Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 289
erage for the weight per square foot of hollow brick or tile seg-mental arches, exclusive of the concrete and plastering: Arches 4 inches thick, 20 pounds per square foot ; safe span, 8 feet.Arches 6 inches thick, 30 pounds per square foot ; safe span, 16 feet.Arches 8 inches thick, 40 pounds per… … Fig. 185. The spans for different thicknesses should not exceed those givenabove, except that for spans of 20 feet about 7 feet of the centre por-tion may be built of 6-inch tile. The segmental form of arch is undoubtedly the strongest that canbe built, whether of brick, hollow tile or concrete. In…
Building
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