Saddle roof has two meanings, one modern and one historical. The modern meaning is a roof form which follows a convex curve about one axis and a concave curve about the other. The hyperbolic paraboloid form has been used for roofs at various times since it is easily constructed from straight sections of lumber, steel, or other conventional materials. The term is used because the form resembles the shape of a saddle.
Mathematically, a saddle shape contains at least one saddle point.
Hyperbolic paraboloid geometry as used in saddle roof construction.
Example of a saddle roof: Church Army Chapel, Blackheath.
Example of a saddle roof: the London Velopark.
- Hyperboloid structure
- Scotiabank Saddledome, home of the Calgary Flames NHL team
- eight hyperbolic parabolas rise to form the roof of Cathedral of Saint Mary of the Assumption and St. Mary's Cathedral, Tokyo.
- Xavier University
- Metro San Lázaro
- A Dictionary of Architecture, Fleming, Honour, Pevsner
- Membrane Structures: Understanding Their Forms, Prof. Dr. Eng. M. Mollaert
- Passmore, Augustine C.. "Saddle Roof". Handbook of technical terms used in architecture and building and their allied trades and subjects,. London: Scott, Greenwood, and Co.;, 1904. 303. Print.
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