A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 219
s somewhat more liable to settle and crack. The amount of masonry in heavy piers, etc., can, withoutinjuring the stability of the structure, often be considerablydiminished by the use of arches, provided the stone and thefootings are capable of carrying the increased load. Thepressure on the soil… … Fig. 48. a, Fig. 48. The inner edge of the top of the abutmentis called the sprmging line; the stones resting on the § 8 MASONRY. 49 abutments, shown at b, are called skewbacks. The arch itselfconsists of wedge-shaped stones, called voussoirs, or ringstones. These are sometimes of varying sizes,…
Architecture · Building
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