Cambria steel; a handbook of information relating to structural steel manufactured by the Cambria steel company, containing useful tables, rules, data, and formulÆ for the use of engineers, architects, builders and mechanics; (1919)
Cambria Steel Co, Thackray, George E. (George Edward), b. 1856 · Philadelphia · leaf 106
ROOF TRUSSES (FAN). n = Sn-H = 2cot a.P = Panel Load. Heavy lines in dia-grams indicate com-pression members. VII—Simple. … Length Stress= P z n = Member 3 247 2 cot30° 4 245 5 6 Ssec a-^6S sec a—6 Ssec a-^6 S sec a-n4 S(l — Kseca)Ssec aV9 seca—8Sseca-M l~=~12 4.513.54 3.40 3.752.250.931.50 4.963.96 3.95 4.292.571.001.71 5.004.00 4.00 4.332.601.001.73 5.594.55 4.70 5.003.001.082.00 6.505.38 5.73 6.003.601.182.40 6.73…
Building · Building, Iron and steel · Steel, Structural
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.