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 443
4- lV.,b -f IV^c -I- W^(c -\-d) + W^x \^z:AD = \ W^a^ + W^b + W^U - W^x \ -^y,, or ] PV^b -|- W,c \-*-yx\ t€ << ;.- (( ««• it 398 MODERN FRAMED STRUCTURES. Maximum stress \n CF=\ Wyay + IV^b + IV^c + IV^ic-\-d) - W^x [ -i- 2,, or ] W^b + W^c + IV^ic + d) \ • BD = \w,{e-\-d-a)+ lV^{c + d-b)-\-… … E F Fig. 409. The maximum stresses given above for BD, DF, AC, and CE are the maximum compressive stressesonly. The two expressions for .4Z>anfi CF mean that these members may possibly receive their maximumstresses when the train is not on the trestle. This would be the case if W-Jx were greater…
