Architectural engineering. With special reference to high building construction, including many examples of Chicago office buildings (1895)
Freitag, Joseph Kendall · New York, J. Wiley & sons; [etc., etc.] · leaf 149
tes 26 X 4 angles 4 X 4 X |f, 4 angles 5 X 4x 7 _ total = 218 sq. in. The minimum Z section gener-ally used is 4 Zs 3 X A, I web 8 X TV = 12.4 sq. in.Metal less than T5¥ in thickness is never used in the bestpractice. The calculations of the strengths of wrought columns,in accordance with the… … Fig. 79. covers 16 X , aggregating an areaof 142 sq. in. and carrying a load of1,700,000 lbs. The largest Z column inthe new Y. M. C. A. Building, Chicago(see Fig. 79), was a two-story column24 3 long, composed as follows: 4 Zs6 X 3 X r> 2 plates 24 X J> 2plates 16 X |, 1 plate 14 X f 2 COL…
Building, Iron and steel
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