Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 222
Fig. 196. Closed Z-bar generally used. Other forms of steel columns are formed from standard beams, Fig. 198, or from channels and angles. Fig. 199. As these columns will be required to support a heavy load in most cases, bases must be used LJ … Fig. 197. Open Z-bar Fig. 198. Steel Beam Fig. 199. Channel and Column. Column. Angle Column. which w^ill distribute the weight over a surface large enough to sus-tain the load. This may be done by the use of a cast-iron base,Fig. 200, or a base built up of steel, Fig. 201. The selection of a…
Architecture · Building
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