Rational building; being a translation of the article "Construction" in the Dictionnaire raisonne ́de l'architecture française of Eugène Emmanuel Viollet-Le-Duc; (1895)
Viollet-le-Duc, Eugène-Emmanuel, 1814-1879 · New York, Macmillan · leaf 44
28 ROMAN AND ROMANESQUE VAULTS. line A B is horizontal and is the section of the longitudinal semi- cylinder. Let Figure 8b be the longitudinal section of a Romanesque groined vault in oblong form ; then the line A B is a succession of curves, or at least of broken lines uniting the points C and D,… … Fig. 8. the transverse arches, to the point of meeting, E, of the diagonal semicircles. They are obliged, necessarily, to preserve under the points C and D of the projecting arches, transverse arches which, as Fig. 86. we said before, were only permanent centres. From that time the diagonal groins…
Architecture · Building
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