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 102
of loads for a maximum moment at D. Q The average load on the left, — , must equal Q the average load on the bridge, — —^^^. Trywheel 4 at Z> by placing D under this wheel. The Q ordinate EB = G, and -^-^ is the slope of the line Q AF. The ordinate ID or KD — G,, and is equal to the slope of AI… … 86 Modern framed structures. Q equal to cuts the load or step which is above the point, the position is one giving a maxi-mum. This line is conveniently indicated by means of a thread. If there are no loads off thebridge to the left, the line starts from the zero line at the end of the bridge at A…