Stilted arch
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A stilted arch, also called a surmounted arch,[1] is an arch where the bottom of the intrados consists of vertical sections, or Template:Em, and the arch springs from the vertical significantly higher than the impost level.Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters". Both semicircular and pointed arches can be stilted.Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters". As a result, the stilted arch has its center above the impost.
In Byzantine architecture, the arch was frequently used in order to give more importance to the twin arches of the windows, and less to the shaft which divided them.[2] In Islamic architecture, it was used since the mid-8th century (Hisham's Palace).Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters".
The rise (height) of a round arch is limited to <templatestyles src="Fraction/styles.css" />1⁄2 of its span,Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters". so it looks more "grounded" than a parabolic archScript error: No such module "Footnotes".Script error: No such module "Check for unknown parameters". or pointed arch.Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters". Whenever a higher semicircular arch was required (for example, for a narrow arch to match the height of a nearby broad one), stilting could be used.Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters". In Romanesque and Gothic work the semicircular stilted arch was often employed in the semi-circular apses, where in consequence of the closer spacing of the columns the arches were much narrower than those of the choir; in order, however, that the apex of all the arches should be of the same height, the apse arches were stilted.[2] In Norman architecture the stilted arch was used when there was a need for a groin vault over a non-square space.Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters". These "shifts and dodges" were dropped once the pointed arch with its malleable proportions was adopted.Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters". There is still a decorative value in a stilted arch, as its slender opening strengthens the framing effect for the view through the arch.Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters".
The horseshoe arch can be though of as variant of the stilted arch, with the masonry below the springing line going beyond the vertical line inwards.Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters".
Nasrid arch
Nasrid arch is the stilted derivative of a multifoil arch. It was developed during the rule of the Nasrid dynasty and became its architectural symbol, with many examples throughout the Alhambra. It was a non-structural arch:Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters". during Nasrid period the Islamic architecture in Granada in general concentrated more on the decorative aspects.Script error: No such module "Footnotes".Script error: No such module "Check for unknown parameters".
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Stilted arch made of bricks
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Stilted arch in San Isidoro de León
References
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Sources
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