Architectural iron and steel : and its application in the construction of buildings, including beams and girders in floor construction, rolled iron struts, wrought and cast-iron columns, fire-proof columns, column connections, cast-iron lintels, roof trusses, stairways, elevator enclosures, ornamental iron, floor lights, and skylights, vault lights, doors, and shutters, window guards and grilles, etc., etc., with specification of ironwork and selected papers in relation to ironwork, from a revision of the present law before the legislature affecting public interests in the city of New York, in so far as the same regulates the construction of buildings in said city, tables selected expressly for this work, of the properties of beams, channels, tees and angles, used as beams, struts and columns, weights of iron and steel bars, capacity of tanks, areas of circles, weights of circular and square cast-iron columns, weights of substances, tables of squares, cubes, etc., weights of sheet copper, brass and iron, etc (1892)
Birkmire, Wm. H. (William Harvey), 1860-1924 · New York Wiley · leaf 31
r commercial purpose, from 150 pounds upwards;for warehouses, 200 to 250 pounds; and for heavy machinery,250 to 400 pounds. 27. Method of Determining Rolled Iron Beams by Dia-gram.—Having determined the load per square foot to besustained, by referring to the following diagram showing theproper… … Example i. At what distance between centres must 9-inchheavy beams be set when the span is 15 feet and the entireload is 200 pounds per square foot ? Ans. Follow the horizon-tal line from 15, on scale of distances between supports, towhere it intersects the curve for 9-inch heavy beams,…
Building, Iron and steel · Building · Ironwork
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