Arch Flashcards

1
Q

masonry arch

A

An arch constructed of individual stone or brick voussoirs

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2
Q

keystone

A

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

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3
Q

voussoir

A

Any of the wedge shaped units in a masonry arch or vault, having side cuts converging at one of the arch centers

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4
Q

extrados

A

the exterior curve, surface, or boundary of the visible face of an arch. Also called back.

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5
Q

springer

A

The first voussoir resting on the impost of an arch

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6
Q

archivolt

A

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

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7
Q

intrados

A

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

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8
Q

rise

A

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

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9
Q

spring

A

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

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10
Q

crown

A

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

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11
Q

spandrel

A

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. also, spandril

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12
Q

haunch

A

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

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13
Q

impost

A

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

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14
Q

order

A

any of several concentric rings of masonry forming an arch, esp when each projects beyond the one below

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15
Q

lag

A

a crosspiece connecting the ribs in a centering. also called bolster

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16
Q

centering

A

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

17
Q

skew arch

A

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

18
Q

camber piece

A

a board used as centering for a flat arch, slightly crowned to allow for settling of the arch. also called camber slip

19
Q

An arch constructed of individual stone or brick voussoirs

A

masonry arch

20
Q

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

A

keystone

21
Q

Any of the wedge shaped units in a masonry arch or vault, having side cuts converging at one of the arch centers

A

voussoir

22
Q

the exterior curve, surface, or boundary of the visible face of an arch. Also called back.

A

extrados

23
Q

The first voussoir resting on the impost of an arch

A

springer

24
Q

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

A

archivolt

25
Q

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

A

intrados

26
Q

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

A

rise

27
Q

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

A

spring

28
Q

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

A

crown

29
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

30
Q

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

A

haunch

31
Q

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

A

impost

32
Q

any of several concentric rings of masonry forming an arch, esp when each projects beyond the one below

A

order

33
Q

a crosspiece connecting the ribs in a centering. also called bolster

A

lag

34
Q

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

A

centering

35
Q

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

A

skew arch

36
Q

a board used as centering for a flat arch, slightly crowned to allow for settling of the arch. also called _____ slip

A

camber piece