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Definition of Extrados
1. Noun. The exterior curve of an arch.
Definition of Extrados
1. n. The exterior curve of an arch; esp., the upper curved face of the whole body of voussoirs. See Intrados.
Definition of Extrados
1. Noun. The outer or upper curve of an arch. ¹
¹ Source: wiktionary.com
Definition of Extrados
1. the outer curve of an arch [n -ES]
Lexicographical Neighbors of Extrados
Literary usage of Extrados
Below you will find example usage of this term as found in modern and/or classical literature:
1. A Manual of Applied Mechanics by William John Macquorn Rankine (1898)
"If the extrados be a horizontal straight line, that line may itself be taken ...
87 A, let OX be the straight horizontal extrados, A the lowest pointof the ..."
2. The Civil Engineer's Pocket-book by John Cresson Trautwine (1919)
"... line is thus confined within the thickness of the arch ring. In general, the
actual resist« »nee line, Fig. 116, approaches the extrados at the crown, ..."
3. The Mechanical Principles of Engineering and Architecture by Henry Moseley, Dennis Hart Mahan (1875)
"... c = ratio of depth of load over crown to radius of intrados, so that 0 = 3(1+ a).
(Art. 838.) t = inclination of extrados to horizon. . = 0. = 7° 30'. ..."
4. Treatise on the Various Elements of Stability in the Well-proportioned Arch by Daniel Phineas Woodbury (1858)
"the radius of the extrados; d=ihe thickness of the arch proper at the key; K=——
r •p / #=the decimal; F=t\& thrust = ?-2X C; A=i^ addition to the thrust ..."
5. The Mathematical Principles of Mechanical Philosophy and Their Application by John Henry Pratt (1842)
"6), that the extrados is a horizontal line, for the road-way : and the intrados
is a semi- ellipse, which is a curve well adapted for convenience of ..."
6. A Treatise of Mechanics, Theoretical, Practical, and Descriptive by Olinthus Gregory (1815)
"vertex the extrados will assume a shape that um answer tolerably well for a ...
When the intrados U elliptic the extrados is of the same kind as for the ..."
7. Civil Engineer and Architect's Journal (1861)
"1) must meet extrados at the keystone and intrados ut springing. If the line of
pressure so ... It is shown by the full line, which meets extrados at the ..."
8. Glossary of Terms and Phrases by Henry Percy Smith (1883)
"(Arch.) An arch of which the extrados is straight, but the joints of which are
laid concentrically, as in a common arch. ..."
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