In classical architecture , a tambour ( Fr. : " drum ") is the inverted bell of the Corinthian capital around which are carved acanthus leaves for decoration.
4-426: The term also applies to the wall of a circular structure, whether on the ground or raised aloft on pendentives and carrying a dome (also known as a tholobate ), and to the drum-shaped segments of a column , which is built up in several courses. A cover made of strips of wood connected together with fabric such as that of a roll-top desk is called a tambour. This has been adopted to describe an office cupboard that
8-405: A sphere , taper to points at the bottom and spread at the top to establish the continuous circular or elliptical base needed for a dome. In masonry the pendentives thus receive the weight of the dome, concentrating it at the four corners where it can be received by the piers beneath. Prior to the pendentive's development, builders used the device of corbelling or squinches in the corners of
12-501: A room. Pendentives commonly occurred in Orthodox , Renaissance , and Baroque churches, with a drum with windows often inserted between the pendentives and the dome. The first experimentation with pendentives began with Roman dome construction in the 2nd–3rd century AD, while full development of the form came in the 6th-century Eastern Roman Hagia Sophia at Constantinople . This architectural element –related article
16-459: Is designed to have doors that conceal within the cabinet when opened, also known as roller-shutters. This architectural element –related article is a stub . You can help Misplaced Pages by expanding it . Pendentive In architecture , a pendentive is a constructional device permitting the placing of a circular dome over a square room or of an elliptical dome over a rectangular room. The pendentives, which are triangular segments of
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