The theory and practice of modern framed structures : designed for the use of schools, and for engineers in professional practice (1897)
Johnson, J. B. (John Butler), 1850-1902, Bryan, C. W. (Charles Walter), 1863-1927, Turneaure, Frederick Eugene, 1886- · New York : J. Wiley & Sons · leaf 343
8,500 6.12 6.9 14 -|- 48,600 lOl 8,500 5-72 6.9 3—12 + 6.700 50 5 .78 9,000 ■75 2.16 5— 9 - 7,500 12,000 ■63 1.7 net 7 + 13,400 lOl 78 6,800 1.97 2.16 II — 15,000 12,000 1-25 1.9 net 13 — 22,500 12,000 1.88 1.9 net 2 — 52.500 12,000 4.38 4 X 3 Zs, 26 lbs. per yard 4 X 3 Zs, 26 3 X 3 Zs, 16 4.5 net… … No. « — 3. « — 4. « — 5. General Formulae. I 6.310 7.826 9.4247 + ^f/« + 44 X P 2 5-25 7.0 8.75 -In4 X Z 3 0.832 0.8945 0.9285 + + 4 X P 4 5-755 7-379 9-053 X / 5 0.75 1.0 1.25 n4 X 6 4-5 6.0 7-5 2 X P 7 1.664 1.789 1.857 _|_ 2« 4/«2 -f 4 X P 8 5.200 6.932 8.681 X P 9 0.75 I.O 1.25 n ~ 4 X / lO 3.0…
