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REVIEW > ARCHI A > Flashcards

ARCHI A Flashcards

1
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

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2
Q

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

A

RIGID ARCH

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3
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

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4
Q

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

A

SPRING

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5
Q

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

A

ARCH ACTION

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6
Q

The first voussoir resting on the impost of an arch.

A

SPRINGER

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7
Q

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

A

ROUND ARCH

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8
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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9
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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10
Q

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

A

EXTRADOS

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11
Q

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

A

RISE

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12
Q

An arch constructed of individual stone or brick voussoirs.

A

MASONRY ARCH

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13
Q

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

A

TRIANGULAR ARCH

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14
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 the smoothed, but no arch action is effected

A

CORBEL ARCH

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15
Q

A pointer arch, esp. one having two centers and equal radii

A

GOTHIC ARCH

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16
Q

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

A

EQUILATERAL ARCH

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17
Q

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

A

SKEWBACK

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18
Q

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

A

SEGMENTAL ARCH

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19
Q

An arch having a semicircular intrados

A

ROMAN ARCH

20
Q

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

A

FRENCH ARCH

21
Q

An arch having a pointed crown

A

POINTED ARCH

22
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

23
Q

The median line of an arched structure.

A

ARCH AXIS

24
Q

The set of resultants of thrust and weight each part of an arch imposes on the next lower one. For bending to be eliminated throughout an arch, the line of thrust must coincide with the arch axis

A

LINE OF THRUST

25
Q

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

A

DRIFT

26
Q

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

A

THRUST

27
Q

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

A

TIE ROD

28
Q

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

A

ABUTMENT

29
Q

A three-hinged frame structure having an arched form

A

THREE-HINGED ARCH

30
Q

A two hinged frame structure having an arched form

A

TWO-HINGED ARCH

31
Q

A fixed frame structure having an arched form

A

FIXED ARCH

32
Q

funicular shape for an arch carrying a vertical load uniformly distributed over its horizontal projection

A

PARABOLA

33
Q

funicular shape for an arch carrying a vertical load uniformly distributed along the length of the arch axis

A

INVERTED CATENART

34
Q

An arch shaped to develop only axial compression under a given loading.

A

FUNICULAR ARCH

35
Q

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

A

KEYSTONE

36
Q

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

A

ARCHIVOLT

37
Q

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

A

INTRADOS

38
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

SPRANDEL

39
Q

A crosspiece connecting the ribs in a centering.

A

LAG

40
Q

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

A

CAMBER PIECE

41
Q

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

A

ORDER

42
Q

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

A

SKEW ARCH

43
Q

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

A

HAUNCH

44
Q

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

A

CROWN

45
Q

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

A

ARCH

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