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An A-frame is a basic structure designed to bear a load in a lightweight economical manner. The simplest form of an A-frame is two similarly sized beams , arranged in an angle of 45 degrees or less, attached at the top, like an uppercase letter 'A'.
A-frame buildings are an ancient form in Europe (e.g. cruck frame construction or grubenhaus), China, and the South Pacific islands.Sometimes called a roof hut, these were simple structures used for utilitarian purposes until the 1950s. [2]
Framing side by side units The erection of a wooden frame in Sabah, Malaysia The construction frames of a residential subdivision in Rogers, Minnesota in 2023. Framing, in construction, is the fitting together of pieces to give a structure, particularly a building, support and shape. [1]
The structural system of a high-rise building is designed to cope with vertical gravity loads as well as lateral loads caused by wind or seismic activity. The structural system consists only of the members designed to carry the loads, and all other members are referred to as non-structural.
A bent in American English is a transverse rigid frame (or similar structures such as three-hinged arches).Historically, bents were a common way of making a timber frame; they are still often used for such, and are also seen in small steel-frame buildings, where the term portal frame is more commonly used.
In structural engineering, a rigid frame is the load-resisting skeleton constructed with straight or curved members interconnected by predominantly rigid connections, which resist movements induced at the joints of members.
Today, almost any low-rise structure can be quickly built using the post-frame construction method. [ 3 ] Pole barn construction was a quick and economical method of adding outbuildings on a farm as agriculture shifted to equipment-dependent and capital-intensive agriculture—necessitating shelter for tractors, harvesters, wagons and the like ...
A portal frame steel building under construction. Portal frame is a construction technique where vertical supports are connected to horizontal beams or trusses via fixed joints with designed-in moment-resisting capacity. [1] The result is wide spans and open floors. Portal frame structures can be constructed using a variety of materials and ...