe Port Tower, Kobe, Japan, with a double ruling.
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The gridshell of Shukhov Tower in Moscow, whose sections are doubly ruled.
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A ruled helicoid spiral staircase inside Cremona's Torrazzo.
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Village church in Selo, Slovenia: both the roof and the wall are ruled surfaces.
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A hyperbolic paraboloid roof of Warszawa Ochota railway station in Warsaw, Poland.
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A ruled conical hat.
Read more about this topic: Ruled Surface
Famous quotes containing the words ruled, surfaces and/or architecture:
“It is easier to rule others than to keep from being ruled oneself.”
—François, Duc De La Rochefoucauld (1613–1680)
“Footnotes are the finer-suckered surfaces that allow tentacular paragraphs to hold fast to the wider reality of the library.”
—Nicholson Baker (b. 1957)
“They can do without architecture who have no olives nor wines in the cellar.”
—Henry David Thoreau (1817–1862)