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buttress


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Pier-like projection of brick, masonry, or other material, built either in close connection with a wall needing extra stability, or standing isolated, to counter the outward thrust of an arch, vault, or other elements. Types of buttress are:angle-buttress (3):one of a pair of buttresses at the corner of a building set at an angle of 90° to each other and to the walls to which they are attached;Anglo-Saxon:not really a buttress at all, but more a thin freestone lesene or pilaster-strip dividing a wall-surface into rubble panels that were originally intended to be rendered; See anglo-saxon architecture.arch-buttress:known as an arc-boutant. See flying buttress;buttress-tower:tower seeming to function as a buttress, as on either side of a gateway, but mostly for defence;clasping buttress (2):massive buttress, square on plan, at the corner of a building, usually of the Romanesque or First Pointed period;Decorated buttress:see Second Pointed buttress;diagonal buttress (5):set at the corner of a building, forming an angle of 135° with the walls, and usually of the Second Pointed period of Gothic;Early English buttress:see First Pointed buttress;First Pointed or Early English buttress:C13 type, often of formidable depth, frequently chamfered, and staged, each stage being defined by off-sets, and the whole structure surmounted with steep triangular gables;flying buttress, also called arc-boutant or arch-buttress (6):consists of an arched structure extending from the upper part of a wall to a massive pier in order to convey the outward thrust of (usually) the stone vault safely to the ground;hanging buttress:type of slender support, carried on a corbel;lateral buttress:attached to a corner of a structure, seeming to be a continuation of one of the walls;Perpendicular or Third Pointed buttress:late-Gothic type with elaborately panelled faces, and, often, crocketed finials of great elegance;pier-buttress (6):detached external pier by which an arch or vault is prevented from spreading, as in the chapter-house of Lincoln Cathedral, where flying buttresses are used. Pier-buttresses are often constructed with a heavy superstructure rising higher than the springing of the flying-buttress arch;Romanesque buttress (1):C11 and C12 wide lesene of little projection, it defines bays;Second Pointed or Decorated buttress:C14 type constructed in stages, frequently elaborately enriched, and surmounted by crocketed gables, pinnacles, finials, and even crocketed spirelets. Many were further embellished with canopied niches for statuary;set-back buttress:resembling an angle-buttress, but not built immediately at the corner, so does not touch the set-back buttress on the return-wall, thus the quoin of the building remains visible. See also Spire.

angle-buttress (3):one of a pair of buttresses at the corner of a building set at an angle of 90° to each other and to the walls to which they are attached;

Anglo-Saxon:not really a buttress at all, but more a thin freestone lesene or pilaster-strip dividing a wall-surface into rubble panels that were originally intended to be rendered; See anglo-saxon architecture.

arch-buttress:known as an arc-boutant. See flying buttress;

buttress-tower:tower seeming to function as a buttress, as on either side of a gateway, but mostly for defence;

clasping buttress (2):massive buttress, square on plan, at the corner of a building, usually of the Romanesque or First Pointed period;

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Subjects: Architecture.


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