Two upright vertical posts supported by a horizontal element describes which method of construction?

A. post-and-lintel

B. corbel

C. cairn

Two upright vertical posts supported by a horizontal element describes post-and-lintel method of construction.

Option A

Explanation:

Post and lintel is a form of architecture in which a building is constructed by creating large spaces between the vertical elements that are held via strong horizontal elements column and lintel are the terms used for vertical and horizontal elements respectively. Ancient architecture is based on this system whether it is Greek, Japanese or Indian. A famous example of this architecture is Stonehenge from Neolithic architecture. Only a small weight can be held by the bars and distance is also required between them, this account as a major disadvantage. Many temples in Egypt and Greece are based on this form of architecture. The materials which are commonly used in creating it are cement, sand, gravel and water. Recently the steel is also been used. Examples are leinster house, Airavatesvara temple in India.

The correct answer is: a) post and lintel

Post and lintel, is a building system used in Architecture, where horizontal elements are held up by vertical elements with large spaces between them. The horizontal elements can be called lintel, heather, architrave or beam, while the supporting vertical elements may be called columns, pillars or posts.