A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 227
direction of thejoint at k. 101. The flat arch is very common in architecture, butis not a strong construction. To be self-supporting it must 56 MASONRY. §3 be of such a size that a segmental arch of proper radiusand sufficient depth can be drawn on its face, as shown inFig. 56 by the dotted lines… … Fig. 56. project about an inch below the soffit of the arch, as indi-cated at b, in order to more tightly wedge together thevoussoirs. The strength of this arch may be increased bynotching one stone into the next, as shown at r, c\ ordowel-pins are sometimes used to bind the stone together. 102.…
Architecture · Building
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