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Barrel, barrel-arched (cradle, wagon): A round roof like a barrel (tunnel) vault. Catenary: An arched roof in the form of a catenary curve. Arched roof, bow roof, [11] Gothic, Gothic arch, and ship's bottom roof. Historically also called a compass roof. [12] [13] Circular Bell roof (bell-shaped, ogee, Philibert de l'Orme roof): A bell-shaped roof.
George Obendorf Gothic Arch Truss Barn, built from Sears Roebuck parts, in Idaho. A Gothic-arched roof barn or Gothic-arch barn or Gothic barn or rainbow arch [1] is a barn whose profile is in the ogival shape of a Gothic arch. These became economically feasible when arch members could be formed by a lamination process.
Jack rafter, cripple rafter, cripple-jack rafter: A shortened rafter such as landing on a hip rafter or interrupted by a dormer. Arched rafter: Of segmental form in an arched roof. Knee (crook, kneeling, cranked) rafter: A rafter with a bend typically a few feet from the foot used to gain attic space like adding a kneewall. Rare in America.
A hammer-beam is a form of timber roof truss, allowing a hammerbeam roof to span greater than the length of any individual piece of timber.In place of a normal tie beam spanning the entire width of the roof, short beams – the hammer beams – are supported by curved braces from the wall, and hammer posts or arch-braces are built on top to support the rafters and typically a collar beam.
The first rafter is fitted between the wall and the temporary central support and then further rafters are added, each resting on the last. The final rafter fits on top of the previous rafter and under the very first one. The rafters are then tied before the temporary support is removed.
The simplest form of roof framing is a common rafter roof. This roof framing has nothing but rafters and a tie beam at the bottoms of the rafters. The next step in the development of roof framing was to add a collar, called a collar beam roof. Collar beam roofs are suitable for spans up to around (4.5 meters). [5]
A single arch-braced truss. Key: 1: principal rafters, 2: collar beam, 3: arch braces. Lacking a tie beam, [11] the arch-braced (arched brace) [12] truss gives a more open look to the interior of the roof. The principal rafters are linked by a collar beam supported by a pair of arch braces, which stiffen the structure and help to transmit the ...
A historic photograph of an A-frame sod roof house in the Netherlands. Image: Cultural Heritage Agency of the Netherlands 20309407 - RCE. An A-frame building is an architectural style [1] of building that features steeply-angled sides (roofline) that usually begin at or near the foundation line, and meet at the top in the shape of the letter A ...