Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The inner curve of an arch.
from The Century Dictionary.
- noun In architecture, the interior or lower line, curve, or surface of an arch or vault. The exterior or upper curve or surface is called the extrados. See
arch , 2.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Arch.) The interior curve of an arch; esp., the inner or lower curved face of the whole body of voussoirs taken together. See
extrados .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun architecture The
inner curve of anarch orvault .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the interior curve of an arch
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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The under, or concave, side of the voussoir is called the intrados or soffit, and the upper, or convex, side, the extrados of the arch.
The Catholic Encyclopedia, Volume 1: Aachen-Assize 1840-1916 1913
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These spans are dictated by the coursing of the arches: the aim is to achieve high quality masonry with the height of the arch, from the intrados at the spring point to the extrados at the key-stone, contained within the height of two courses of earth blocks.
Chapter 7 1995
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The drawing of the arches, on the elevation, also shows exactly how the thickness of the arches is included within a precise number of earth block courses, from the intrados at the springpoint to the extrados at the keystone.
Chapter 7 1995
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Pressures due to the widening of mines beyond the limits of safety must not be taken as a controversion of this statement, as all arches have limits of safety, more especially if the useless material below the theoretical intrados is only partly supported, or is allowed to be suspended from the natural arch.
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It was determined to attempt to stop these leaks by the application of a water-proof cement coating on the intrados of the arch.
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The four sides of the mold formed the extrados, the intrados, and the two ends of the block; the other two sides being left open.
Concrete Construction Methods and Costs Halbert Powers Gillette
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The reinforcement consists of arch and transverse bars; the arch bars are spaced 6 ins. on centers 2½ ins. from both extrados and intrados, and the transverse bars are spaced 24 ins. on centers inside both lines of arch bars.
Concrete Construction Methods and Costs Halbert Powers Gillette
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For instance, a soft clay arch of larger dimensions, under the condition described early in this paper, would undoubtedly stand if the rods supporting the intrados of the arch were keyed back to washers covering a sufficiently large area.
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The stability of such structures depends on the position of the line of pressure in relation to the extrados and intrados of the arch ring.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various
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The stability of such structures depends on the position of the line of pressure relatively to the intrados and extrados of the arch ring.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various
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