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14 Cards in this Set
- Front
- Back
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arch
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a curved strructure for spanning an opening to support a vertical load primarily by axial compression.
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masonry arch
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an arch constructed of individual stone or brick voussoirs
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voussoir
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wedge shaped units in a arch or vault
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springer
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the first voussoir resting on the impost of an arch
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keystone
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wedge shaped , embellished voussoir at the crown serving to lock the other voussoirs in place
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rise
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the height of an arch from the springing line to the highest point on the intrados
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intrados
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inner curve of surface of an arch forming the concave underside
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extrados
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exterior curve or boundary of the visible face of an arch
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archivolt
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a decorative molding or band on the face of an arch following the curve of intrados
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spring
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the point at which an arch or vault or dome rises from its support
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crown
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highest part or point of a convex construction as an arch ,vault or roadway
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haunch
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either side of an arch curving down from the crown of the impost
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impost
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uppermost part of an abutment often in the form of a block capital or molding from which an arch springs
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spandrel
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triangular shaped ornamental.area between the extrados of 2 adjoining arches
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