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 44
Fig. 45. polygon, and R and R are respectively equal to 2-3 and 3C?; BE is the line of action of R. APPLICATION OF THE LAV/S OF EQUILIBRIUM. 27 … Example 3. Find graphically the abutment reactions of the truss in Fig. 20, a case of parallel forces. Example 4. Given the roof-truss, Fig. 46, with loads . . . and wind-pressuresW, , IV,, JVj. Required the abutment reactions,R and R ■ first, when the horizontal thrust dueto wind is taken up by…
