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Visual Dictionary > Arch > Flashcards

Arch Flashcards

1
Q

A curved structure for spanning an opening, designed to support a vertical load primarily by axial compression

A

Arch

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2
Q

An arch constructed of individual stone or brick voussoirs

A

Masonry Arch

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3
Q

Any of the wedge-shapes units in a masonry arch or vault, having side cuts converging at one of the arch centres

A

Voussoir

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4
Q

The first voussoir resting on the impost of an arch

A

Springer

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5
Q

The wedge-shaped, often embellished voussoir at the crown of an arch, serving to lock the other voussoirs in place

A

Keystone

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6
Q

The height of an arch from the spring line to the highest point of the intrados

A

Rise

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7
Q

The exterior curve, surface, or boundary of the visible face of an arch

A

Extrados, Back

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8
Q

A decorative molding or band on the face of an arch following the curve of the intrados

A

Archivolt

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9
Q

The inner curve or surface of an arch forming the concave underside

A

Intrados

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10
Q

The point at which an arch, vault, or dome rises from its support

A

Spring, Springing

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11
Q

The highest part or point of a convex construction, such as an arch, vault, or roadway

A

Crown

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12
Q

Either side of an arch curving down from the crown to the impost

A

Haunch

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13
Q

The uppermost part of an abutment, often in the form of a block, capital, or molding, from which an arch springs.

A

Impost

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14
Q

The triangular-shaped, sometimes ornamented area between the extrados of two adjoining arches, or between the left or right extrados of an arch and the rectangular framework surrounding it

A

Spandrel, Spandril

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15
Q

An archway having sides or jambs not at right angles with the face of its abutments

A

Skew Arch

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16
Q

Any of several concentric rings of masonry forming an arch especially when each projects beyond

A

Order

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17
Q

A crosspiece connecting the ribs in a centering

A

Lag, Bolster

18
Q

A temporary framework for supporting a masonry arch or vault during construction until the work can support itself

A

Centering

19
Q

A board used as centering for a flat arch, slightly crowned to allow for settling of the arch

A

Camber Piece, Camber Slip

20
Q

An arch having a horizontal intrados with voussoirs radiating from a center below, often built with a slight camber to allow for settling

A

Flat Arch, Jack Arch

21
Q

A flat arch having voussoirs inclined to the same angle on each side of the center

A

French Arch

22
Q

A primitive form of arch consisting of two stones laid diagonally to support each other over an opening

A

Triangular Arch

23
Q

A false arch constructed by corbels for courses from each side of an opening until they meet at a midpoint where a capstone is laid to complete the work. The stepped reveals may be smoothed, but no arch action is effected

A

Corbel Arch

24
Q

An arch having a continuously curved intrados especially a semicircular one

A

Round Arch

25
Q

An arch having a semi-circular intrados

A

Roman Arch

26
Q

An arch struck from one or more centers below the springing line

A

Segmental Arch

27
Q

A stone or course of masonry having a sloping face against which the end of a segmental arch rests

A

Skewback

28
Q

An arch having one impost higher than the other

A

Rampant Arch

29
Q

An arch resting on imposts treated as downward continuations of the archivolt

A

Stilted Arch

30
Q

A round arch resting on two large corbels with curved faces

A

Bell Arch

31
Q

An arch having an intrados that widens above the springing before narrowing to a rounded crown

A

Horseshoe Arch, Moorish Arch

32
Q

An arch having a cusped intrados with three round or pointed foils

A

Trefoil Arch

33
Q

A three-centered arch having a crown with a radius much greater than that of the outer pair of curves

A

Basket-Handle Arch, Anse De Panier

34
Q

An arch having a pointed crown

A

Pointed Arch

35
Q

A pointed arch having two centers and radii equal to the span

A

Equilateral Arch

36
Q

A pointed arch especially one having two centers and equal radii

A

Gothic Arch

37
Q

A pointed arch having two centers and radii greater than the span

A

Lancet Arch

38
Q

A pointed arch having two centers and radii less than the span

A

Drop Arch

39
Q

A four-centered arch having an inner pair of curves with a radius much greater than that of the outer pair

A

Tudor Arch

40
Q

An arch having a rise less than half the span

A

Surbased Arch

41
Q

A pointed arch, each haunch of which is a double curve with a concave side uppermost

A

Ogee Arch

Visual Dictionary (69 decks)

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