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Arching above a side aisle roof, flying buttresses support the main vault of St. Mary's Church, in Lübeck, Germany.. The flying buttress (arc-boutant, arch buttress) is a specific form of buttress composed of a ramping arch that extends from the upper portion of a wall to a pier of great mass, in order to convey to the ground the lateral forces that push a wall outwards, which are forces that ...
An important feature of Gothic architecture was the flying buttress, a half-arch outside the building which carried the thrust of weight of the roof or vaults inside over a roof or an aisle to a heavy stone column. The buttresses were placed in rows on either side of the building, and were often topped by heavy stone pinnacles, both to give ...
Flying buttress A type of buttress that transmits the thrust to a heavy abutment by means of a half-arch. Flying rib An exposed structural beam over the uppermost part of a building which is not otherwise connected to the building at its highest point. A feature of H frame constructed concrete buildings and some modern skyscrapers. Foil
Before the buttresses, all of the weight of the roof pressed outward and down to the walls, and the abutments supporting them. With the flying buttress, the weight was carried by the ribs of the vault entirely outside the structure to a series of counter-supports, which were topped with stone pinnacles which gave them greater weight.
This evolved into the flying buttress, which carried the thrust from the wall of the nave over the roof of the aisle. The buttress was given further support by a heavy stone pinnacle. Buttresses were an early feature of the chapter house of Lichfield Cathedral. [16]
The north and south walls of the long nave are supported by eleven flying buttresses on each side. These counterbalance the outward thrust of the ceiling vaults, and make possible the great height, thin walls and large windows that bring abundant light into the nave. The double arches of each buttress make a leap from heavy pillars to the upper ...
The vaults of the roof, connected by stone ribs to the pillars below, combined with the flying buttresses outside make possible thinner walls, and the great height and large windows of the cathedral The plan, like other Gothic cathedrals , is in the form of a cross and was determined by the shape and size of the 11th-century Romanesque ...
A buttress is an architectural structure built against or projecting from a wall which serves to support or reinforce the wall. [1] Buttresses are fairly common on more ancient (typically Gothic ) buildings, as a means of providing support to act against the lateral (sideways) forces arising out of inadequately braced roof structures.