Thrust
The outward force exerted by an arch or a vault that must be counterbalanced by buttresses.
thrust
In an arch, the horizontal component of the reaction of the abutment.
tie-beam ...
Thrust
the lateral force exerted by an arch, dome, or vault, which must be counteracted by some form of buttressing.
Tondo ...
cut-and-thrust swords (28) -- a new sword type in the Late Mycenaean world, with the hilt-attachment so strengthened that slicing attachs could be made as fearlessly as puncturing attachs (Vermeule, 385) ...
uplift, upthrow, upthrust, upheaval - (geology) a rise of land to a higher elevation (as in the process of mountain building)
uplifting - the rise of something; "the uplifting of the clouds revealed the blue of a summer sky" ...
[A] vault's weight] thrusts out the piers. There are two ways of resisting these outward thrusts: by inserting tie-rods ... or by supporting laterally the top of the piers by means of buttressing elements.
Flying buttress: A free-standing buttress attached to the main vessel (nave, choir, or transept wall) by an arch or half-arch which transmits the thrust of the vault to the buttress attached to the outer wall of the aisle.
So far, all the vaults mentioned have been barrel vaults, which, when not built underground, required continuous walls of great thickness to resist their thrust; the earliest example of the next variety, the intersecting barrel vault, ...
flying buttress A free-standing buttress linked to a church wall by an arch or part of an arch that serves to transmit the outward thrust of the wall to the buttress. frater A monastic dining room or refectory.
Being semicircular in section, barrel or tunnel vaults are inherently limited in span, and they exert lateral thrust. Two Roman inventions of enormous importance overcame this.
reform working on Norman blood had been the evolution of the main lines of the Gothic plan (barring the eastern termination, or chevet) together with the development of the Gothic system of vaulting and the Gothic principle of concentrated thrusts ...
Breast Drill - A large hand drill operated with both hands, with an extension and plate for thrust from the user's chest ...
Abutment - solid support absorbing the outward thrust of the arch.
Crown - top part of arch. including the keystone.
Extrados - outer curve of the voussoirs.
Sometimes, owing to the great height of the vaults, two semi-arches were thrown one above the other, and there are cases where the thrust was transmitted to two or even three butts across intervening spaces.
Relieving arch - arch built up in a wall to relieve thrust on another opening.
Rere-arch - arch that supports the inner face of a wall above a door or window opening.
Respond - half-pier bonded into a wall to carry an arch.
Vertical member projecting from a wall to stabilize it or to resist the lateral thrust of an arch, roof or vault. Angle buttress: set at 90 degrees at the angle of a building. Clasping buttress: one which encases the angle.
Every spiritual experience was lived as a forward thrust, a progress, wed and guided at the same time by music and liturgy; and although architecture, sculpture, and painting were immobile by nature, ...
The tiered form of muqarnas means that the thrust of the dome could be directed downwards into the corner of a building without adding the extra weight of a pendentive.
Flying buttress, or arc-boutant - a flying buttress is usually on a religious building, used to transmit the thrust of a vault across an intervening space (which might be an aisle, chapel or cloister), to a buttress outside the building.
The architects of the cathedrals found that, since the outward thrusts of the vaults were concentrated in the small areas at the springing of the ribs and were also deflected downward by the pointed arches, ...
A pier buttress is an exterior pier that counteracts the thrust of an arch or vault. A flying buttress has an arch or half arch that transmits the thrust of a vault or roof from the upper part of a wall onto a buttress.
ABUTMENT Solid masonry placed to counteract the lateral thrust of a vault or arch and so give the arch or vault strength.
A structure (of stone, brick, or wood) built against a building to strengthen it by resisting the thrust of arches, roofs and vaults. A flying buttress uses arches or half-arches to transmit the thrust to a buttress standing clear of the wall.
buttress, flying: an arched support carrying the thrust of a vault to an outer buttress.
campanile: (pl. -i) Italian word for bell-tower, usually detached from the main building.
cap: the topmost order of the pedestal in a classical order.
BUTTRESS
Vertical member projecting from a wall to stabilize it or to resist the lateral thrust of an arch, roof, or vault. A flying buttress transmits the thrust to a heavy abutment by means of an arch or half-arch.
Roof Spread Outward bowing of a wall caused by the thrust of a badly restrained roof framework (see 'collar').
Rot Fungal growth which causes breakdown of the cellulose which gives strength to timber. Can be wet or dry rot.
Relieving arch - Arch built up in a wall to relieve thrust on another opening.
Respond - Half-pier bonded into a wall to carry an arch.
Retirata - Improvised fieldwork to counter an imminent breach.
Butress - The projection on the outside wall to absorb the side thrusts from ribs or arches.
Buttress arches - The flying portion of our flying buttresses.
Canopy - A protective roof. See porch.
arch built in a wall to relieve the thrust of another opening
Rere-arch
arch that supports the inner face of a wall above a door or window opening ...
flying buttress An arch or half-arch that transfers the thrust of a vault or roof from an upper part of a wall to a lower support.
foyer The entrance hall of a home.
the horizontal transverse beam in a roof, tying together the feet of pairs of rafters to counteract thrust.
Transom
an intermediate horizontal bar of stone or wood across a window-opening. The horizontal member of a door-frame beneath a fanlight.
Within each bay are carved mullions and spandrels. The mullions create a vertical thrust and end in ornate finials. Beneath this set of three windows is a large cornice band with carved figures and crests at regular intervals.
HAUNCH - the part of the arch's wall which experiences the most thrust.
CROWN - the top part of an arch.
Some arch examples... ...
barrel vault - or tunnel vault; a series of pressed-together arches, they were heavy and had enormous thrust or pressure downward and outward, usually had heavy walls because of this.
Buttress/Abutment System: A projecting or free-standing support built into or against the exterior wall of a cathedral, which steadies the structure by opposing the lateral thrusts from the vaults.
Buttress - A structure built against a wall to support or reinforce it. Usually an exterior masonry structure that opposes the lateral thrust of an arch or a vault and adds extra support.
BUTTRESS: a projecting mass normally of brickwork or masonry that is used to support a structure; gives additional strength usually to counteract the outward thrust of an arch or vault. (IMAGE) ...
Buttress
A projecting support built into or against the external wall of a building, typically used in Gothic buildings. A flying buttress is an arch that transfers the thrust of a vault to a lower support.
impost - the top part of a pier or wall upon which rests the springer or lowest voussoir of an arch. It serves to receive and distribute the thrust or load at each end of an arch.
Abatic, Abatis, Abattis: A field defence or rampart which was made of felled trees with the sharpened boughs facing outwards, towards the direction of attack. (O.Fr. enbatre, to thrust in).
 See also: Architecture, Buttress, Vault, Arch, Church
|
