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FDKC > C1ARCH > Flashcards

C1ARCH 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-shaped units in a masonry arch or vault, having side cut converting at one of the arch centers.

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

A

Keystone

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6
Q

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

A

Haunch

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7
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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8
Q

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

A

Order

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9
Q

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

A

Skew arch

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10
Q

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

A

Keystone

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11
Q

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

A

Extra-dos

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12
Q

A decorative molding or band on the face of an arch following the curve of the intra-dos.

A

Archivolt

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13
Q

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

A

Intra-dos

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14
Q

The height of an arch from the springing line to thr highest point of Intra-dos.

A

Rise

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15
Q

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

A

Spring/ Springing

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16
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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17
Q

A crosspiece connecting the ribs in a centering.

A

Lag/ Bolster

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18
Q

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

A

Centering

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19
Q

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

A

Camber piece/ camber slip

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20
Q

A arch shaped to develope only axial compression under a given loading. This shape may be found by inverting the funicular shape for a cable carrying a similar loading pattern.

A 
Funicular arch (is subjected to bending is loading pattern changes)
Inverted Catenary- an arch carrying a vertical load uniformly distributed along the length of the arch axis.
The Parabola-an arch carrying a vertical load uniformly distributed over its horizontal projection.
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21
Q

The manner in which an arch transforms the vertical forces of a supported load into inclined components and transmit them to abutments on either side of archway.

A

Arch Action

22
Q

The median line of an arched structure.

A

Arch axis.

23
Q

The set of resultants of thrust and weight each part of an arch imposes on the next lower one.

A

Line of thrust ( For bending to be eliminated throughout an arch, the line of thrust must coincide with the arch axis.)

24
Q

The outward force or pressure exerted by one part of a structure against another.

A

Thrust

25
Q

The thrust of an arched structure on its abutments, proportion to the total load and span and inversely proportional to the rise.

A

Drift

26
Q

An arched structure of timber, steel or reinforced concrete, constructed as a rigid body capable of carrying bending stresses.

A

Rigid arch

27
Q

A fixed frame structure having a arched form.

A

Fixed arch

28
Q

A two hinged frame structure having an arched form.

A

Two-hinged arch

29
Q

A three hinged frame structure having an arched form.

A

Three-hinged arch.

30
Q

The part of a structure receiving and supporting the thrust of an arch,vault or strut.

A

Abutment

31
Q

An iron or steel rod serving as an structural tie, esp. one keeping the lower ends of an arch or frame from spreading.

A

Tie road

32
Q

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

A

Flat arch/ Jack arch

33
Q

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

A

French arch.

34
Q

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

A

Triangular arch

35
Q

A false arch constructed by corbeling 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

36
Q

An arch having a continuously curved intrados, esp. a semicircular one.

A

Round arch

37
Q

An arch having a semi circular intrados.

A

Roman arch

38
Q

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

A

Segmented arch

39
Q

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

A

Skewback

40
Q

An arch having one impost higher than the other.

A

Rampant arch

41
Q

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

A

Stilted arch

42
Q

A round arch resting on two large corbels with curved faces.

A

Bell arch

43
Q

An arch having an itrados that widen above the springing before narrowing to a rounded crown.

A

Horse shoe arch / Moorish arch

44
Q

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

A

Trefoil arch

45
Q

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

A

Basket-handled arch/ Anse de panier

46
Q

An arch having pointed crown.

A

Pointed arch

47
Q

A pointed arch having two centers and radius equal to the span.

A

Equilateral arch

48
Q

A pointed arch having two centers and radius greater than the span.

A

Lancet Arch

49
Q

A pointed arch having two centers and radius less than the span.

A

Drop arch

50
Q

An arch having rise less than half the span.

A

Surbased arch

51
Q

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

A

Ogee arch

52
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

FDKC (7 decks)

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