Architectural iron and steel, and its application in the construction of buildings ... specifications of ironwork ... tables selected expressly for this work ... by Wm. H. Birkmire (1905)
Birkmire, Wm. H. (William Harvey), 1860-1924 · New York, J. Wiley · leaf 83
olumnsand heavy weights are carried to the base stone on these bases.The plate is ribbed to distribute the load over a greater area onthe granite,—generally 1000 pounds per square inch safe loadon granite, 200 pounds per square inch on brickwork, 150pounds per square inch on concrete, 60 pounds per… … very useful in keeping the outer edge of plate straight in cool-ing, and will also give considerable strength to the plate. E isa large hole 2 inches diameter in centre of plate; G are smallholes 1 inch in diameter in bottom plate (for explanation see Grouting). C is the flange, 3 inches wide, as…
Building, Iron and steel
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