A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 163
e same manneras common brick arches. The bricks are bonded lengthwiseof the vault, with a header course every five or sevencourses. Vaults are sometimes built of a combination of brickworkand concrete, using light brick arches and backing up withconcrete. They are also built entirely of concrete,… … FIG. 122. which is shown in Figs. 123 and 123. A light center ofwood, shown at a, Fig. 122, was used, and on this, brickarches, as shown at b, were built. These brick arches were masonry; 153 called arjiiatujcs, and as they are really the support of thevault, only very light wooden centers were…
Architecture · Building
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