Saddle roof

Saddle roof

A saddle roof is one 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. ["A Dictionary of Architecture", Fleming, Honour, Pevsner] The term is used because the form resembles the shape of a saddle.

Mathematically, a saddle shape contains at least one saddle point.

ee also

* Hyperboloid structure

External links

* [http://www.kshs.org/resource/ks_preservation/kpmayjun07.pdf Kansas State Historical Society newsletter featuring house with hyperbolic paraboloid roof.]

References


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  • Saddle roof — Saddle Sad dle, n. [OE. sadel, AS. sadol; akin to D. zadel, G. sattel, OHG. satal, satul, Icel. s[ o][eth]ull, Dan. & Sw. sadel; cf. Russ. siedlo; all perh. ultimately from the root of E. sit.] 1. A seat for a rider, usually made of leather,… …   The Collaborative International Dictionary of English

  • saddle roof — n. a roof with two gables and a ridge * * * …   Universalium

  • saddle roof — n. a roof with two gables and a ridge …   English World dictionary

  • saddle roof — noun a double sloping roof with a ridge and gables at each end • Syn: ↑gable roof, ↑saddleback, ↑saddleback roof • Hypernyms: ↑roof • Hyponyms: ↑gambrel, ↑gambrel roof …   Useful english dictionary

  • saddle roof — /ˈsædl ruf/ (say sadl roohf) noun a roof having two gables …  

  • saddle roof — noun saddleback …   Wiktionary

  • Saddle — Sad dle, n. [OE. sadel, AS. sadol; akin to D. zadel, G. sattel, OHG. satal, satul, Icel. s[ o][eth]ull, Dan. & Sw. sadel; cf. Russ. siedlo; all perh. ultimately from the root of E. sit.] 1. A seat for a rider, usually made of leather, padded to… …   The Collaborative International Dictionary of English

  • Saddle bar — Saddle Sad dle, n. [OE. sadel, AS. sadol; akin to D. zadel, G. sattel, OHG. satal, satul, Icel. s[ o][eth]ull, Dan. & Sw. sadel; cf. Russ. siedlo; all perh. ultimately from the root of E. sit.] 1. A seat for a rider, usually made of leather,… …   The Collaborative International Dictionary of English

  • Saddle gall — Saddle Sad dle, n. [OE. sadel, AS. sadol; akin to D. zadel, G. sattel, OHG. satal, satul, Icel. s[ o][eth]ull, Dan. & Sw. sadel; cf. Russ. siedlo; all perh. ultimately from the root of E. sit.] 1. A seat for a rider, usually made of leather,… …   The Collaborative International Dictionary of English

  • Saddle girth — Saddle Sad dle, n. [OE. sadel, AS. sadol; akin to D. zadel, G. sattel, OHG. satal, satul, Icel. s[ o][eth]ull, Dan. & Sw. sadel; cf. Russ. siedlo; all perh. ultimately from the root of E. sit.] 1. A seat for a rider, usually made of leather,… …   The Collaborative International Dictionary of English

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