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:
“Those who have ruled human destinies, like planets, for thousands of years, were not handsome men.”
—Ralph Waldo Emerson (1803–1882)
“Footnotes are the finer-suckered surfaces that allow tentacular paragraphs to hold fast to the wider reality of the library.”
—Nicholson Baker (b. 1957)
“All architecture is great architecture after sunset; perhaps architecture is really a nocturnal art, like the art of fireworks.”
—Gilbert Keith Chesterton (1874–1936)