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 53
used should be from 10 to 20feet to an inch), we proceed to draw thediagram for dead load, Fig. 67 {a). Eachjoint load ~ P^ — 5620 lbs., except the loadsat the end joints, each of which = \Pi — 2810lbs. These loads are laid off to form the loadline AA. The abutment reactions are ALand LA, each =… … ANALYSrS OF ROOF-TKUSSES. tension. The stresses in the members due to dead load are given in the second column of thefollowing table ; they were readily scaled off to the nearest hundred pounds. The stress inZ,^ is given as 18700 lbs., while by actual calculation it is 18733 lbs. The diagram for…