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A cantilever is a rigid structural element that extends horizontally and is unsupported at one end. Typically it extends from a flat vertical surface such as a wall, to which it must be firmly attached. Like other structural elements, a cantilever can be formed as a beam, plate, truss, or slab.
Wall framing of a Japanese house under construction. Japanese timber framing is believed to be descended from Chinese framing (see Ancient Chinese wooden architecture). Asian framing is significantly different from western framing, with its predominant use of post and lintel framing and an almost complete lack of diagonal bracing.
The cantilever method is an approximate method for calculating shear forces and moments developed in beams and columns of a frame or structure due to lateral loads. The applied lateral loads typically include wind loads and earthquake loads, which must be taken into consideration while designing buildings.
A cantilever bridge is a bridge built using structures that project horizontally into space, supported on only one end (called cantilevers).For small footbridges, the cantilevers may be simple beams; however, large cantilever bridges designed to handle road or rail traffic use trusses built from structural steel, or box girders built from prestressed concrete.
A grate (or fire grate) is a frame, usually of iron bars, to retain fuel for a fire. Heavy metal firebacks are sometimes used to capture and re-radiate heat, to protect the back of the fireplace, and as decoration. Fenders are low metal frames set in front of the fireplace to contain embers, soot and ash.
Grand Neoclassical interior by Robert Adam, Syon House, London Details for Derby House in Grosvenor Square, an example of the Adam brothers' decorative designs. The Adam style (also called Adamesque or the Style of the Brothers Adam) is an 18th-century neoclassical style of interior design and architecture, as practised by Scottish architect William Adam and his sons, of whom Robert (1728 ...
In the inner parts of a building, such beams are called "summers". It is part of the timber-frame construction in the overhanging upper story in jettying. [3] (UK) "Horizontal beam over a fireplace opening (alternatively lintel, mantel beam), or set forward from the lower part of a building to support a jettied wall, a jetty bressummer". [4]
A lookout, [1] lookout rafter or roof outlooker [2] is a wooden joist that extends in cantilever out from the exterior wall (or wall plate) of a building, supporting the roof sheathing and providing a nailing surface for the fascia boards. When not exposed it serves to fasten the finish materials of the eaves.