In
construction
Construction is a general term meaning the art and science to form objects, systems, or organizations,"Construction" def. 1.a. 1.b. and 1.c. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) Oxford University Press 2009 and com ...
, a nogging
[Fleming, Eric. ''Construction technology: an illustrated introduction''. Oxford: Blackwell, 2005. 123, 160. Print.] or nogging piece (
England
England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...
and
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
), dwang (
Scotland
Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to the ...
,
South Island, New Zealand
The South Island, also officially named , is the larger of the two major islands of New Zealand in surface area, the other being the smaller but more populous North Island. It is bordered to the north by Cook Strait, to the west by the Tasman ...
, and lower/central
North Island, New Zealand
The North Island, also officially named Te Ika-a-Māui, is one of the two main islands of New Zealand, separated from the larger but much less populous South Island by the Cook Strait. The island's area is , making it the world's 14th-largest ...
), blocking (North America), noggin (Australia and Greater
Auckland Region
Auckland () is one of the sixteen regions of New Zealand, which takes its name from the eponymous urban area. The region encompasses the Auckland Metropolitan Area, smaller towns, rural areas, and the islands of the Hauraki Gulf. Containing ...
of New Zealand), or nogs (New Zealand and Australia), is a horizontal bracing piece used between
wall stud
A wall stud is a vertical repetitive framing member in a building's wall of smaller cross section than a post. It is a fundamental element in frame building.
Etymology
''Stud'' is an ancient word related to similar words in Old English, Old Nor ...
s or
floor joists to give rigidity to the wall or floor frames of a building. Noggings may be made of timber, steel, or aluminium. If made of timber they are cut slightly longer than the space they fit into, and are driven into place so they fit tightly or are rabbeted into the
wall stud
A wall stud is a vertical repetitive framing member in a building's wall of smaller cross section than a post. It is a fundamental element in frame building.
Etymology
''Stud'' is an ancient word related to similar words in Old English, Old Nor ...
. Timber noggings are fixed to the perimeter, abutments, or for the purpose of framing any openings using suitable fixings.
The interval between noggings is dictated by local
building code
A building code (also building control or building regulations) is a set of rules that specify the standards for constructed objects such as buildings and non-building structures. Buildings must conform to the code to obtain planning permission ...
s and by the type of timber used; a typical
timber-framed house
Timber framing (german: Holzfachwerk) and "post-and-beam" construction are traditional methods of building with heavy timbers, creating structures using squared-off and carefully fitted and joined timbers with joints secured by large wooden ...
in a non-cyclonic area will have two or three noggings per storey between each pair of neighbouring studs. Additional noggings may be added as grounds for later fixings.
Noggings between vertical studs generally brace the studs against
buckling
In structural engineering, buckling is the sudden change in shape (deformation) of a structural component under load, such as the bowing of a column under compression or the wrinkling of a plate under shear. If a structure is subjected to a gr ...
under load; noggings on floor joists prevent the joists from twisting or rotating under load (
lateral-torsional buckling), and are often fixed at intervals, in pairs diagonally for that reason. In floors this type of bracing is also called
herringbone strutting
Herringbone may refer to:
* Herring-Bone (card game), a game of patience
*Herringbone (cloth), a woven pattern of tweed or twill cloth
* Herringbone (formation), a type of military formation
* Herringbone (horse) (1940–1961), a Thoroughbred race ...
. It is also used in ceilings to prevent not only joist twisting but also ceiling damage.
Noggings provide no bracing effect in
shear
Shear may refer to:
Textile production
*Animal shearing, the collection of wool from various species
**Sheep shearing
*The removal of nap during wool cloth production
Science and technology Engineering
*Shear strength (soil), the shear strength ...
and are generally supplemented by diagonal bracing to prevent the frame from racking.
References
See also
*
Blocking (construction)
Blocking ( dwang, nog, noggin, and nogging) is the use of short pieces of dimensional lumber in wood framed construction to brace longer members or to provide grounds for fixings.
Uses
The primary purpose of blocking is to brace longer frame m ...
*
Carpentry
Carpentry is a skilled trade and a craft in which the primary work performed is the cutting, shaping and installation of building materials during the construction of buildings, ships, timber bridges, concrete formwork, etc. Carpenters tr ...
Building engineering
Structural system
Carpentry
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