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Post and lintel

Stonehenge, an example of Neolithic architecture post and lintel construction.

In architecture, post and lintel (also called prop and lintel or a trabeated system) is system with a lintel, header, or architrave as the horizontal member over a building void supported at its ends by two vertical columns, pillars, or posts. A "fundamental principle" of Ancient Greek architecture,[1] builders continue to use this method to support the weight of the structure above the openings for windows and doors in a bearing wall.


  • Lintel beams 1
  • Engineering 2
  • See also 3
  • References 4

Lintel beams

An example of post and lintel roof framing. In this case the lintels are purlins. St Mary's church - the nave roof - - 1408947

In architecture, a post-and-lintel or trabeated system refers to the use of horizontal beams or lintels which are borne up by columns or posts. The name is from the Latin trabs, beam; influenced by trabeatus, clothed in the trabea, a ritual garment.

The trabeated system is a fundamental principle of Neolithic architecture, Ancient Greek architecture and Ancient Egyptian architecture. Other trabeated styles are the Persian, Lycian, Japanese, traditional Chinese, and ancient Chinese architecture, especially in northern China,[2] and nearly all the Indian styles. The traditions are represented in North and Central America by Mayan architecture, and in South America by Inca architecture.

A noteworthy example of a trabeated system is in Volubilis, from the Roman era, where one side of the Decumanus Maximus is lined with trabeated elements, while the opposite side of the roadway is designed in arched style.[3]

In India the style was used originally for wooden construction, but later the technique was adopted for stone structures for decorated load-bearing and purely ornamented non-structural purposes.


Post and beam construction using aluminum concrete formwork.

There are two main force vectors acting upon the post and lintel system: weight carrying compression at the joint between lintel and post, and tension induced by deformation of self-weight and the load above between the posts. The two posts are under compression from the weight of the lintel (or beam) above. The lintel will deform by sagging in the middle because the underside is under tension and the topside is under compression.

Post and lintel construction is one of four ancient structural methods of building, the others being the corbel, arch-and-vault, and truss.[4]

The biggest disadvantage to a post and lintel construction is the limited weight that can be held up, and the small distances required between the posts. Ancient Roman architecture development of the arch allowed for much larger structures to be constructed. The arcuated system, which involves the use of arches, replaced the post and lintel trabeated system in larger buildings and structures, until the industrial era introduction of steel girder beams.

See also


Post and lintel construction of the World Heritage Monument site Airavatesvara Temple, India
  1. ^  
  2. ^ Post and lintel is the main structural system in Northern China, the southern traditional timber buildings which use a column-and-tie structural system. "Structural Mechanism Of Southern Chinese Traditional Timber Frame Buildings" SCIENCE CHINA Technological Sciences.2011, Vol 54(7)
  3. ^ , Megalithic Portal, ed. A. Burnham (2007)VolubilisC. Michael Hogan,
  4. ^ L. Sprague De Camp, Ancient Engineers: Technology & Invention from the Earliest Times to the Renaissance (U.S.A.: Barnes and Noble, 1993 edition), 35.
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