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[[File:National_Capitol_Columns_-_Washington,_D.C..jpg|National Capitol Columns - Washington, D.C.|thumb]] [[File:Riskdagen_Eduskunta_Helsingfors_(2).jpg|Riskdagen Eduskunta Helsingfors (2)|thumb|left]] [[File:Monument_Gordon_02.JPG|Monument Gordon 02|thumb|left]] [[File:營造法式六_20.jpg|營造法式六 20|thumb]] [[File:Persepolis_Colonne_flandin.jpg|Persepolis Colonne flandin|thumb]] '''Column''' refers to a structural element that transmits, through compression, the weight of the structure above to other structural elements below. In other words, a column is a compression member. The term column applies especially to a large round support (the shaft of the column) with a capital and a base or pedestal, which is made of stone, or appearing to be so. A small wooden or metal support is typically called a post, and supports with a rectangular or other non-round section are usually called pillars. However, many references interchangeably use these terms.

==Design and Structure==
Columns are frequently used to support beams or arches on which the upper parts of walls or ceilings rest. In architecture, "column" refers to such a structural element that also has certain proportional and decorative features. A column might also be a decorative element not needed for structural purposes; many columns are "engaged", that is, part of a wall.

===Types of Columns===
Columns can be classified according to their structural type, materials, or decorative styles:

* '''[[Doric Column]]s''': One of the simplest and earliest types, characterized by a plain capital and a fluted shaft.
* '''[[Ionic Column]]s''': Recognizable by the scroll-shaped ornaments at the capital, with a taller and more slender shaft than the Doric style.
* '''[[Corinthian Column]]s''': Known for their ornate capitals, decorated with acanthus leaves and scrolls.
* '''[[Composite Column]]s''': A combination of Ionic and Corinthian styles, with a capital that includes both scrolls and acanthus leaves.
* '''[[Tuscan Column]]s''': A variant of the Doric column, but with an unfluted shaft and a simpler base and capital.
* '''[[Solomonic Column]]s''': A twisted shaft that expands in a helical manner, often used in Baroque architecture.

===Materials===
Columns have been constructed out of a wide variety of materials throughout history, including stone (marble, granite), wood, metal (bronze, steel), and concrete. The choice of material depends on both the aesthetic desired and the structural requirements.

==Construction and Engineering==
In modern construction, columns are often used to support beams or floors and are designed according to the principles of structural engineering. The strength of a column is determined by its height, material, and cross-sectional area. Engineers use various formulas to calculate the load-bearing capacity of columns, taking into account factors such as buckling, which is the sudden failure of a column under load.

==Cultural and Historical Significance==
Columns have played a significant role in the architecture of many cultures, including Ancient Egyptian, Greek, and Roman civilizations. They not only serve a practical purpose but are also imbued with symbolic meanings, often representing strength, stability, and sometimes the divine.

==See Also==
* [[Architecture]]
* [[Structural Engineering]]
* [[Classical Order]]
* [[Pillar]]
* [[Post (structural)]]

[[Category:Architectural Elements]]
[[Category:Structural Engineering]]

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Column - Revision history

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