Ancient and modern engineering and the Isthmian canal (1903)
Burr, William H. (William Hubert), 1851-1934 · New York, J. Wiley & Sons; [etc., etc.] · leaf 142
m A, it would be found that the second axle of the first locomotive must be placed at the section Q, as shown in Fig. 2 5<i, which exhibits the lower-chord panel-points numbered from i to 7. The conventional unit load g will be taken in this case at 20,000 pounds. It is represented as AG and BF… … 25(2), laid off at a scale of 10,000 pounds per inch. K is imme- diately under panel-point 5 and L is immediately above panel- point 6, hence the broken line AKLB is the influence line desired. The vertical lines are then drawn from each train concentration in its proper position, all as shown,…
Civil engineering · Canals, Interoceanic
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
